{"id":54450,"date":"2026-06-10T14:03:03","date_gmt":"2026-06-10T06:03:03","guid":{"rendered":"https:\/\/www.cnmetalfasteners.com\/?page_id=54450"},"modified":"2026-06-22T09:23:11","modified_gmt":"2026-06-22T01:23:11","slug":"astm-a193-b7-b7m","status":"publish","type":"page","link":"https:\/\/www.cnmetalfasteners.com\/es\/materials-alloys\/astm-a193-b7-b7m\/","title":{"rendered":"Esp\u00e1rragos de acero aleado ASTM A193 B7 y B7M"},"content":{"rendered":"<style>\n.wisine-astm-a193-b7-b7m-page {\n  --navy:#0d1f33; --navy2:#132b45; --red:#c9252d; --blue:#1f6fae; --light:#f4f7fa; --line:#d9e2ea; --text:#243447; --muted:#607184; --white:#fff;\n  font-family: Arial, Helvetica, sans-serif; color: var(--text); line-height: 1.6; background: var(--white); overflow-x: hidden;\n}\n.wisine-astm-a193-b7-b7m-page *, .wisine-astm-a193-b7-b7m-page *::before, .wisine-astm-a193-b7-b7m-page *::after { box-sizing: border-box; }\n.wisine-astm-a193-b7-b7m-page a { color: inherit; text-decoration: none; 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A193 B7 B7M stud bolts\n-->\n\n<div class=\"wisine-astm-a193-b7-b7m-page\">\n  <section class=\"hero\">\n    <div class=\"wrap hero-grid\">\n      <div>\n        <span class=\"eyebrow\">Materiales y aleaciones WISINE<\/span>\n        <h1>Esp\u00e1rragos de acero aleado ASTM A193 B7 y B7M<\/h1>\n        <p class=\"lead\">Referencia de la especificaci\u00f3n ASTM A193 B7 \/ B7M para esp\u00e1rragos, varillas roscadas, pernos, tuercas compatibles y conjuntos de fijaci\u00f3n industrial de acero aleado cuando el proyecto especifique materiales B7 o B7M.<\/p>\n        <div class=\"buttons\">\n          <a class=\"btn primary\" href=\"\/es\/custom-parts\/send-drawing-for-quote\/\">Enviar plano para cotizaci\u00f3n<\/a>\n          <a class=\"btn secondary\" href=\"\/industrial-fasteners\/threaded-rods-stud-bolts\/\">Ver esp\u00e1rragos<\/a>\n          <a class=\"btn outline\" href=\"\/es\/resources\/standards-certificates\/\">Ver normas y certificados<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"placeholder\">Replace with confirmed ASTM A193 B7 \/ B7M alloy steel stud bolts or bolting set image. Alt text: ASTM A193 B7 and B7M alloy steel stud bolts.<\/div>\n    <\/div>\n  <\/section>\n\n  <nav class=\"quick-nav wrap\" aria-label=\"Navegaci\u00f3n r\u00e1pida: ASTM A193 B7 y B7M\">\n    <a href=\"#material-overview\">Descripci\u00f3n general<\/a>\n    <a href=\"#equivalent-grades\">Referencias de grados<\/a>\n    <a href=\"#product-forms\">Formas del producto<\/a>\n    <a href=\"#fastener-products\">Productos B7 \/ B7M<\/a>\n    <a href=\"#matching-notes\">Notas sobre A193 \/ A194<\/a>\n    <a href=\"#fastener-applications\">Aplicaciones<\/a>\n    <a href=\"#material-options\">Notas de selecci\u00f3n<\/a>\n    <a href=\"#standards-documents\">Documentos<\/a>\n    <a href=\"#rfq-checklist\">Lista para solicitar cotizaci\u00f3n<\/a>\n    <a href=\"#related-products\">Productos relacionados<\/a>\n    <a href=\"#inquiry\">Consulta<\/a>\n  <\/nav>\n\n  <section id=\"material-overview\" class=\"section\">\n    <div class=\"wrap split\">\n      <div>\n        <span class=\"eyebrow\">Resumen de la especificaci\u00f3n<\/span>\n        <h2>ASTM A193 B7 \/ B7M para uniones de acero aleado especificadas por el proyecto<\/h2>\n        <p style=\"margin-top:14px;color:var(--muted);\">ASTM A193 B7 y ASTM A193 B7M son especificaciones de materiales de acero aleado que suelen evaluarse para esp\u00e1rragos, varillas roscadas y conjuntos industriales cuando el proyecto prescribe ASTM A193 B7 o B7M.<\/p>\n        <p style=\"margin-top:14px;color:var(--muted);\">B7 \/ B7M alloy steel bolting can be considered for stud bolts, threaded rods, bolts, matched nuts, washers and fastener sets where ASTM A193 B7 \/ B7M is specified by project requirements. Final bolting material selection should be reviewed according to service conditions and project specification. Grade, class, thread, nut pairing and certificate requirements should be confirmed before quotation. B7 and B7M should not be treated as interchangeable without project confirmation.