{"id":19493,"date":"2026-09-22T00:41:20","date_gmt":"2026-09-21T16:41:20","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=19493"},"modified":"2026-10-15T23:48:59","modified_gmt":"2026-10-15T15:48:59","slug":"microalloyed-strip-steel-compositions","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/microalloyed-strip-steel-compositions\/","title":{"rendered":"Composiciones y l\u00edmite el\u00e1stico de aceros de banda microaleados"},"content":{"rendered":"

Composiciones y l\u00edmite el\u00e1stico de aceros de banda microaleados<\/h1>\n\n\n\n

Composiciones en porcentaje en peso, condiciones industriales de laminaci\u00f3n y l\u00edmite el\u00e1stico tras el bobinado para cinco aceros microaleados comerciales de banda en caliente, desde una base C-Mn con bajo niobio hasta grados NbTiV que alcanzan 599 a 638 MPa. Las tablas son un resumen de referencia de un cap\u00edtulo publicado y no una especificaci\u00f3n de Aobo Steel. La \u00faltima tabla divide el l\u00edmite el\u00e1stico medido en la parte explicada por el tama\u00f1o de grano y la soluci\u00f3n s\u00f3lida y la parte aportada por dislocaciones y precipitaci\u00f3n de carbonitruros<\/a>.<\/p>\n\n\n\n

Composiciones de los cinco aceros<\/p>\n\n\n\n

Todos los valores son porcentaje en peso, tal como se imprimen. Un guion significa que la fuente no indica adici\u00f3n de ese elemento, y n.d. significa no determinado. La \u00faltima columna es la fracci\u00f3n volum\u00e9trica total m\u00e1xima disponible para la precipitaci\u00f3n de carbonitruros.<\/p>\n\n\n\n

Acero<\/th>C<\/th>Mn<\/th>Si<\/th>P<\/th>S<\/th>Al<\/th>Nb<\/th>Ti<\/th>V<\/th>N<\/th>Vf
m\u00e1ximo<\/th><\/tr><\/thead>
Nb<\/td>0.07<\/td>0.68<\/td>0.01<\/td>0.012<\/td>0.009<\/td>0.04<\/td>0.04<\/td>\u2013<\/td>\u2013<\/td>0.009<\/td>0.00045<\/td><\/tr>
NbTi-1<\/td>0.05<\/td>0.55<\/td>0.02<\/td>n.d.<\/td>n.d.<\/td>0.02<\/td>0.02<\/td>0.06<\/td>\u2013<\/td>0.006<\/td>0.00131<\/td><\/tr>
NbTi-2<\/td>0.12<\/td>1.21<\/td>0.33<\/td>0.023<\/td>0.008<\/td>0.048<\/td>0.057<\/td>0.059<\/td>\u2013<\/td>0.008<\/td>0.00166<\/td><\/tr>
NbTi-3<\/td>0.11<\/td>1.54<\/td>0.28<\/td>0.026<\/td>0.007<\/td>0.01<\/td>0.04<\/td>0.11<\/td>\u2013<\/td>n.d.<\/td>0.00261<\/td><\/tr>
NbTiV<\/td>0.14<\/td>1.38<\/td>0.25<\/td>0.018<\/td>0.007<\/td>0.07<\/td>0.04<\/td>0.04<\/td>0.03<\/td>0.008<\/td>0.00174<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Fuente, Alloy Steel, Properties and Use (E. Morales), cap\u00edtulo 3, Comments About the Strengthening Mechanisms in Commercial Microalloyed Steels and Reaction Kinetics on Tempering in Low-Alloy Steels, Tabla 5, p. 60.<\/p>\n\n\n\n

\n

Composiciones y l\u00edmite el\u00e1stico de aceros de banda microaleados, PDF imprimible<\/strong><\/p>\n\n

Dos p\u00e1ginas A4 con las composiciones de los cinco aceros en porcentaje en peso, las condiciones de laminaci\u00f3n y el l\u00edmite el\u00e1stico tras el bobinado, y nuestros datos de contacto.<\/p>\n\n

\n
Descargar PDF, 430 KB<\/a><\/div>\n\n<\/div>\n<\/div>\n\n\n\n

Condiciones de procesamiento industrial y l\u00edmite el\u00e1stico tras el bobinado<\/p>\n\n\n\n

Las temperaturas de calentamiento, desbaste, acabado y bobinado se dan en grados C, el espesor en mil\u00edmetros y el l\u00edmite el\u00e1stico en MPa. Los cinco aceros se laminaron en un tren de banda en caliente industrial. La columna de enfriamiento se imprime como \u00b0C*min-1 en la fuente y se reproduce sin cambios.<\/p>\n\n\n\n

