{"id":2549,"date":"2025-09-18T00:55:08","date_gmt":"2025-09-18T00:55:08","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&#038;p=2549"},"modified":"2025-09-18T00:57:50","modified_gmt":"2025-09-18T00:57:50","slug":"h-type-billet-q345b","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/es\/producto\/h-type-billet-q345b\/","title":{"rendered":"Billet tipo H 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>Norma de referencia<\/strong><\/td>\n<td>GB\/T 1591-2008<\/td>\n<td>Norma de acero estructural de alta resistencia y baja aleaci\u00f3n<\/td>\n<\/tr>\n<tr>\n<td><strong>Grado<\/strong><\/td>\n<td>Q345B<\/td>\n<td>La temperatura de la prueba de impacto es de 20\u2103<\/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><\/td>\n<\/tr>\n<tr>\n<td>- Silicio (Si)<\/td>\n<td>\u22640.55<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Manganeso (Mn)<\/td>\n<td>\u22641.70<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- F\u00f3sforo (P)<\/td>\n<td>\u22640.040<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Azufre (S)<\/td>\n<td>\u22640.040<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Niobio (Nb)<\/td>\n<td>\u22640.07<\/td>\n<td>Elemento de microaleaci\u00f3n para mejorar las propiedades<\/td>\n<\/tr>\n<tr>\n<td>- Vanadio (V)<\/td>\n<td>\u22640.15<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Titanio (Ti)<\/td>\n<td>\u22640.20<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Nitr\u00f3geno (N)<\/td>\n<td>\u22640.012<\/td>\n<td><\/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 espesor o di\u00e1metro \u226416mm; utilizar Rp0,2 si el l\u00edmite el\u00e1stico no est\u00e1 claro.<\/td>\n<\/tr>\n<tr>\n<td>- Resistencia a la tracci\u00f3n (Rm)<\/td>\n<td>470 - 630 MPa<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Alargamiento (A)<\/td>\n<td>\u226521%<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Energ\u00eda de impacto (Akv)<\/td>\n<td>\u226534 J<\/td>\n<td>A los 20\u2103, esp\u00e9cimen longitudinal<\/td>\n<\/tr>\n<tr>\n<td>- Prueba de flexi\u00f3n<\/td>\n<td>180\u00b0<\/td>\n<td>Di\u00e1metro de curvatura: 2a para \u226416mm; 3a para &gt;16mm (donde 'a' representa la dimensi\u00f3n relevante como grosor o di\u00e1metro).<\/td>\n<\/tr>\n<tr>\n<td><strong>Condiciones de entrega<\/strong><\/td>\n<td>Laminado en caliente, normalizado, normalizado + templado, TMCP (Thermo-Mechanical Control Process), etc.<\/td>\n<td>Seg\u00fan los requisitos espec\u00edficos del cliente<\/td>\n<\/tr>\n<tr>\n<td><strong>Aplicaciones t\u00edpicas<\/strong><\/td>\n<td>Estructuras de acero en forma de H en la construcci\u00f3n, puentes, edificios industriales, y tambi\u00e9n para algunos componentes de entramado en los que se necesita una gran resistencia y una buena conformabilidad.<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>El tocho tipo H Q345B es un acero estructural premium de baja aleaci\u00f3n y alta resistencia dise\u00f1ado para proyectos exigentes de construcci\u00f3n e ingenier\u00eda. Conforme a las normas GB\/T 1591-2008, este tocho perfilado en H ofrece una combinaci\u00f3n excepcional de resistencia, tenacidad y trabajabilidad, lo que lo convierte en la opci\u00f3n preferida para estructuras que requieren un rendimiento fiable bajo cargas pesadas.<\/p>","protected":false},"featured_media":2518,"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-2549","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\/2549","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=2549"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/media?parent=2549"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_brand?post=2549"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_cat?post=2549"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_tag?post=2549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}