<\/p>\n        <div class=\"buttons\">\n          <a class=\"btn secondary\" href=\"\/es\/materials-alloys\/alloy-steel\/\">Ver acero aleado<\/a>\n          <a class=\"btn secondary\" href=\"\/es\/materials-alloys\/astm-a193-b8-b8m\/\">Comparar A193 B8 \/ B8M<\/a>\n          <a class=\"btn primary\" href=\"\/es\/custom-parts\/send-drawing-for-quote\/\">Enviar requisitos<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"card\">\n        <h3>Aspectos clave de compra<\/h3>\n        <ul>\n          <li>Confirmar el grado ASTM A193 B7 o ASTM A193 B7M<\/li>\n          <li>Confirmar clase, estado y requisitos de rosca cuando se especifiquen<\/li>\n          <li>Confirmar los requisitos de tuercas compatibles ASTM A194 2H \/ 2HM si se necesitan<\/li>\n          <li>Confirmar di\u00e1metro, longitud, cantidad de tuercas, arandelas y acabado o recubrimiento<\/li>\n          <li>Confirme los requisitos de certificados e inspecci\u00f3n antes del presupuesto<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"equivalent-grades\" class=\"section muted\">\n    <div class=\"wrap\">\n      <div class=\"head\">\n        <span class=\"eyebrow\">Referencias de grados<\/span>\n        <h2>Designaciones de grados y referencias habituales ASTM A193 B7 \/ B7M<\/h2>\n        <p>Grade, class, condition, matching nut requirements and applicable standards should be confirmed according to order requirements, product form and project specification. B7 and B7M should not be assumed interchangeable.<\/p>\n      <\/div>\n      <table>\n        <thead>\n          <tr>\n            <th>Nombre \/ designaci\u00f3n<\/th>\n            <th>Referencia habitual<\/th>\n            <th>Notas de confirmaci\u00f3n para el presupuesto<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>ASTM A193 B7<\/td>\n            <td>Uniones de acero aleado B7<\/td>\n            <td>Confirm grade, class, condition, thread, finish or coating and certificate requirements according to project documents.<\/td>\n          <\/tr>\n          <tr>\n            <td>ASTM A193 B7M<\/td>\n            <td>Uniones de acero aleado B7M<\/td>\n            <td>Confirmar los requisitos B7M, la norma aplicable, la forma de producto y las tuercas compatibles antes de cotizar.<\/td>\n          <\/tr>\n          <tr>\n            <td>Uniones de acero aleado B7<\/td>\n            <td>Referencia de material de acero aleado para uniones atornilladas<\/td>\n            <td>Do not assume grade, class, condition or compliance without confirmed order specification and documents.<\/td>\n          <\/tr>\n          <tr>\n            <td>Uniones de acero aleado B7M<\/td>\n            <td>Referencia de acero aleado para uniones especificadas por el proyecto<\/td>\n            <td>Confirmar el grado y la clase seg\u00fan la especificaci\u00f3n del proyecto, sin basarse \u00fanicamente en referencias abreviadas.<\/td>\n          <\/tr>\n          <tr>\n            <td>Tuercas ASTM A194 2H cuando se especifiquen<\/td>\n            <td>Evaluaci\u00f3n de tuercas compatibles con uniones B7<\/td>\n            <td>Confirmar el grado de tuerca compatible, rosca, cantidad y certificados seg\u00fan la especificaci\u00f3n del proyecto.<\/td>\n          <\/tr>\n          <tr>\n            <td>Tuercas ASTM A194 2HM cuando se especifiquen<\/td>\n            <td>Evaluaci\u00f3n de tuercas compatibles con uniones B7M<\/td>\n            <td>No asumir un grado o clase de tuerca compatible sin documentos de proyecto confirmados.