{"id":2552,"date":"2025-09-18T00:55:12","date_gmt":"2025-09-18T00:55:12","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&#038;p=2552"},"modified":"2025-09-18T01:03:45","modified_gmt":"2025-09-18T01:03:45","slug":"pressure-vessel-steel-billet-q345b","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/es\/producto\/pressure-vessel-steel-billet-q345b\/","title":{"rendered":"Palanquilla de acero para recipientes a presi\u00f3n 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<\/td>\n<td>Norma aplicable al 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>Prueba de impacto a 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>Para garantizar una buena soldabilidad y evitar un endurecimiento excesivo durante el tratamiento t\u00e9rmico.<\/td>\n<\/tr>\n<tr>\n<td>- Silicio (Si)<\/td>\n<td>\u22640.55<\/td>\n<td>Ayuda a la desoxidaci\u00f3n y afecta en cierta medida a la resistencia y la tenacidad<\/td>\n<\/tr>\n<tr>\n<td>- Manganeso (Mn)<\/td>\n<td>\u22641.70<\/td>\n<td>Contribuye a aumentar la fuerza y mejorar la tenacidad<\/td>\n<\/tr>\n<tr>\n<td>- F\u00f3sforo (P)<\/td>\n<td>\u22640.040<\/td>\n<td>Se mantiene a un nivel bajo para evitar la fragilizaci\u00f3n y garantizar un buen rendimiento en condiciones de presi\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>- Azufre (S)<\/td>\n<td>\u22640.040<\/td>\n<td>El bajo contenido en azufre es crucial para una buena conformabilidad y soldabilidad<\/td>\n<\/tr>\n<tr>\n<td>- Niobio (Nb)<\/td>\n<td>\u22640.07<\/td>\n<td>Elemento de microaleaci\u00f3n para el refinamiento del grano y la mejora de las propiedades mec\u00e1nicas<\/td>\n<\/tr>\n<tr>\n<td>- Vanadio (V)<\/td>\n<td>\u22640.15<\/td>\n<td>Puede mejorar las propiedades de fuerza y resistencia al calor<\/td>\n<\/tr>\n<tr>\n<td>- Titanio (Ti)<\/td>\n<td>\u22640.20<\/td>\n<td>Ayuda a mejorar la tenacidad y la estabilidad estructural<\/td>\n<\/tr>\n<tr>\n<td>- Nitr\u00f3geno (N)<\/td>\n<td>\u22640.012<\/td>\n<td>Controlado para evitar la fragilizaci\u00f3n inducida por nitr\u00f3geno<\/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 \u226416mm; un par\u00e1metro importante para soportar la presi\u00f3n interna en recipientes a presi\u00f3n.<\/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 global del recipiente a presi\u00f3n en diversas condiciones de carga.<\/td>\n<\/tr>\n<tr>\n<td>- Alargamiento (A)<\/td>\n<td>\u226521%<\/td>\n<td>Proporciona la ductilidad necesaria para adaptarse a posibles deformaciones durante el funcionamiento o los cambios de presi\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), crucial para resistir impactos bruscos y evitar 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 para \u226416mm; 3a para &gt;16mm (donde 'a' representa el grosor o la dimensi\u00f3n relevante), importante para los procesos de fabricaci\u00f3n.<\/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)<\/td>\n<td>En funci\u00f3n de los requisitos espec\u00edficos de fabricaci\u00f3n y uso de los recipientes a presi\u00f3n<\/td>\n<\/tr>\n<tr>\n<td><strong>Aplicaciones t\u00edpicas<\/strong><\/td>\n<td>Fabricaci\u00f3n de diversos recipientes a presi\u00f3n, como dep\u00f3sitos de almacenamiento de gases y l\u00edquidos, calderas y otros equipos sometidos a presi\u00f3n interna en entornos industriales.<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Esta palanquilla de acero para recipientes a presi\u00f3n Q345B est\u00e1 dise\u00f1ada para cumplir los estrictos requisitos de la fabricaci\u00f3n de recipientes a presi\u00f3n gracias a su composici\u00f3n qu\u00edmica equilibrada y sus propiedades mec\u00e1nicas fiables, lo que garantiza la seguridad y la durabilidad en aplicaciones en las que la contenci\u00f3n de la presi\u00f3n es una preocupaci\u00f3n clave.<\/p>","protected":false},"featured_media":2532,"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 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