{"id":15614,"date":"2026-05-22T16:17:03","date_gmt":"2026-05-22T08:17:03","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15614"},"modified":"2026-05-22T16:17:04","modified_gmt":"2026-05-22T08:17:04","slug":"s-series-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/s-series-tool-steel\/","title":{"rendered":"S Series Tool Steel | Shock-Resisting Tool Steel Guide"},"content":{"rendered":"<section class=\"aobo-s-series-page\">\n\n  <style>\n    .aobo-s-series-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-dark: #073b8e;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-blue-line: #c9dcff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-white: #ffffff;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      font-family: Arial, Helvetica, sans-serif;\n      color: var(--aobo-text);\n      line-height: 1.7;\n      background: transparent;\n      padding: 0;\n      box-sizing: border-box;\n    }\n\n    .aobo-s-series-page * {\n      box-sizing: border-box;\n    }\n\n    .aobo-wrap {\n      max-width: 1180px;\n      margin: 0 auto;\n      padding: 0;\n    }\n\n    .aobo-hero {\n      background: linear-gradient(135deg, #ffffff 0%, #f7fbff 56%, #eaf2ff 100%);\n      border: 1px solid var(--aobo-border);\n      border-radius: 28px;\n      padding: 42px 38px;\n      margin-bottom: 24px;\n      box-shadow: var(--aobo-shadow);\n      overflow: hidden;\n      position: relative;\n    }\n\n    .aobo-hero::after {\n      content: \"\";\n      position: absolute;\n      right: -90px;\n      top: -90px;\n      width: 260px;\n      height: 260px;\n      border-radius: 50%;\n      background: rgba(12, 86, 208, 0.08);\n    }\n\n    .aobo-eyebrow {\n      display: inline-block;\n      margin-bottom: 12px;\n      padding: 6px 12px;\n      border-radius: 999px;\n      background: #fff7ed;\n      border: 1px solid #fde3bd;\n      color: var(--aobo-orange);\n      font-size: 14px;\n      font-weight: 700;\n      position: relative;\n      z-index: 2;\n    }\n\n    .aobo-hero h1 {\n      margin: 0 0 16px;\n      color: #082d6f;\n      font-size: clamp(34px, 4vw, 54px);\n      line-height: 1.05;\n      letter-spacing: -0.03em;\n      position: relative;\n      z-index: 2;\n    }\n\n    .aobo-hero p {\n      max-width: 930px;\n      margin: 0;\n      font-size: 17px;\n      color: #314158;\n      position: relative;\n      z-index: 2;\n    }\n\n    .aobo-product-strip {\n      margin: 24px 0;\n      padding: 30px 34px 34px;\n      border-radius: 26px;\n      background: var(--aobo-white);\n      border: 1px solid var(--aobo-border);\n      box-shadow: 0 12px 32px rgba(12, 86, 208, 0.07);\n    }\n\n    .aobo-product-strip h2 {\n      margin: 0 0 10px;\n      color: #082d6f;\n      font-size: clamp(26px, 3vw, 36px);\n      line-height: 1.15;\n      letter-spacing: -0.02em;\n    }\n\n    .aobo-strip-intro {\n      margin: 0 0 22px;\n      max-width: 820px;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-product-grid {\n      display: grid;\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n      gap: 16px;\n    }\n\n    .aobo-product-card {\n      background: #ffffff;\n      border: 1px solid var(--aobo-border);\n      border-radius: 20px;\n      padding: 20px;\n      display: flex;\n      flex-direction: column;\n      justify-content: space-between;\n      transition: all 0.2s ease;\n    }\n\n    .aobo-product-card:hover {\n      transform: translateY(-3px);\n      box-shadow: 0 14px 30px rgba(12, 86, 208, 0.12);\n      border-color: rgba(12, 86, 208, 0.35);\n    }\n\n    .aobo-product-card h3 {\n      margin: 0 0 8px;\n      color: #082d6f;\n      font-size: 22px;\n      line-height: 1.3;\n    }\n\n    .aobo-card-note {\n      margin: 0 0 18px;\n      color: var(--aobo-muted);\n      font-size: 15.5px;\n    }\n\n    .aobo-buttons {\n      display: flex;\n      gap: 10px;\n      flex-wrap: nowrap;\n      margin-top: auto;\n    }\n\n    .aobo-btn {\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      text-align: center;\n      min-height: 42px;\n      padding: 10px 14px;\n      border-radius: 999px;\n      text-decoration: none;\n      font-weight: 700;\n      font-size: 14px;\n      line-height: 