<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n      <div class=\"note\">Grade, class, condition, matching nut requirements and applicable standards should be confirmed according to order requirements, product form and project specification. B7 and B7M should not be assumed interchangeable.<\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"product-forms\" class=\"section\">\n    <div class=\"wrap\">\n      <div class=\"head\">\n        <span class=\"eyebrow\">Formas del producto<\/span>\n        <h2>Formas de producto ASTM A193 B7 \/ B7M que WISINE puede evaluar<\/h2>\n        <p>Las formas de producto pueden estudiarse seg\u00fan los requisitos confirmados, la disponibilidad del material, la cantidad y las necesidades de fabricaci\u00f3n.<\/p>\n      <\/div>\n      <div class=\"grid-3\">\n        <div class=\"card\">\n          <h3>Esp\u00e1rragos y varillas roscadas<\/h3>\n          <p>Se pueden estudiar esp\u00e1rragos, varillas totalmente roscadas, esp\u00e1rragos de doble extremo y varillas roscadas cuando se confirmen grado, clase, rosca y longitud.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Pernos, tuercas y arandelas<\/h3>\n          <p>Se pueden revisar pernos hexagonales cuando se especifiquen, tuercas compatibles, arandelas y juegos de fijaci\u00f3n seg\u00fan el grado ASTM, los requisitos de tuercas y la documentaci\u00f3n necesaria.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Componentes seg\u00fan plano<\/h3>\n          <p>Se pueden evaluar componentes de acero aleado para uniones seg\u00fan plano tras recibir dibujos, especificaci\u00f3n del material, dimensiones, acabado o recubrimiento y requisitos de inspecci\u00f3n.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"fastener-products\" class=\"section muted\">\n    <div class=\"wrap\">\n      <div class=\"head\">\n        <span class=\"eyebrow\">Productos de fijaci\u00f3n<\/span>\n        <h2>Fijaciones ASTM A193 B7 \/ B7M para solicitudes de cotizaci\u00f3n<\/h2>\n        <p>WISINE can discuss ASTM A193 B7 and B7M alloy steel bolting products according to grade, class, thread, dimensions, matching nut requirements and documentation needs.<\/p>\n      <\/div>\n      <div class=\"grid-4\">\n        <a class=\"card\" href=\"\/industrial-fasteners\/threaded-rods-stud-bolts\/\">\n          <h3>Esp\u00e1rragos ASTM A193 B7<\/h3>\n          <p>Esp\u00e1rragos B7 para conjuntos de uni\u00f3n espec\u00edficos cuando los documentos del proyecto especifiquen ASTM A193 B7.<\/p>\n        <\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/threaded-rods-stud-bolts\/\">\n          <h3>Esp\u00e1rragos ASTM A193 B7M<\/h3>\n          <p>B7M stud bolts with grade, class, thread, length, nut and certificate requirements confirmed before quotation.<\/p>\n        <\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/threaded-rods-stud-bolts\/\">\n          <h3>Varillas roscadas B7<\/h3>\n          <p>Varillas B7 y barras totalmente roscadas seg\u00fan di\u00e1metro, paso de rosca, longitud y documentaci\u00f3n confirmados.<\/p>\n        <\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/threaded-rods-stud-bolts\/\">\n          <h3>Varillas roscadas B7M<\/h3>\n          <p>B7M threaded rods can be discussed when project documents specify grade, class and applicable standard requirements.<\/p>\n        <\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/bolts\/\">\n          <h3>Pernos B7 \/ B7M<\/h3>\n          <p>Pernos cuando se especifique ASTM A193 B7 \/ B7M y se confirme la forma final del producto antes de fabricar.<\/p>\n        <\/a>\n        <a class=\"card\" href=\"\/es\/industrial-fasteners\/\">\n          <h3>Conjuntos de fijaciones B7 \/ B7M<\/h3>\n          <p>Se pueden estudiar juegos de torniller\u00eda con tuercas compatibles, arandelas, cantidad y certificados confirmados en la solicitud.<\/p>\n        <\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/nuts\/\">\n          <h3>Tuercas y arandelas compatibles<\/h3>\n          <p>Las tuercas ASTM A194 2H \/ 2HM, cuando se especifiquen, y los requisitos de arandelas deben confirmarse seg\u00fan el proyecto.