{"id":54452,"date":"2026-06-10T14:09:30","date_gmt":"2026-06-10T06:09:30","guid":{"rendered":"https:\/\/www.cnmetalfasteners.com\/?page_id=54452"},"modified":"2026-06-22T09:23:34","modified_gmt":"2026-06-22T01:23:34","slug":"astm-a320-l7-l7m","status":"publish","type":"page","link":"https:\/\/www.cnmetalfasteners.com\/es\/materials-alloys\/astm-a320-l7-l7m\/","title":{"rendered":"Esp\u00e1rragos de acero aleado ASTM A320 L7 y L7M"},"content":{"rendered":"<style>\n.wisine-astm-a320-l7-l7m-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-a320-l7-l7m-page *, .wisine-astm-a320-l7-l7m-page *::before, .wisine-astm-a320-l7-l7m-page *::after { box-sizing: border-box; }\n.wisine-astm-a320-l7-l7m-page a { color: inherit; text-decoration: none; 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\/materials-alloys\/astm-a320-l7-l7m\/\nPrimary Keyword: ASTM A320 L7 L7M stud bolts\n-->\n\n<div class=\"wisine-astm-a320-l7-l7m-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 A320 L7 y L7M<\/h1>\n        <p class=\"lead\">Referencia de la especificaci\u00f3n ASTM A320 L7 \/ L7M para esp\u00e1rragos, varillas roscadas, pernos, tuercas compatibles y conjuntos de fijaci\u00f3n industrial de acero aleado cuando el proyecto especifique materiales L7 o L7M.<\/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 A320 L7 \/ L7M alloy steel stud bolts or bolting set image. Alt text: ASTM A320 L7 and L7M alloy steel stud bolts.<\/div>\n    <\/div>\n  <\/section>\n\n  <nav class=\"quick-nav wrap\" aria-label=\"Navegaci\u00f3n r\u00e1pida: ASTM A320 L7 y L7M\">\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 L7 \/ L7M<\/a>\n    <a href=\"#matching-notes\">Notas A320 \/ 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 A320 L7 \/ L7M para uniones de acero aleado especificadas por el proyecto<\/h2>\n        <p style=\"margin-top:14px;color:var(--muted);\">ASTM A320 L7 y ASTM A320 L7M son especificaciones de materiales de acero aleado que suelen evaluarse para esp\u00e1rragos, varillas roscadas y conjuntos industriales cuando el proyecto prescribe ASTM A320 L7 o L7M.<\/p>\n        <p style=\"margin-top:14px;color:var(--muted);\">L7 \/ L7M alloy steel bolting can be considered for stud bolts, threaded rods, bolts, matched nuts, washers and fastener sets where ASTM A320 L7 \/ L7M 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. L7 and L7M should not be treated as interchangeable without project confirmation.<\/p>\n        <p style=\"margin-top:14px;color:var(--muted);\">Impact testing or low-temperature requirements should be confirmed according to project specification where required.<\/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-b7-b7m\/\">Comparar A193 B7 \/ B7M<\/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 A320 L7 o ASTM A320 L7M<\/li>\n          <li>Confirm class, condition and impact testing requirement where specified<\/li>\n          <li>Confirmar los requisitos de tuercas compatibles ASTM A194 7 \/ 7M 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 A320 L7 \/ L7M<\/h2>\n        <p>Grade, class, condition, impact testing requirements, matching nut requirements and applicable standards should be confirmed according to order requirements, product form and project specification. L7 and L7M 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 A320 L7<\/td>\n            <td>Uniones de acero aleado L7<\/td>\n            <td>Confirm grade, class, condition, thread, finish or coating, impact testing requirement and certificate requirements according to project documents.<\/td>\n          <\/tr>\n          <tr>\n            <td>ASTM A320 L7M<\/td>\n            <td>Uniones de acero aleado L7M<\/td>\n            <td>Confirmar los requisitos L7M, 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 L7<\/td>\n            <td>Uniones de acero aleado para baja temperatura cuando se especifiquen<\/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 L7M<\/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 7 cuando se especifiquen<\/td>\n            <td>Evaluaci\u00f3n de tuercas compatibles con uniones L7<\/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 7M cuando se especifiquen<\/td>\n            <td>Evaluaci\u00f3n de tuercas compatibles con uniones L7M<\/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, impact testing requirements, matching nut requirements and applicable standards should be confirmed according to order requirements, product form and project specification. L7 and L7M 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 A320 L7 \/ L7M 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>Stud bolts, fully threaded rods, double-end studs and threaded rods can be discussed when grade, class, thread, length and impact testing requirements are confirmed.