1.2;\n      transition: all 0.2s ease;\n      cursor: pointer;\n    }\n\n    .aobo-btn-detail {\n      flex: 1 1 0;\n      color: var(--aobo-blue-dark) !important;\n      background: #ffffff;\n      border: 1px solid var(--aobo-blue-line);\n    }\n\n    .aobo-btn-inquiry {\n      flex: 1 1 0;\n      min-width: 118px;\n      color: #ffffff !important;\n      background: var(--aobo-blue);\n      border: 1px solid var(--aobo-blue);\n    }\n\n    .aobo-btn-detail:hover {\n      background: var(--aobo-blue-soft);\n      border-color: var(--aobo-blue-line);\n      color: var(--aobo-blue-dark) !important;\n    }\n\n    .aobo-btn-inquiry:hover {\n      background: var(--aobo-blue-dark);\n      border-color: var(--aobo-blue-dark);\n      color: #ffffff !important;\n    }\n\n    .aobo-btn:hover {\n      transform: translateY(-1px);\n    }\n\n    .aobo-article {\n      max-width: 940px;\n      margin: 0 auto;\n    }\n\n    .aobo-article h2 {\n      margin: 44px 0 16px;\n      color: #082d6f;\n      font-size: 30px;\n      line-height: 1.25;\n    }\n\n    .aobo-article p {\n      margin: 0 0 18px;\n      font-size: 17px;\n      color: var(--aobo-text);\n    }\n\n    .aobo-table-wrap {\n      overflow-x: auto;\n      margin: 22px 0 28px;\n      border-radius: 18px;\n      border: 1px solid var(--aobo-border);\n      box-shadow: 0 12px 32px rgba(12, 86, 208, 0.07);\n    }\n\n    .aobo-table {\n      width: 100%;\n      border-collapse: collapse;\n      background: #ffffff;\n      min-width: 760px;\n    }\n\n    .aobo-table th {\n      background: var(--aobo-blue-soft);\n      color: #082d6f;\n      text-align: left;\n      padding: 14px 16px;\n      font-size: 15px;\n    }\n\n    .aobo-table td {\n      padding: 14px 16px;\n      border-bottom: 1px solid #e8eef8;\n      vertical-align: top;\n      font-size: 15px;\n    }\n\n    .aobo-table tr:last-child td {\n      border-bottom: none;\n    }\n\n    .aobo-note-box {\n      margin: 34px 0;\n      padding: 22px 24px;\n      border: 1px solid var(--aobo-border);\n      border-left: 5px solid var(--aobo-orange);\n      border-radius: 16px;\n      background: #fbfdff;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-note-box p {\n      margin: 0;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-final-cta {\n      margin-top: 24px;\n      padding: 34px;\n      border-radius: 28px;\n      background: linear-gradient(135deg, #073b91 0%, #0c56d0 100%);\n      color: #ffffff;\n      box-shadow: 0 18px 45px rgba(12, 86, 208, 0.20);\n      display: flex;\n      align-items: center;\n      justify-content: space-between;\n      gap: 20px;\n      flex-wrap: wrap;\n    }\n\n    .aobo-final-cta h2 {\n      margin: 0 0 12px;\n      color: #ffffff;\n      font-size: 26px;\n    }\n\n    .aobo-final-cta p {\n      margin: 0;\n      color: rgba(255, 255, 255, 0.92);\n      max-width: 740px;\n    }\n\n    .aobo-final-cta a {\n      flex: 0 0 auto;\n      background: #ffffff;\n      border-color: #ffffff;\n      color: var(--aobo-blue) !important;\n    }\n\n    @media (max-width: 980px) {\n      .aobo-product-grid {\n        grid-template-columns: repeat(2, minmax(0, 1fr));\n      }\n    }\n\n    @media (max-width: 620px) {\n      .aobo-wrap {\n        padding: 0;\n      }\n\n      .aobo-hero {\n        padding: 30px 22px;\n      }\n\n      .aobo-product-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .aobo-product-strip {\n        padding: 20px;\n      }\n\n      .aobo-buttons {\n        flex-direction: column;\n      }\n\n      .aobo-article h2 {\n        font-size: 25px;\n      }\n    }\n  <\/style>\n\n  <div class=\"aobo-wrap\">\n\n    <header class=\"aobo-hero\">\n      <span class=\"aobo-eyebrow\">Shock-Resisting Tool Steel Guide<\/span>\n      <h1>S Series Tool Steel<\/h1>\n      <p>\n        S series tool steel is the shock-resisting group in the AISI tool steel classification system. The \u201cS\u201d designation refers to shock resistance, which makes these steels suitable for tools exposed to repeated impact, sudden load, chipping, cracking, or breakage.