<\/p>\n        <\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/special-fasteners\/\">\n          <h3>Componentes B7 \/ B7M seg\u00fan plano<\/h3>\n          <p>Se pueden evaluar componentes especiales de acero aleado para uniones seg\u00fan planos, tolerancias y requisitos de inspecci\u00f3n.<\/p>\n        <\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"matching-notes\" class=\"section\">\n    <div class=\"wrap split\">\n      <div>\n        <span class=\"eyebrow\">Notas de compatibilidad A193 \/ A194<\/span>\n        <h2>Confirmar las tuercas compatibles antes de cotizar<\/h2>\n        <p style=\"margin-top:14px;color:var(--muted);\">Los esp\u00e1rragos ASTM A193 B7 \/ B7M suelen evaluarse junto con tuercas ASTM A194 2H \/ 2HM cuando el proyecto lo especifica. Deben confirmarse el grado de tuerca compatible, rosca, cantidad, arandelas y certificados seg\u00fan el proyecto.<\/p>\n        <p style=\"margin-top:14px;color:var(--muted);\">WISINE no presupone grado de tuerca, clase ni documentaci\u00f3n sin documentos de proyecto confirmados. La especificaci\u00f3n final debe confirmarse antes de producir.<\/p>\n        <div class=\"buttons\">\n          <a class=\"btn secondary\" href=\"\/industrial-fasteners\/nuts\/\">Ver tuercas<\/a>\n          <a class=\"btn secondary\" href=\"\/industrial-fasteners\/washers\/\">Ver arandelas<\/a>\n          <a class=\"btn primary\" href=\"\/es\/custom-parts\/send-drawing-for-quote\/\">Enviar requisitos de torniller\u00eda<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"card\">\n        <h3>Detalles de compatibilidad que deben confirmarse<\/h3>\n        <ul>\n          <li>Grado y clase ASTM A193 de los esp\u00e1rragos<\/li>\n          <li>Grado de tuerca ASTM A194 cuando se especifique<\/li>\n          <li>Tipo de rosca, paso y requisitos de ajuste<\/li>\n          <li>Cantidad de tuercas por esp\u00e1rrago<\/li>\n          <li>Requisitos de arandelas y certificados<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"fastener-applications\" class=\"section muted\">\n    <div class=\"wrap\">\n      <div class=\"head\">\n        <span class=\"eyebrow\">Aplicaciones<\/span>\n        <h2>Contextos habituales de solicitudes ASTM A193 B7 \/ B7M<\/h2>\n        <p>Las notas de aplicaci\u00f3n sirven \u00fanicamente para preparar cotizaciones. La selecci\u00f3n final del material de torniller\u00eda debe revisarse seg\u00fan condiciones de servicio y especificaci\u00f3n del proyecto.<\/p>\n      <\/div>\n      <div class=\"grid-3\">\n        <div class=\"card\">\n          <h3>Uniones de bridas<\/h3>\n          <p>Uniones de bridas cuando el proyecto especifique ASTM A193 B7 \/ B7M y se confirmen los requisitos finales de fijaci\u00f3n.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Sistemas de tuber\u00edas<\/h3>\n          <p>Sistemas de tuber\u00edas cuando el proyecto especifique uniones B7 \/ B7M, tuercas compatibles y documentaci\u00f3n.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>V\u00e1lvulas y conjuntos de equipos<\/h3>\n          <p>Valves and equipment assemblies where alloy steel bolting grade, class and matching nut requirements are specified.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Conjuntos de uni\u00f3n industriales<\/h3>\n          <p>Conjuntos industriales que requieren confirmar grado ASTM, rosca, acabado o recubrimiento, cantidad de tuercas e inspecci\u00f3n.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Consultas sobre equipos de proceso<\/h3>\n          <p>Evaluaci\u00f3n de equipos petroqu\u00edmicos y de proceso cuando el proyecto especifique ASTM A193 B7 o B7M.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Juegos de fijaci\u00f3n espec\u00edficos del proyecto<\/h3>\n          <p>Juegos con esp\u00e1rragos, tuercas y arandelas seg\u00fan normas, dimensiones y certificados confirmados.