<\/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 A320 L7 \/ L7M para solicitudes de cotizaci\u00f3n<\/h2>\n        <p>WISINE can discuss ASTM A320 L7 and L7M 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 A320 L7<\/h3>\n          <p>Esp\u00e1rragos L7 para conjuntos de uni\u00f3n espec\u00edficos cuando los documentos del proyecto especifiquen ASTM A320 L7.<\/p>\n        <\/a>\n        <a class=\"card\" href=\"\/industrial-fasteners\/threaded-rods-stud-bolts\/\">\n          <h3>Esp\u00e1rragos ASTM A320 L7M<\/h3>\n          <p>L7M 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 L7<\/h3>\n          <p>Varillas L7 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 L7M<\/h3>\n          <p>L7M 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 L7 \/ L7M<\/h3>\n          <p>Pernos cuando se especifique ASTM A320 L7 \/ L7M 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 L7 \/ L7M<\/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 7 \/ 7M, 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 L7 \/ L7M 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 A320 \/ A194<\/span>\n        <h2>Confirmar tuercas compatibles y documentaci\u00f3n de impacto<\/h2>\n        <p style=\"margin-top:14px;color:var(--muted);\">Los esp\u00e1rragos ASTM A320 L7 \/ L7M suelen evaluarse junto con tuercas ASTM A194 7 \/ 7M 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 does not assume a matching nut grade, class or document package without confirmed project documents. Impact testing or low-temperature documentation requirements should be confirmed before quotation when required.<\/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>ASTM A320 grade and class for stud bolts<\/li>\n          <li>Grado de tuerca ASTM A194 cuando se especifique<\/li>\n          <li>Impact testing requirement if specified<\/li>\n          <li>Tipo de rosca, paso y requisitos de ajuste<\/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 A320 L7 \/ L7M<\/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\"><h3>Uniones de bridas<\/h3><p>Uniones de bridas cuando el proyecto especifique ASTM A320 L7 \/ L7M y se confirmen los requisitos finales de fijaci\u00f3n.<\/p><\/div>\n        <div class=\"card\"><h3>Sistemas de tuber\u00edas<\/h3><p>Sistemas de tuber\u00edas cuando el proyecto especifique uniones L7 \/ L7M, tuercas compatibles y documentaci\u00f3n.<\/p><\/div>\n        <div class=\"card\"><h3>V\u00e1lvulas y conjuntos de equipos<\/h3><p>Valves and equipment assemblies where alloy steel bolting grade, class and matching nut requirements are specified.<\/p><\/div>\n        <div class=\"card\"><h3>Conjuntos de uni\u00f3n industriales<\/h3><p>Conjuntos industriales que requieren confirmar grado ASTM, rosca, acabado o recubrimiento, cantidad de tuercas e inspecci\u00f3n.<\/p><\/div>\n        <div class=\"card\"><h3>Evaluaci\u00f3n de baja temperatura<\/h3><p>Evaluaci\u00f3n de servicio a baja temperatura cuando el proyecto especifique ASTM A320 L7 \/ L7M y se confirme la documentaci\u00f3n de impacto.<\/p><\/div>\n        <div class=\"card\"><h3>Juegos de fijaci\u00f3n espec\u00edficos del proyecto<\/h3><p>Juegos con esp\u00e1rragos, tuercas y arandelas seg\u00fan normas, dimensiones y certificados confirmados.<\/p><\/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 A320 L7 \/ L7M con ASTM A193 B7 \/ B7M, ASTM A193 B8 \/ B8M, ASTM A194 7 \/ 7M, ASTM A194 2H \/ 2HM, acero inoxidable 316 \/ 316L, Inconel 625 y D\u00faplex 2205.<\/p>\n        <p style=\"margin-top:14px;color:var(--muted);\">La selecci\u00f3n final del material y especificaci\u00f3n de uni\u00f3n debe revisarse seg\u00fan el entorno de servicio, temperatura, impacto, medios corrosivos, requisitos mec\u00e1nicos, norma y proyecto. L7 \/ L7M, B7 \/ B7M y B8 \/ B8M 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-b7-b7m\/\">Comparar A193 B7 \/ B7M<\/a>\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\/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 A320 L7 o L7M?<\/li>\n          <li>\u00bfQu\u00e9 clase o estado se requiere?<\/li>\n          <li>\u00bfSe requieren tuercas compatibles ASTM A194?<\/li>\n          <li>Are impact testing documents required?<\/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 A320 L7 \/ L7M.<\/p>\n      <\/div>\n      <div class=\"grid-2\">\n        <div class=\"card\"><h3>Certificados de material<\/h3><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><\/div>\n        <div class=\"card\"><h3>Grado ASTM y requisitos de impacto<\/h3><p>ASTM A320 grade, class, thread, finish, heat treatment or condition if specified, impact testing requirement if specified, matching nut requirement and certificate requirement should be confirmed before quotation.