\n      <\/p>\n    <\/header>\n\n    <section class=\"aobo-product-strip\" aria-label=\"Available S series tool steels from Aobo Steel\">\n      <h2>S Series Tool Steels Available from Aobo Steel<\/h2>\n      <p class=\"aobo-strip-intro\">\n        Aobo Steel supplies S series shock-resisting tool steel in bulk round bar and flat bar for industrial tooling buyers, distributors, stockists, and machining companies.\n      <\/p>\n\n      <div class=\"aobo-product-grid\">\n        <article class=\"aobo-product-card\">\n          <h3>S1 | 1.2550<\/h3>\n          <p class=\"aobo-card-note\">Shock-resisting tool steel for applications that may need impact resistance, moderate hot hardness, or surface hardening options.<\/p>\n          <div class=\"aobo-buttons\">\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/es\/s1-tool-steel\/\">Ver detalles<\/a>\n            <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"aobo-product-card\">\n          <h3>S7 | 1.2355<\/h3>\n          <p class=\"aobo-card-note\">Widely used shock-resisting tool steel with air-hardening behavior, good hardenability, and better dimensional stability.<\/p>\n          <div class=\"aobo-buttons\">\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/es\/s7-tool-steel\/\">Ver detalles<\/a>\n            <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n          <\/div>\n        <\/article>\n      <\/div>\n    <\/section>\n\n    <main class=\"aobo-article\">\n\n      <p>\n        S series tool steel is the shock-resisting group in the AISI tool steel classification system. The \u201cS\u201d designation refers to shock resistance, which makes these steels suitable for tools exposed to repeated impact, sudden load, chipping, cracking, or breakage.\n      <\/p>\n      <p>\n        Unlike high-carbon cold-work tool steels, S-series steels are not primarily designed for maximum abrasive wear resistance. They usually use a lower-carbon range and a tougher, heat-treated matrix, allowing the tool to absorb impact energy rather than fail suddenly.\n      <\/p>\n      <p>\n        Most S series steels contain combinations of silicon, manganese, chromium, molybdenum, tungsten, or vanadium. These alloying elements control hardenability, tempering response, strength, toughness, and heat resistance. Because the alloy design differs by grade, S1, S2, S5, and S7 can behave very differently during heat treatment and service.\n      <\/p>\n      <p>\n        Among common S series grades, S7 is widely used because it combines high shock resistance, air-hardening behavior, and better dimensional stability. S5 is often used for heavy impact tools. S1 can be selected when shock resistance and moderate hot hardness are needed. S2 is more suitable for specific tools that need a hard case and tough core.\n      <\/p>\n      <p>\n        Typical applications include chisels, punches, shear blades, rivet tools, concrete breakers, forming tools, and selected moderate hot-work tooling.\n      <\/p>\n\n      <h2>Why S Series Tool Steel Is Used for Shock Resistance<\/h2>\n      <p>\n        The shock resistance of the S series tool steel comes from its chemistry and heat-treated microstructure.\n      <\/p>\n      <p>\n        The carbon content is commonly around 0.40% to 0.65%. This range allows the steel to develop high strength after hardening and tempering while limiting the formation of large, brittle carbides. Large carbides improve abrasion resistance, but they can also become crack initiation points under impact loading.\n      <\/p>\n      <p>\n        Alloying elements then adjust the steel\u2019s response. Silicon improves tempering resistance. Chromium, molybdenum, manganese, tungsten, and vanadium can improve hardenability, strength, hot hardness, or wear resistance depending on the grade.\n      <\/p>\n      <p>\n        After proper heat treatment, S series steels form a tough martensitic structure with fine carbides. This structure is better suited to absorbing repeated blows than a highly carbide-rich structure. That is the metallurgical reason S-series steels are used for impact-loaded tooling.