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"material-options\" class=\"section\">\n    <div class=\"wrap split\">\n      <div>\n        <span class=\"eyebrow\">Notas de selecci\u00f3n<\/span>\n        <h2>Notas de comparaci\u00f3n de especificaciones al preparar solicitudes<\/h2>\n        <p style=\"margin-top:14px;color:var(--muted);\">Al preparar la solicitud, los clientes pueden comparar ASTM A193 B7 \/ B7M con ASTM A193 B8 \/ B8M, ASTM A320 L7 \/ L7M, ASTM A194 2H \/ 2HM, acero inoxidable 316 \/ 316L, Inconel 625, D\u00faplex 2205 y Superd\u00faplex 2507.<\/p>\n        <p style=\"margin-top:14px;color:var(--muted);\">La selecci\u00f3n final del material y la especificaci\u00f3n de uni\u00f3n debe revisarse seg\u00fan el entorno de servicio, temperatura, medios corrosivos, requisitos mec\u00e1nicos, norma y proyecto. B7 \/ B7M, B8 \/ B8M y L7 \/ L7M no deben considerarse intercambiables sin confirmaci\u00f3n del proyecto.<\/p>\n        <div class=\"buttons\">\n          <a class=\"btn secondary\" href=\"\/es\/materials-alloys\/astm-a193-b8-b8m\/\">Comparar A193 B8 \/ B8M<\/a>\n          <a class=\"btn secondary\" href=\"\/es\/materials-alloys\/astm-a320-l7-l7m\/\">Comparar A320 L7 \/ L7M<\/a>\n          <a class=\"btn secondary\" href=\"\/es\/materials-alloys\/316-316l-stainless-steel\/\">Comparar 316 \/ 316L<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"card\">\n        <h3>Preguntas de selecci\u00f3n que deben confirmarse<\/h3>\n        <ul>\n          <li>\u00bfSe especifica ASTM A193 B7 o B7M?<\/li>\n          <li>\u00bfQu\u00e9 clase o estado se requiere?<\/li>\n          <li>\u00bfSe requieren tuercas compatibles ASTM A194?<\/li>\n          <li>\u00bfQu\u00e9 certificados y documentos de inspecci\u00f3n se requieren?<\/li>\n          <li>\u00bfEl proyecto especifica requisitos de acabado, recubrimiento o marcado?<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"standards-documents\" class=\"section muted\">\n    <div class=\"wrap\">\n      <div class=\"head\">\n        <span class=\"eyebrow\">Documentos<\/span>\n        <h2>Normas, certificados y documentos de inspecci\u00f3n<\/h2>\n        <p>La documentaci\u00f3n debe acordarse antes de cotizar. Confirme la disponibilidad de certificados; no se debe asumir para todos los productos ASTM A193 B7 \/ B7M.<\/p>\n      <\/div>\n      <div class=\"grid-2\">\n        <div class=\"card\">\n          <h3>Certificados de material<\/h3>\n          <p>Se pueden estudiar certificados de material cuando se requieran. Los documentos EN 10204 3.1 \/ 3.2 pueden discutirse seg\u00fan los requisitos del pedido, la forma de producto y las condiciones de suministro.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Grado y clase ASTM<\/h3>\n          <p>Confirmar antes de cotizar el grado ASTM A193, la clase, la rosca, el acabado, el tratamiento t\u00e9rmico o estado si se especifican, las tuercas compatibles y los certificados.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Requisitos de inspecci\u00f3n<\/h3>\n          <p>Si se requieren, confirmar antes de cotizar PMI, inspecci\u00f3n de terceros, informe de recubrimiento o documentos de inspecci\u00f3n.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>Requisitos espec\u00edficos del pedido<\/h3>\n          <p>Los requisitos NACE \/ MR0175 o de servicio corrosivo espec\u00edficos del proyecto deben confirmarse para cada pedido y no darse por supuestos.<\/p>\n        <\/div>\n      <\/div>\n      <div class=\"note\">WISINE does not claim ASTM compliance for all products without confirmed order specification and documents. B7 \/ B7M grade, class and matching nut requirements should be confirmed according to project specification.