Acero<\/th>Remojo
\u00b0C<\/th>		Austeridad
\u00b0C<\/th>		Refinamiento
\u00b0C<\/th>		Enfriamiento
\u00b0C*min-1<\/th>		Bobinado
\u00b0C<\/th>		Espesor
mm<\/th>		Y.S.
MPa<\/th><\/tr><\/thead>
Nb<\/td>1150<\/td>\u22651080<\/td>890<\/td>10<\/td>650<\/td>10<\/td>310<\/td><\/tr>
NbTi-1<\/td>1230<\/td>\u22651100<\/td>870<\/td>20<\/td>630<\/td>8<\/td>332<\/td><\/tr>
NbTi-2<\/td>1150<\/td>\u22651070<\/td>870<\/td>10<\/td>650<\/td>7<\/td>534<\/td><\/tr>
NbTi-3<\/td>1225<\/td>\u22651100<\/td>895<\/td>10<\/td>650<\/td>8<\/td>638<\/td><\/tr>
NbTiV<\/td>1225<\/td>\u22651100<\/td>895<\/td>10<\/td>670<\/td>3<\/td>599<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Fuente, Alloy Steel, Properties and Use (E. Morales), cap\u00edtulo 3, Comments About the Strengthening Mechanisms in Commercial Microalloyed Steels and Reaction Kinetics on Tempering in Low-Alloy Steels, Tabla 6, p. 60.<\/p>\n\n\n\n

De d\u00f3nde proviene el l\u00edmite el\u00e1stico<\/p>\n\n\n\n

El l\u00edmite el\u00e1stico base se calcula a partir del tama\u00f1o de grano ferr\u00edtico, manganeso, silicio y nitr\u00f3geno libre en soluci\u00f3n. La \u00faltima columna es el endurecimiento adicional por dislocaciones y precipitaci\u00f3n, obtenido restando el valor base calculado del l\u00edmite el\u00e1stico medido. La fuente imprime el encabezado de la \u00faltima columna como \u0394\u03c3( MPa, reproducido aqu\u00ed como \u0394\u03c3 (MPa).<\/p>\n\n\n\n

Acero<\/th>Grain Size
(\u00b5m)<\/th>		\u03c3
(MPa)<\/th>		\u0394\u03c3
(MPa)<\/th><\/tr><\/thead>
Nb<\/td>10.0<\/td>252<\/td>58<\/td><\/tr>
NbTi-1<\/td>9.4<\/td>254<\/td>78<\/td><\/tr>
NbTi-2<\/td>5.0<\/td>367<\/td>167<\/td><\/tr>
NbTi-3<\/td>4.2<\/td>393<\/td>245<\/td><\/tr>
NbTiV<\/td>3.3<\/td>421<\/td>178<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Fuente, Alloy Steel, Properties and Use (E. Morales), cap\u00edtulo 3, Comments About the Strengthening Mechanisms in Commercial Microalloyed Steels and Reaction Kinetics on Tempering in Low-Alloy Steels, Tabla 7, p. 61.<\/p>\n\n\n\n

El carbono y el manganeso determinan el nivel de resistencia. El acero Nb con 0,07 % C y 0,68 % Mn alcanz\u00f3 310 MPa tras el bobinado, mientras que el NbTi-2 con 0,12 % C y 1,21 % Mn alcanz\u00f3 534 MPa. Los tres aceros de mayor resistencia contienen niobio con titanio, y el NbTiV a\u00f1ade tambi\u00e9n vanadio. Para las composiciones de los grados de acero aleado que suministramos como barra, consulte la Tabla de composici\u00f3n del acero aleado<\/a>.<\/p>\n\n\n\n

Los tres aceros de mayor resistencia tambi\u00e9n salieron del tren m\u00e1s delgados, con 3 a 8 mm frente a 10 mm de los dos de menor resistencia, y su tama\u00f1o de grano ferr\u00edtico baj\u00f3 a 3,3 a 5,0 \u00b5m frente a unos 10 \u00b5m. El refinamiento de grano es la mayor parte de esa ganancia. El endurecimiento adicional por dislocaciones y precipitaci\u00f3n va de 58 MPa en el acero Nb a 245 MPa en el NbTi-3.<\/p>\n\n\n\n

Los nombres de acero Nb, NbTi-1, NbTi-2, NbTi-3 y NbTiV son los identificadores usados en el cap\u00edtulo de la fuente, no designaciones de grados comerciales. Los n\u00fameros anteriores son las cifras impresas en ese cap\u00edtulo, no una especificaci\u00f3n de compra. La composici\u00f3n de los grados de acero al carbono que suministramos est\u00e1 en la Tabla de composici\u00f3n del acero al carbono<\/a>.<\/p>\n\n\n\n

Los datos de composici\u00f3n y propiedades son solo de referencia general. Los valores reales var\u00edan seg\u00fan la norma, el tren de laminaci\u00f3n y el n\u00famero de colada. Confirme con el certificado de ensayo del material (MTC) o contacte con Aobo Steel.<\/p>\n\n\n\n

Datos de referencia recopilados de Alloy Steel, Properties and Use (E. Morales), cap\u00edtulo 3, Comments About the Strengthening Mechanisms in Commercial Microalloyed Steels and Reaction Kinetics on Tempering in Low-Alloy Steels.<\/p>","protected":false},"excerpt":{"rendered":"

Microalloyed Strip Steel Compositions and Yield Strength Compositions in weight percent, industrial rolling conditions and yield strength after coiling for five commercial microalloyed hot strip steels, from a low niobium C-Mn baseline to NbTiV grades that reach 599 to 638 MPa. The tables are a reference summary of a published chapter and not an Aobo […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_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":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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Strip Steel Compositions and Yield Strength Compositions in weight percent, industrial rolling conditions and yield strength after coiling for five commercial microalloyed hot strip steels, from a low niobium C-Mn baseline to NbTiV grades that reach 599 to 638 MPa. 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