\n      <\/p>\n\n      <h2>Key Properties of S Series Tool Steel<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Propiedad<\/th>\n              <th>S Series Tool Steel Characteristics<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Dureza<\/td><td>High to very high. This is the defining property of the group.<\/td><\/tr>\n            <tr><td>Dureza<\/td><td>Selected according to tool load, grade, and heat treatment condition.<\/td><\/tr>\n            <tr><td>Resistencia al desgaste<\/td><td>Low to medium compared with high-carbon cold work tool steels.<\/td><\/tr>\n            <tr><td>Templabilidad<\/td><td>Varies by grade. S2 is shallow-hardening; S7 has much deeper hardenability.<\/td><\/tr>\n            <tr><td>Estabilidad dimensional<\/td><td>Strongly affected by the quenching method. Air-hardening grades are usually more stable.<\/td><\/tr>\n            <tr><td>Resistencia al calor<\/td><td>Some grades can work in moderate hot-work conditions up to about 1000\u00b0F to 1050\u00b0F, or 540\u00b0C to 565\u00b0C.<\/td><\/tr>\n            <tr><td>Maquinabilidad<\/td><td>Generally moderate in annealed condition.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>S Series Tool Steel vs D Series Tool Steel<\/h2>\n      <p>\n        The main difference in the selection is the failure mode.\n      <\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Comparison Item<\/th>\n              <th>S Series Tool Steel<\/th>\n              <th>D Series Tool Steel<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>tipo de acero para herramientas<\/td><td>Acero para herramientas resistente a los golpes<\/td><td>Acero para herramientas de trabajo en fr\u00edo con alto contenido de carbono y cromo<\/td><\/tr>\n            <tr><td>Prop\u00f3sito principal<\/td><td>Toughness under impact<\/td><td>Wear resistance and edge retention<\/td><\/tr>\n            <tr><td>Carbon direction<\/td><td>Lower carbon than D series<\/td><td>Alto contenido de carbono<\/td><\/tr>\n            <tr><td>Estructura de carburo<\/td><td>Fewer coarse carbides<\/td><td>High volume of hard chromium-rich carbides<\/td><\/tr>\n            <tr><td>Dureza<\/td><td>M\u00e1s alto<\/td><td>M\u00e1s bajo<\/td><\/tr>\n            <tr><td>Resistencia al desgaste abrasivo<\/td><td>M\u00e1s bajo<\/td><td>M\u00e1s alto<\/td><\/tr>\n            <tr><td>Heat treatment behavior<\/td><td>Depends strongly on grade: water, oil, or air hardening<\/td><td>Many grades are air-hardening, except grades such as D3<\/td><\/tr>\n            <tr><td>Uso t\u00edpico<\/td><td>Chisels, punches, shear blades, impact tools<\/td><td>Blanking dies, slitting knives, forming dies, wear tooling<\/td><\/tr>\n            <tr><td>Mejor opci\u00f3n cuando<\/td><td>The tool breaks, chips, or cracks<\/td><td>The tool mainly wears out<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Heat Treatment of S Series Tool Steel<\/h2>\n      <p>\n        Heat treatment of S series tool steel must control four risks: surface decarburization, graphitization, quench cracking, and excessive brittleness.\n      <\/p>\n      <p>\n        Many S series steels contain silicon. During heating, a poor furnace atmosphere can cause surface decarburization. A decarburized surface loses carbon and becomes weaker than the core. This can reduce fatigue strength, edge strength, and service life.\n      <\/p>\n      <p>\n        High-silicon grades can also undergo graphitization if overheated or held at high temperatures for too long. This damages the steel structure and reduces service reliability. Controlled-atmosphere, vacuum, or neutral salt-bath heating is preferred when surface quality is important.\n      <\/p>\n      <p>\n        The usual heat treatment route is shown below.\n      <\/p>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Etapa de tratamiento t\u00e9rmico<\/th>\n              <th>Prop\u00f3sito<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Recocido<\/td><td>Produces a soft, uniform structure for machining.<\/td><\/tr>\n            <tr><td>Precalentamiento<\/td><td>Reduces thermal shock before austenitizing.<\/td><\/tr>\n            <tr><td>Austenitizaci\u00f3n<\/td><td>Prepares the steel for hardening.<\/td><\/tr>\n            <tr><td>Enfriamiento<\/td><td>Hardens the steel according to grade and section size.