<\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"rfq-checklist\" class=\"section\">\n    <div class=\"wrap\">\n      <div class=\"head\">\n        <span class=\"eyebrow\">Lista para solicitar cotizaci\u00f3n<\/span>\n        <h2>Informaci\u00f3n para cotizar ASTM A193 B7 \/ B7M<\/h2>\n        <p>Una solicitud clara ayuda a confirmar grado, clase, tuercas compatibles, dimensiones, proceso de fabricaci\u00f3n y documentaci\u00f3n antes de cotizar.<\/p>\n      <\/div>\n      <div class=\"grid-3\">\n        <div class=\"card\">\n          <h3>Detalles de la especificaci\u00f3n<\/h3>\n          <ul>\n            <li>Tipo de producto<\/li>\n            <li>Grado ASTM: B7 o B7M<\/li>\n            <li>Clase o estado, si se especifican<\/li>\n            <li>Grado de tuerca compatible, si se requiere<\/li>\n            <li>Norma, si corresponde<\/li>\n          <\/ul>\n        <\/div>\n        <div class=\"card\">\n          <h3>Dimensiones y compatibilidad<\/h3>\n          <ul>\n            <li>Di\u00e1metro<\/li>\n            <li>Longitud<\/li>\n            <li>Tipo de rosca<\/li>\n            <li>Paso de rosca<\/li>\n            <li>Cantidad de tuercas<\/li>\n            <li>Requisitos de arandelas<\/li>\n            <li>Plano si no es est\u00e1ndar<\/li>\n          <\/ul>\n        <\/div>\n        <div class=\"card\">\n          <h3>Pedido y documentos<\/h3>\n          <ul>\n            <li>Cantidad<\/li>\n            <li>Acabado superficial o recubrimiento<\/li>\n            <li>Certificados requeridos<\/li>\n            <li>Requisito de inspecci\u00f3n<\/li>\n            <li>Pa\u00eds de destino<\/li>\n            <li>Entorno de aplicaci\u00f3n, si es relevante<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n      <div class=\"buttons\">\n        <a class=\"btn primary\" href=\"\/es\/custom-parts\/send-drawing-for-quote\/\">Enviar plano para cotizaci\u00f3n<\/a>\n        <a class=\"btn secondary\" href=\"\/es\/resources\/quote-preparation-guides\/\">Ver gu\u00edas de preparaci\u00f3n de cotizaciones<\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"related-products\" class=\"section muted\">\n    <div class=\"wrap\">\n      <div class=\"head\">\n        <span class=\"eyebrow\">Productos y recursos relacionados<\/span>\n        <h2>Explorar p\u00e1ginas relacionadas de WISINE<\/h2>\n        <p>Utilice estas p\u00e1ginas para revisar materiales de acero aleado relacionados, especificaciones de uni\u00f3n, categor\u00edas de fijaciones y recursos para preparar cotizaciones.<\/p>\n      <\/div>\n      <div class=\"grid-4\">\n        <a class=\"card\" href=\"\/es\/materials-alloys\/\"><h3>Cat\u00e1logo de materiales y aleaciones<\/h3><p>Consultar las familias de materiales WISINE y las opciones espec\u00edficas del proyecto.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/materials-alloys\/alloy-steel\/\"><h3>Categor\u00eda de acero aleado<\/h3><p>Planned category page for alloy steel material options.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/materials-alloys\/astm-a193-b8-b8m\/\"><h3>ASTM A193 B8 \/ B8M<\/h3><p>Consultar especificaciones de uniones de acero inoxidable.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/materials-alloys\/astm-a320-l7-l7m\/\"><h3>ASTM A320 L7 \/ L7M<\/h3><p>Planned specification page for low-temperature bolting discussions.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/materials-alloys\/316-316l-stainless-steel\/\"><h3>Acero inoxidable 316 \/ 316L<\/h3><p>Consultar fijaciones y piezas a medida de acero inoxidable.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/industrial-fasteners\/\"><h3>Cat\u00e1logo de fijaciones industriales<\/h3><p>Explorar las familias de fijaciones industriales de WISINE.<\/p><\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/threaded-rods-stud-bolts\/\"><h3>Varillas roscadas y esp\u00e1rragos<\/h3><p>Consultar esp\u00e1rragos, varillas roscadas e informaci\u00f3n de cotizaci\u00f3n relacionada.