{"id":9499,"date":"2025-08-04T13:41:13","date_gmt":"2025-08-04T05:41:13","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9499"},"modified":"2025-11-04T15:01:31","modified_gmt":"2025-11-04T07:01:31","slug":"scm415-alloy-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/scm415-alloy-steel\/","title":{"rendered":"SCM415 Alloy Steel | 15CrMo | 1.7262"},"content":{"rendered":"
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SCM415 ALLOY Steel | 15CrMo | 1.7262<\/mark><\/h1>\n\n\n\n

AOBO STEEL – Trusted Global Tool Steel Supplier<\/mark><\/h3>\n\n\n\n
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SCM415 Alloy Steel is a widely used chromium-molybdenum alloy steel specified under Japanese Industrial Standards (JIS G4053). It\u2019s engineered for mechanical structural components that demand a good combination of strength and toughness.<\/p>\n\n\n\n

1. Chemical Composition<\/h2>\n\n\n\n
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  • Carbon (C): 0.13% \u2013 0.18%<\/strong>:<\/li>\n\n\n\n
  • Silicon (Si): 0.15% \u2013 0.35%<\/strong><\/li>\n\n\n\n
  • Manganese (Mn): 0.60% \u2013 0.90%<\/strong><\/li>\n\n\n\n
  • Phosphorus (P): Max 0.030%<\/strong><\/li>\n\n\n\n
  • Sulfur (S): Max 0.030%<\/strong><\/li>\n\n\n\n
  • Chromium (Cr): 0.90% \u2013 1.20%<\/strong><\/li>\n\n\n\n
  • Molybdenum (Mo): 0.15% \u2013 0.25%<\/strong><\/li>\n\n\n\n
  • Copper (Cu): Max 0.30%<\/strong><\/li>\n<\/ul>\n\n\n\n

    2. Heat Treatment Process<\/h2>\n\n\n\n

    The transformation of SCM415 alloy steel into a high-performance material involves several critical heat treatment stages for SCM415 alloy steel<\/span>. While specific parameters are adaptable, the fundamental sequence is:<\/p>\n\n\n\n

    Stage<\/th>Process Overview<\/th>Key Objective(s) for SCM415 Steel<\/th>Typical Temperature Range (General Guidance)<\/th><\/tr>
    1. Preparation<\/strong><\/td>Normalizing or Annealing<\/td>Refine grain structure, homogenize material, or soften for machinability.<\/td>Varies based on prior processing.<\/td><\/tr>
    2. Carburizing<\/strong><\/td>Heating the SCM415 component in a controlled, carbon-rich atmosphere.<\/td>Diffuse carbon into the steel\u2019s surface to create a hard case, crucial for SCM415 carburizing<\/strong>.<\/td>900\u00b0C \u2013 925\u00b0C (1650\u00b0F \u2013 1700\u00b0F).<\/td><\/tr>
    3. Hardening<\/strong><\/td>Austenitizing the carburized part, followed by rapid cooling (quenching).<\/td>Transform case to hard martensite; harden core. Oil quenching is common for SCM415 hardening<\/strong>.<\/td>Austenitizing temperature varies.<\/td><\/tr>
    4. Tempering<\/strong><\/td>Reheating the quenched SCM415 part to a specific temperature below its critical point.<\/td>Relieve stress and improve case\/core toughness, vital for SCM415 tempering<\/strong>.<\/td>Varies based on desired final properties.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Detailed Steps in SCM415 Heat Treatment:<\/strong><\/p>\n\n\n\n

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    1. Preparation (Normalizing or Annealing):<\/strong>\n
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      • Normalizing:<\/strong> SCM415 steel is heated to an austenitizing temperature and air-cooled. This refines the grain structure and homogenizes the material.<\/li>\n\n\n\n
      • Annealing:<\/strong> Involves heating and slow cooling, primarily to soften SCM415 for machining or forming operations.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
      • Carburizing SCM415:<\/strong> The SCM415 component is heated (typically 900\u00b0C \u2013 925\u00b0C) in a carbon-rich atmosphere. Carbon diffuses into the surface, forming a case. The case depth depends on temperature and time at temperature.<\/li>\n\n\n\n
      • Hardening SCM415 (Austenitizing and Quenching):<\/strong> After carburizing (sometimes with an intermediate cooling\/reheating step), SCM415 is heated to its austenitizing temperature and then rapidly cooled (quenched). Oil quenching is a common practice for SCM415, effectively transforming the high-carbon surface to hard martensite and hardening the core, while minimizing distortion and cracking risk compared to water quenching.<\/li>\n\n\n\n
      • Tempering SCM415:<\/strong> Following quenching, SCM415 components are tempered by reheating to a specific temperature below the lower critical temperature (A1). This step is crucial for improving the toughness of both the hard case and core, relieving stresses from quenching, and achieving the desired balance of mechanical properties.<\/li>\n<\/ol>\n\n\n\n
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        \"SCM415
        SCM415 steel<\/figcaption><\/figure>\n<\/div>\n\n\n\n
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        Are you looking for SCM415 Steel?<\/strong> Contact us now by filling out the following contact form!<\/strong><\/p>\n\n\n\n

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