<\/td><\/tr>\n            <tr><td>Templado<\/td><td>Reduces brittleness and sets the final hardness-toughness balance.<\/td><\/tr>\n            <tr><td>Doble templado<\/td><td>Often used for grades such as S5 and S7 to improve stability and toughness.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <p>\n        The quenching method is one of the biggest differences between S grades.\n      <\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>M\u00e9todo de enfriamiento<\/th>\n              <th>Typical Meaning<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Water quenching<\/td><td>Fast cooling, high hardening effect, higher risk of cracking and distortion.<\/td><\/tr>\n            <tr><td>enfriamiento con aceite<\/td><td>Safer than water quenching and common for medium-hardenability grades.<\/td><\/tr>\n            <tr><td>endurecimiento por aire<\/td><td>Improved dimensional stability and reduced risk of quench cracking in suitable section sizes.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <div class=\"aobo-note-box\">\n        <p>\n          The following ranges should be treated as typical reference values, not as a replacement for the steelmaker\u2019s heat treatment datasheet. Final practice should consider tool size, furnace type, surface protection, section thickness, and required working hardness.\n        <\/p>\n      <\/div>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Grado<\/th>\n              <th>Typical Preheating<\/th>\n              <th>Austenitizing Range<\/th>\n              <th>M\u00e9todo de enfriamiento<\/th>\n              <th>Typical Tempering \/ Hardness Direction<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>S1<\/td>\n              <td>~1200\u00b0F \/ 650\u00b0C<\/td>\n              <td>1650\u20131750\u00b0F \/ 900\u2013955\u00b0C<\/td>\n              <td>enfriamiento con aceite<\/td>\n              <td>Temper at 400\u20131200\u00b0F \/ 205\u2013650\u00b0C. Working hardness may range from about 58 HRC to 40 HRC depending on tempering temperature.<\/td>\n            <\/tr>\n            <tr>\n              <td>S5<\/td>\n              <td>~1400\u00b0F \/ 760\u00b0C<\/td>\n              <td>1600\u20131695\u00b0F \/ 870\u2013925\u00b0C<\/td>\n              <td>enfriamiento con aceite<\/td>\n              <td>Double tempering is recommended. About 40\u201344 HRC is typical for maximum shock applications.<\/td>\n            <\/tr>\n            <tr>\n              <td>S7<\/td>\n              <td>1200\u20131300\u00b0F \/ 650\u2013705\u00b0C<\/td>\n              <td>1695\u20131750\u00b0F \/ 925\u2013955\u00b0C<\/td>\n              <td>Air quench in suitable sections<\/td>\n              <td>Double tempering at 900\u2013960\u00b0F \/ 482\u2013516\u00b0C is commonly used. Final hardness is about 58\u201360 HRC in this range.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <p>\n        S7 is commonly treated as an air-hardening shock-resisting tool steel. It is often preferred for tools that need better dimensional stability or have more complex shapes. S5 is commonly oil-quenched. S2 usually has a higher heat treatment risk because it is associated with faster quenching.\n      <\/p>\n      <p>\n        Tempering should follow quenching promptly. Shock-resisting tool steels should not remain in the as-quenched condition. Across S series grades and applications, final working hardness often falls within a broad range of about 40-60 HRC.\n      <\/p>\n\n      <h2>Applications of S Series Tool Steel<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>\u00c1rea de aplicaci\u00f3n<\/th>\n              <th>Herramientas t\u00edpicas<\/th>\n              <th>Riesgo principal de fallo<\/th>\n              <th>Suitable S Series Direction<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Battering and percussion tools<\/td><td>Hand chisels, pneumatic chisels, rivet sets, concrete breakers<\/td><td>Impact fracture, mushrooming, breakage<\/td><td>S5, S7, S2<\/td><\/tr>\n            <tr><td>Heavy-duty punching<\/td><td>Cold punches, header punches, knock-out pins<\/td><td>Punch cracking, edge chipping, sudden load<\/td><td>S7, S5<\/td><\/tr>\n            <tr><td>Shearing