{"id":2551,"date":"2025-09-18T00:55:10","date_gmt":"2025-09-18T00:55:10","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&p=2551"},"modified":"2025-09-18T01:02:00","modified_gmt":"2025-09-18T01:02:00","slug":"pipeline-steel-billet-q345b","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/es\/producto\/pipeline-steel-billet-q345b\/","title":{"rendered":"Palanquilla de acero para tuber\u00edas Q345B"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Par\u00e1metro<\/th>\nValor<\/th>\nObservaciones<\/th>\n<\/tr>\n<\/thead>\n
Est\u00e1ndar<\/strong><\/td>\nGB\/T 1591-2008<\/td>\nAcero estructural de alta resistencia y baja aleaci\u00f3n<\/td>\n<\/tr>\n
Grado<\/strong><\/td>\nQ345B<\/td>\nPrueba de impacto a 20\u2103<\/td>\n<\/tr>\n
Composici\u00f3n qu\u00edmica (wt%)<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
- Carbono (C)<\/td>\n\u22640.20<\/td>\nControlada para soldabilidad en aplicaciones de tuber\u00edas<\/td>\n<\/tr>\n
- Silicio (Si)<\/td>\n\u22640.55<\/td>\n<\/td>\n<\/tr>\n
- Manganeso (Mn)<\/td>\n\u22641.70<\/td>\nAumenta la fuerza y la resistencia<\/td>\n<\/tr>\n
- F\u00f3sforo (P)<\/td>\n\u22640.040<\/td>\nMinimizado para reducir la fragilidad en el servicio de tuber\u00edas<\/td>\n<\/tr>\n
- Azufre (S)<\/td>\n\u22640.040<\/td>\nSu bajo contenido garantiza una buena soldabilidad y ductilidad<\/td>\n<\/tr>\n
- Niobio (Nb)<\/td>\n\u22640.07<\/td>\nElemento de microaleaci\u00f3n para el refinamiento del grano<\/td>\n<\/tr>\n
- Vanadio (V)<\/td>\n\u22640.15<\/td>\nMejora la fuerza y la resistencia al calor<\/td>\n<\/tr>\n
- Titanio (Ti)<\/td>\n\u22640.20<\/td>\nMejora la tenacidad y la estabilidad estructural<\/td>\n<\/tr>\n
- Nitr\u00f3geno (N)<\/td>\n\u22640.012<\/td>\nControlado para evitar la fragilizaci\u00f3n<\/td>\n<\/tr>\n
Propiedades mec\u00e1nicas<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
- L\u00edmite el\u00e1stico (ReL)<\/td>\n\u2265345 MPa<\/td>\nPara espesores \u226416mm; cr\u00edtico para la resistencia a la presi\u00f3n.<\/td>\n<\/tr>\n
- Resistencia a la tracci\u00f3n (Rm)<\/td>\n470-630 MPa<\/td>\nGarantiza la integridad bajo las presiones de funcionamiento de las tuber\u00edas<\/td>\n<\/tr>\n
- Alargamiento (A)<\/td>\n\u226521%<\/td>\nPermite flexibilidad para la instalaci\u00f3n\/ampliaci\u00f3n de tuber\u00edas<\/td>\n<\/tr>\n
- Energ\u00eda de impacto (Akv)<\/td>\n\u226534 J<\/td>\nA 20\u2103 (probeta longitudinal), resiste la fractura por cargas din\u00e1micas.<\/td>\n<\/tr>\n
- Prueba de flexi\u00f3n<\/td>\n180\u00b0<\/td>\nDi\u00e1metro de curvatura: 2a (\u226416mm) \/ 3a (>16mm) para conformar componentes de tuber\u00edas.<\/td>\n<\/tr>\n
Condiciones de entrega<\/strong><\/td>\nLaminado en caliente, normalizado, TMCP (Proceso de Control Termomec\u00e1nico)<\/td>\nAdaptado a los requisitos de fabricaci\u00f3n de tuber\u00edas<\/td>\n<\/tr>\n
Aplicaciones t\u00edpicas<\/strong><\/td>\nTuber\u00edas de transporte de petr\u00f3leo\/gas, tuber\u00edas de transporte de agua, tuber\u00edas de fluidos industriales y componentes de recipientes a presi\u00f3n.<\/td>\nDise\u00f1ado para servicio de alta presi\u00f3n, larga distancia y entornos dif\u00edciles<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

Este tocho de acero Q345B para tuber\u00edas est\u00e1 dise\u00f1ado para equilibrar resistencia, soldabilidad y tenacidad, requisitos clave para la fiabilidad de los sistemas de tuber\u00edas. Sus propiedades qu\u00edmicas y mec\u00e1nicas garantizan el rendimiento bajo presi\u00f3n interna, cargas externas y estr\u00e9s medioambiental, lo que lo convierte en una opci\u00f3n fiable para proyectos de energ\u00eda e infraestructuras.<\/p>","protected":false},"featured_media":2528,"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-2551","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\/2551","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=2551"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/media\/2528"}],"wp:attachment":[{"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/media?parent=2551"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_brand?post=2551"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_cat?post=2551"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/es\/wp-json\/wp\/v2\/product_tag?post=2551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}