<\/p><\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/bolts\/\"><h3>Pernos<\/h3><p>Consultar tipos de pernos y opciones de especificaci\u00f3n del proyecto.<\/p><\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/nuts\/\"><h3>Tuercas<\/h3><p>Consultar opciones de tuercas para conjuntos de uni\u00f3n industriales.<\/p><\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/washers\/\"><h3>Arandelas<\/h3><p>Consultar opciones de arandelas para juegos de fijaci\u00f3n con materiales compatibles.<\/p><\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/special-fasteners\/\"><h3>Fijaciones especiales<\/h3><p>Consultar requisitos de fijaciones a medida y no est\u00e1ndar seg\u00fan plano.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/custom-parts\/\"><h3>Piezas a medida<\/h3><p>Consultar piezas met\u00e1licas a medida y componentes mecanizados seg\u00fan plano.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/resources\/material-guides\/\"><h3>Gu\u00edas de materiales<\/h3><p>Utilizar los recursos de materiales para preparar solicitudes y comparar opciones.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/resources\/standards-certificates\/\"><h3>Normas y certificados<\/h3><p>Consultar los puntos de documentaci\u00f3n e inspecci\u00f3n que deben discutirse.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/resources\/quote-preparation-guides\/\"><h3>Gu\u00edas para preparar cotizaciones<\/h3><p>Preparar dimensiones, planos, normas y certificados requeridos.<\/p><\/a>\n        <a class=\"card\" href=\"\/es\/custom-parts\/send-drawing-for-quote\/\"><h3>Enviar plano para cotizaci\u00f3n<\/h3><p>Enviar planos y requisitos para piezas a medida o fijaciones especiales.<\/p><\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section\">\n    <div class=\"wrap\">\n      <div class=\"head\">\n        <span class=\"eyebrow\">Preguntas frecuentes<\/span>\n        <h2>Preguntas frecuentes sobre esp\u00e1rragos ASTM A193 B7 \/ B7M<\/h2>\n      <\/div>\n      <div class=\"grid-2\">\n        <div class=\"card\">\n          <h3>\u00bfPuede WISINE cotizar esp\u00e1rragos ASTM A193 B7 y B7M?<\/h3>\n          <p>Se pueden evaluar esp\u00e1rragos ASTM A193 B7 y B7M seg\u00fan los requisitos del proyecto, disponibilidad del material, cantidad, procesamiento y documentaci\u00f3n.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>\u00bfDebe indicarse la clase o el estado en la solicitud?<\/h3>\n          <p>Yes. Grade, class, condition, thread, finish or coating and matching nut requirements should be confirmed according to order requirements and project specification.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>\u00bfPuede WISINE suministrar tuercas compatibles ASTM A194?<\/h3>\n          <p>Se pueden evaluar tuercas compatibles ASTM A194 2H \/ 2HM cuando se especifiquen. Confirme el grado, rosca, cantidad y certificados antes de cotizar.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>\u00bfLos certificados se incluyen autom\u00e1ticamente?<\/h3>\n          <p>No. Se pueden discutir certificados de material y documentos de inspecci\u00f3n si se requieren, pero su disponibilidad debe confirmarse antes de cotizar.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>\u00bfPueden B7 \/ B7M sustituir a B8 \/ B8M o L7 \/ L7M?<\/h3>\n          <p>B7 \/ B7M, B8 \/ B8M y L7 \/ L7M no deben considerarse intercambiables sin confirmaci\u00f3n del proyecto. La selecci\u00f3n final del material debe revisarse seg\u00fan las condiciones de servicio y la especificaci\u00f3n del proyecto.<\/p>\n        <\/div>\n        <div class=\"card\">\n          <h3>\u00bfPuede WISINE evaluar componentes B7 \/ B7M seg\u00fan plano?<\/h3>\n          <p>Yes. Drawing-based alloy steel bolting components can be discussed after drawings, ASTM grade, class, dimensions, finish or coating, quantity and inspection requirements are provided.