tools<\/td><td>Shear blades, cold cutters, pipe cutters<\/td><td>Edge chipping and impact load<\/td><td>S7, S5<\/td><\/tr>\n            <tr><td>Forming and pressing tools<\/td><td>Bending dies, coining dies, forming dies<\/td><td>Local stress, cracking, repeated load<\/td><td>S7, S5<\/td><\/tr>\n            <tr><td>Moderate hot work<\/td><td>Hot punches, hot shearing blades, forging inserts<\/td><td>Softening, cracking, thermal-mechanical stress<\/td><td>S1, S7<\/td><\/tr>\n            <tr><td>Plastic molding and tooling support<\/td><td>Mold components, master hobs, tooling inserts<\/td><td>Strength, polish, and dimensional stability<\/td><td>S7<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>How to Choose S Series Tool Steel<\/h2>\n      <p>\n        After deciding that an S series steel is suitable, the next step is to choose the right grade direction. The choice depends on dimensional stability, quenching method, section size, working temperature, and required surface performance.\n      <\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Necesidad de selecci\u00f3n<\/th>\n              <th>Better Grade Direction<\/th>\n              <th>Raz\u00f3n<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\u00d3ptima estabilidad dimensional<\/td><td>S7<\/td><td>Air-hardening behavior reduces distortion risk in suitable sections.<\/td><\/tr>\n            <tr><td>Complex tool shape or sharp corners<\/td><td>S7<\/td><td>Safer hardening than water-quenched grades.<\/td><\/tr>\n            <tr><td>General heavy impact tooling<\/td><td>S5 or S7<\/td><td>Both are used for shock-loaded tools; S7 offers stronger hardening safety.<\/td><\/tr>\n            <tr><td>Oil-hardening impact tools<\/td><td>S5<\/td><td>Suitable where oil quenching and economy are important.<\/td><\/tr>\n            <tr><td>Moderate hot-work shock applications<\/td><td>S1 or S7<\/td><td>These grades offer better resistance to softening at elevated temperatures.<\/td><\/tr>\n            <tr><td>Better surface wear with tough core<\/td><td>S1<\/td><td>S1 can be considered where carburizing or surface hardening is useful.<\/td><\/tr>\n            <tr><td>Simple tools needing a hard case and a tough core<\/td><td>S2<\/td><td>More suitable for simple shapes, as faster quenching increases heat-treatment risk.<\/td><\/tr>\n            <tr><td>Large cross-section tools<\/td><td>S7 or deep-hardening grades<\/td><td>Hardenability must be sufficient through the section.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <p>\n        For most general shock-resisting tooling, S7 is often the first grade to evaluate because it combines toughness, hardenability, and dimensional stability. S5 remains useful for heavy-duty impact tools where oil hardening is acceptable. S1 is suitable for applications that require shock resistance, with moderate hot hardness or surface hardening options. S2 should be used more carefully because its quenching requirements limit the complexity of tool designs.\n      <\/p>\n\n    <\/main>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Need Bulk S Series Tool Steel Supply?<\/h2>\n        <p>\n          Aobo Steel supplies S1, S7 and other shock-resisting tool steel round bar and flat bar for bulk industrial orders. Send your required grade, size, quantity, and application.\n        <\/p>\n      <\/div>\n      <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n    <\/section>\n\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Shock-Resisting Tool Steel Guide S Series Tool Steel S series tool steel is the shock-resisting group in the AISI tool steel classification system. The \u201cS\u201d designation refers to shock resistance, which makes these steels suitable for tools exposed to repeated impact, sudden load, chipping, cracking, or breakage. S Series Tool Steels Available from Aobo Steel [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15615,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-15614","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>S Series Tool Steel | Shock-Resisting Tool Steel Guide - AoboSteel<\/title>\n<meta name=\"description\" content=\"Learn what S series tool steel is, including shock resistance, key properties, heat treatment ranges, applications, and how to choose S1, S5, S7 and other grades.