{"id":2554,"date":"2025-09-18T01:06:33","date_gmt":"2025-09-18T01:06:33","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&#038;p=2554"},"modified":"2025-09-18T01:08:13","modified_gmt":"2025-09-18T01:08:13","slug":"weathering-steel-billet-q345b","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/es\/producto\/weathering-steel-billet-q345b\/","title":{"rendered":"Palanquilla de acero para intemperie Q345B"},"content":{"rendered":"<table>\n<thead>\n<tr>\n<th>Par\u00e1metro<\/th>\n<th>Valor<\/th>\n<th>Observaciones<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Est\u00e1ndar<\/strong><\/td>\n<td>GB\/T 1591-2008, GB\/T 4171-2008<\/td>\n<td>Conforme a las normas de los aceros de baja aleaci\u00f3n y alta resistencia y de los aceros de intemperie<\/td>\n<\/tr>\n<tr>\n<td><strong>Grado<\/strong><\/td>\n<td>Q345B (Tipo intemperie)<\/td>\n<td>Sometido a pruebas de impacto a 20\u2103 con resistencia mejorada a la corrosi\u00f3n atmosf\u00e9rica.<\/td>\n<\/tr>\n<tr>\n<td><strong>Composici\u00f3n qu\u00edmica (wt%)<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Carbono (C)<\/td>\n<td>\u22640.20<\/td>\n<td>Control de soldabilidad y resistencia a la corrosi\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>- Silicio (Si)<\/td>\n<td>\u22640.55<\/td>\n<td>Ayuda a formar una capa protectora de \u00f3xido<\/td>\n<\/tr>\n<tr>\n<td>- Manganeso (Mn)<\/td>\n<td>\u22641.70<\/td>\n<td>Aumenta la fuerza y la resistencia<\/td>\n<\/tr>\n<tr>\n<td>- F\u00f3sforo (P)<\/td>\n<td>0.015 - 0.040<\/td>\n<td>Favorece la formaci\u00f3n de p\u00e1tina para resistir a la intemperie<\/td>\n<\/tr>\n<tr>\n<td>- Azufre (S)<\/td>\n<td>\u22640.040<\/td>\n<td>Minimizado para reducir la fragilidad y los riesgos de corrosi\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>- Cromo (Cr)<\/td>\n<td>0.30 - 0.70<\/td>\n<td>Elemento clave para mejorar la resistencia a la corrosi\u00f3n atmosf\u00e9rica<\/td>\n<\/tr>\n<tr>\n<td>- N\u00edquel (Ni)<\/td>\n<td>\u22640.50<\/td>\n<td>Mejora la resistencia a la corrosi\u00f3n en entornos dif\u00edciles<\/td>\n<\/tr>\n<tr>\n<td>- Cobre (Cu)<\/td>\n<td>0.20 - 0.50<\/td>\n<td>Cr\u00edtico para la formaci\u00f3n de la capa protectora de p\u00e1tina<\/td>\n<\/tr>\n<tr>\n<td>- Niobio (Nb)<\/td>\n<td>\u22640.07<\/td>\n<td>Microaleaci\u00f3n para el refinamiento del grano<\/td>\n<\/tr>\n<tr>\n<td>- Vanadio (V)<\/td>\n<td>\u22640.15<\/td>\n<td>Mejora la fuerza y la resistencia<\/td>\n<\/tr>\n<tr>\n<td>- Titanio (Ti)<\/td>\n<td>\u22640.20<\/td>\n<td>Mejora la estabilidad estructural<\/td>\n<\/tr>\n<tr>\n<td><strong>Propiedades mec\u00e1nicas<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- L\u00edmite el\u00e1stico (ReL)<\/td>\n<td>\u2265345 MPa<\/td>\n<td>Para grosor \u226416mm<\/td>\n<\/tr>\n<tr>\n<td>- Resistencia a la tracci\u00f3n (Rm)<\/td>\n<td>470 - 630 MPa<\/td>\n<td>Garantiza la integridad estructural bajo carga<\/td>\n<\/tr>\n<tr>\n<td>- Alargamiento (A)<\/td>\n<td>\u226521%<\/td>\n<td>Proporciona ductilidad para la fabricaci\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>- Energ\u00eda de impacto (Akv)<\/td>\n<td>\u226534 J<\/td>\n<td>A 20\u2103 (probeta longitudinal), resiste la fractura fr\u00e1gil.<\/td>\n<\/tr>\n<tr>\n<td>- Prueba de flexi\u00f3n<\/td>\n<td>180\u00b0<\/td>\n<td>Di\u00e1metro de curvatura: 2a (\u226416mm) \/ 3a (&gt;16mm)<\/td>\n<\/tr>\n<tr>\n<td><strong>Resistencia a la corrosi\u00f3n<\/strong><\/td>\n<td>2 - 5 veces mejor que el acero al carbono ordinario<\/td>\n<td>Forma una p\u00e1tina densa y adherente (capa protectora de \u00f3xido) en condiciones atmosf\u00e9ricas.<\/td>\n<\/tr>\n<tr>\n<td><strong>Condiciones de entrega<\/strong><\/td>\n<td>Laminado en caliente, normalizado, TMCP<\/td>\n<td>La superficie puede desarrollar una capa inicial de \u00f3xido durante el almacenamiento<\/td>\n<\/tr>\n<tr>\n<td><strong>Aplicaciones t\u00edpicas<\/strong><\/td>\n<td>Puentes, fachadas de edificios, estructuras exteriores, infraestructuras de transporte y equipos industriales expuestos a la intemperie.<\/td>\n<td>Ideal para reducir el mantenimiento y prolongar la vida \u00fatil en entornos exteriores<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>El tocho de acero Q345B para intemperie es un acero de baja aleaci\u00f3n de alto rendimiento dise\u00f1ado para sobresalir en exteriores y entornos dif\u00edciles, que combina la resistencia del Q345B con una mayor resistencia a la corrosi\u00f3n atmosf\u00e9rica. Conforme a las normas GB\/T 1591-2008 y GB\/T 4171-2008, este tocho forma una p\u00e1tina protectora y autorregenerativa con el paso del tiempo, eliminando la necesidad de pinturas o revestimientos frecuentes, lo que lo convierte en una opci\u00f3n rentable y sostenible para aplicaciones a la intemperie a largo plazo.<\/p>","protected":false},"featured_media":2542,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","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":""}}},"product_brand":[],"product_cat":[26],"product_tag":[],"class_list":["post-2554","product","type-product","status-publish","has-post-thumbnail","product_cat-specialty-billets","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product\/2554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/comments?post=2554"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/media\/2542"}],"wp:attachment":[{"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/media?parent=2554"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_brand?post=2554"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_cat?post=2554"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_tag?post=2554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}