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section id=\"inquiry\" class=\"cta\">\n    <div class=\"wrap cta-grid\">\n      <div>\n        <span class=\"eyebrow\">Consulta<\/span>\n        <h2>Consultar esp\u00e1rragos y conjuntos ASTM A193 B7 \/ B7M<\/h2>\n        <p>Send product type, ASTM grade, class or condition if specified, dimensions, thread, matching nut grade, nut quantity, washer requirement, finish or coating, quantity and certificate requirements. WISINE can review ASTM A193 B7 \/ B7M alloy steel bolting according to confirmed project requirements.<\/p>\n      <\/div>\n      <div class=\"buttons\">\n        <a class=\"btn primary\" href=\"\/es\/custom-parts\/send-drawing-for-quote\/\">Enviar plano para cotizaci\u00f3n<\/a>\n        <a class=\"btn outline\" href=\"\/resources\/fastener-references\/\">Ver referencias de fijaciones<\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<div class=\"slide-text-bg2\">\n<h3>WISINE Materials &amp; Alloys ASTM A193 B7 and B7M Alloy Steel Stud Bolts ASTM A193 B7 \/ B7M specification reference<\/h3>\n<\/div>\n<div class=\"flex-btn-div\"><a href=\"https:\/\/www.cnmetalfasteners.com\/es\/materials-alloys\/astm-a193-b7-b7m\/\" class=\"btn1 flex-btn\">Leer m\u00e1s<\/a><\/div>","protected":false},"author":1,"featured_media":0,"parent":54303,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"fullwidth.php","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-54450","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ASTM A193 B7 and B7M Alloy Steel Stud Bolts - wisine fasteners and metal<\/title>\n<meta name=\"description\" content=\"WISINE supports ASTM A193 B7 and B7M alloy steel stud bolts, threaded rods, bolts, matched nuts and fastener sets for flange bolting and project-specific industrial assemblies.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cnmetalfasteners.com\/es\/materials-alloys\/astm-a193-b7-b7m\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM A193 B7 and B7M Alloy Steel Stud Bolts\" \/>\n<meta property=\"og:description\" content=\"WISINE supports ASTM A193 B7 and B7M alloy steel stud bolts, threaded rods, bolts, matched nuts and fastener sets for flange bolting and project-specific industrial assemblies.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cnmetalfasteners.com\/es\/materials-alloys\/astm-a193-b7-b7m\/\" \/>\n<meta property=\"og:site_name\" content=\"wisine fasteners and metal\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/Henry-Liu\/pfbid028FGEcrjYV1NCu9SGaj4jVsb6RffkfQEVAXxxRuUudxf4vcsJPqvAfeqNKyPrS6SBl\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-22T01:23:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cnmetalfasteners.com\/wp-content\/uploads\/2023\/06\/fasteners-factory.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1196\" \/>\n\t<meta property=\"og:image:height\" content=\"760\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"9 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a193-b7-b7m\\\/\",\"url\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a193-b7-b7m\\\/\",\"name\":\"ASTM A193 B7 and B7M Alloy Steel Stud Bolts - wisine fasteners and metal\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/#website\"},\"datePublished\":\"2026-06-10T06:03:03+00:00\",\"dateModified\":\"2026-06-22T01:23:11+00:00\",\"description\":\"WISINE supports ASTM A193 B7 and B7M alloy steel stud bolts, threaded rods, bolts, matched nuts and fastener sets for flange bolting and project-specific industrial assemblies.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a193-b7-b7m\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a193-b7-b7m\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a193-b7-b7m\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Materials &amp; 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