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/es\/s-series-tool-steel\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S Series Tool Steel | Shock-Resisting Tool Steel Guide\" \/>\n<meta property=\"og:description\" content=\"Learn what S series tool steel is, including shock resistance, key properties, heat treatment ranges, applications, and how to choose S1, S5, S7 and other grades.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/es\/s-series-tool-steel\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-22T08:17:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"7 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"S Series Tool Steel | Shock-Resisting Tool Steel Guide\",\"datePublished\":\"2026-05-22T08:17:03+00:00\",\"dateModified\":\"2026-05-22T08:17:04+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/\"},\"wordCount\":1511,\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/S-tool-steels.avif\",\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/\",\"name\":\"S Series Tool Steel | Shock-Resisting Tool Steel Guide - AoboSteel\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/S-tool-steels.avif\",\"datePublished\":\"2026-05-22T08:17:03+00:00\",\"dateModified\":\"2026-05-22T08:17:04+00:00\",\"description\":\"Learn what S series tool steel is, including shock resistance, key properties, heat treatment ranges, applications, and how to choose S1, S5, S7 and other grades.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/#primaryimage\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/S-tool-steels.avif\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/S-tool-steels.avif\",\"width\":1254,\"height\":1254},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s-series-tool-steel\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/aobosteel.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"S Series Tool Steel | Shock-Resisting Tool Steel Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"name\":\"AoboSteel\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/aobosteel.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\",\"name\":\"AoboSteel\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/cropped-aobo-steel-1.avif\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/cropped-aobo-steel-1.avif\",\"width\":1052,\"height\":592,\"caption\":\"AoboSteel\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61565368220197\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/aobosteel-evan\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\",\"name\":\"Evan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"caption\":\"Evan\"},\"sameAs\":[\"http:\\\/\\\/www.aobosteel.com\",\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61565368220197\",\"https:\\\/\\\/www.instagram.com\\\/aobosteel\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/aobosteel-evan\\\/\",\"https:\\\/\\\/x.com\\\/AobosteelEvan\",\"https:\\\/\\\/www.youtube.com\\\/@aobosteel\"],\"url\":\"https:\\\/\\\/aobosteel.com\\\/es\\\/blog\\\/author\\\/admin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"S Series Tool Steel | Shock-Resisting Tool Steel Guide - AoboSteel","description":"Learn what S series tool steel is, including shock resistance, key properties, heat treatment ranges, applications, and how to choose S1, S5, S7 and other grades.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/aobosteel.com\/es\/s-series-tool-steel\/","og_locale":"es_MX","og_type":"article","og_title":"S Series Tool Steel | Shock-Resisting Tool Steel Guide","og_description":"Learn what S series tool steel is, including shock resistance, key properties, heat treatment ranges, applications, and how to choose S1, S5, S7 and other grades.","og_url":"https:\/\/aobosteel.com\/es\/s-series-tool-steel\/","og_site_name":"AoboSteel","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61565368220197","article_modified_time":"2026-05-22T08:17:04+00:00","og_image":[{"width":1254,"height":1254,"url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Tiempo de lectura":"7 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/#article","isPartOf":{"@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/"},"author":{"name":"Evan","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7"},"headline":"S Series Tool Steel | Shock-Resisting Tool Steel Guide","datePublished":"2026-05-22T08:17:03+00:00","dateModified":"2026-05-22T08:17:04+00:00","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/"},"wordCount":1511,"publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"image":{"@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif","inLanguage":"es"},{"@type":"WebPage","@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/","url":"https:\/\/aobosteel.com\/s-series-tool-steel\/","name":"S Series Tool Steel | Shock-Resisting Tool Steel Guide - AoboSteel","isPartOf":{"@id":"https:\/\/aobosteel.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/#primaryimage"},"image":{"@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif","datePublished":"2026-05-22T08:17:03+00:00","dateModified":"2026-05-22T08:17:04+00:00","description":"Learn what S series tool steel is, including shock resistance, key properties, heat treatment ranges, applications, and how to choose S1, S5, S7 and other grades.","breadcrumb":{"@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/aobosteel.com\/s-series-tool-steel\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/#primaryimage","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif","width":1254,"height":1254},{"@type":"BreadcrumbList","@id":"https:\/\/aobosteel.com\/s-series-tool-steel\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/aobosteel.com\/"},{"@type":"ListItem","position":2,"name":"S Series Tool Steel | Shock-Resisting Tool Steel Guide"}]},{"@type":"WebSite","@id":"https:\/\/aobosteel.com\/#website","url":"https:\/\/aobosteel.com\/","name":"AoboSteel","description":"","publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/aobosteel.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/aobosteel.com\/#organization","name":"AoboSteel","url":"https:\/\/aobosteel.com\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","width":1052,"height":592,"caption":"AoboSteel"},"image":{"@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/"]},{"@type":"Person","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7","name":"Evan","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","caption":"Evan"},"sameAs":["http:\/\/www.aobosteel.com","https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.instagram.com\/aobosteel\/","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/","https:\/\/x.com\/AobosteelEvan","https:\/\/www.youtube.com\/@aobosteel"],"url":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"Shock-Resisting Tool Steel Guide S Series Tool Steel S series tool steel is the shock-resisting group in the AISI tool steel classification system. The \u201cS\u201d designation refers to shock resistance, which makes these steels suitable for tools exposed to repeated impact, sudden load, chipping, cracking, or breakage. S Series Tool Steels Available from Aobo Steel&hellip;","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S-tool-steels-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Shock-Resisting Tool Steel Guide S Series Tool Steel S series tool steel is the shock-resisting group in the AISI tool steel classification system. The \u201cS\u201d designation refers to shock resistance, which makes these steels suitable for tools exposed to repeated impact, sudden load, chipping, cracking, or breakage. S Series Tool Steels Available from Aobo Steel&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/15614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/comments?post=15614"}],"version-history":[{"count":1,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/15614\/revisions"}],"predecessor-version":[{"id":15616,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/15614\/revisions\/15616"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media\/15615"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media?parent=15614"}],"curies":[{"name":"gracias","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}