<\/p><\/div>\n        <div class=\"card\"><h3>Requisitos de inspecci\u00f3n<\/h3><p>PMI, third-party inspection, coating report, impact testing documents or inspection documents should be confirmed before quotation when required.<\/p><\/div>\n        <div class=\"card\"><h3>Requisitos espec\u00edficos del pedido<\/h3><p>Los requisitos NACE \/ MR0175 o de servicio corrosivo espec\u00edficos del proyecto deben confirmarse para cada pedido y no darse por supuestos.<\/p><\/div>\n      <\/div>\n      <div class=\"note\">WISINE does not claim ASTM compliance for all products without confirmed order specification and documents. L7 \/ L7M grade, class, impact testing 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 A320 L7 \/ L7M<\/h2>\n        <p>A clear RFQ helps confirm grade, class, matching nuts, impact requirements, dimensions, manufacturing route and document requirements before quotation.<\/p>\n      <\/div>\n      <div class=\"grid-3\">\n        <div class=\"card\"><h3>Detalles de la especificaci\u00f3n<\/h3><ul><li>Tipo de producto<\/li><li>Grado ASTM: L7 o L7M<\/li><li>Clase o estado, si se especifican<\/li><li>Impact testing requirement if specified<\/li><li>Grado de tuerca compatible, si se requiere<\/li><li>Norma, si corresponde<\/li><\/ul><\/div>\n        <div class=\"card\"><h3>Dimensiones y compatibilidad<\/h3><ul><li>Di\u00e1metro<\/li><li>Longitud<\/li><li>Tipo de rosca<\/li><li>Paso de rosca<\/li><li>Cantidad de tuercas<\/li><li>Requisitos de arandelas<\/li><li>Plano si no es est\u00e1ndar<\/li><\/ul><\/div>\n        <div class=\"card\"><h3>Pedido y documentos<\/h3><ul><li>Cantidad<\/li><li>Acabado superficial o recubrimiento<\/li><li>Certificados requeridos<\/li><li>Requisito de inspecci\u00f3n<\/li><li>Pa\u00eds de destino<\/li><li>Entorno de aplicaci\u00f3n, si es relevante<\/li><\/ul><\/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-b7-b7m\/\"><h3>ASTM A193 B7 \/ B7M<\/h3><p>Consultar especificaciones de uniones de acero aleado.<\/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\/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 A320 L7 \/ L7M<\/h2>\n      <\/div>\n      <div class=\"grid-2\">\n        <div class=\"card\"><h3>\u00bfPuede WISINE cotizar esp\u00e1rragos ASTM A320 L7 y L7M?<\/h3><p>Se pueden evaluar esp\u00e1rragos ASTM A320 L7 y L7M seg\u00fan los requisitos del proyecto, disponibilidad del material, cantidad, procesamiento y documentaci\u00f3n.<\/p><\/div>\n        <div class=\"card\"><h3>\u00bfDeben incluirse los requisitos de impacto en la solicitud?<\/h3><p>Yes. Impact testing or low-temperature requirements should be confirmed according to project specification where required, and related documents should be confirmed before quotation.<\/p><\/div>\n        <div class=\"card\"><h3>\u00bfPuede WISINE suministrar tuercas compatibles ASTM A194?<\/h3><p>Se pueden evaluar tuercas compatibles ASTM A194 7 \/ 7M cuando se especifiquen. Confirme el grado, rosca, cantidad y certificados antes de cotizar.<\/p><\/div>\n        <div class=\"card\"><h3>\u00bfLos certificados se incluyen autom\u00e1ticamente?<\/h3><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><\/div>\n        <div class=\"card\"><h3>\u00bfPueden L7 \/ L7M sustituir a B7 \/ B7M?<\/h3><p>L7 \/ L7M y B7 \/ B7M 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><\/div>\n        <div class=\"card\"><h3>\u00bfPuede WISINE evaluar componentes L7 \/ L7M seg\u00fan plano?<\/h3><p>Yes. Drawing-based alloy steel bolting components can be discussed after drawings, ASTM grade, class, dimensions, impact requirement if specified, finish or coating, quantity and inspection requirements are provided.<\/p><\/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 A320 L7 \/ L7M<\/h2>\n        <p>Send product type, ASTM grade, class or condition if specified, impact testing requirement if specified, dimensions, thread, matching nut grade, nut quantity, washer requirement, finish or coating, quantity and certificate requirements. WISINE can review ASTM A320 L7 \/ L7M 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 A320 L7 and L7M Alloy Steel Stud Bolts ASTM A320 L7 \/ L7M specification reference<\/h3>\n<\/div>\n<div class=\"flex-btn-div\"><a href=\"https:\/\/www.cnmetalfasteners.com\/es\/materials-alloys\/astm-a320-l7-l7m\/\" 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-54452","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 A320 L7 and L7M Alloy Steel Stud Bolts - wisine fasteners and metal<\/title>\n<meta name=\"description\" content=\"WISINE supports ASTM A320 L7 and L7M alloy steel stud bolts, threaded rods, bolts, matched nuts and fastener sets for low-temperature bolting discussions 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-a320-l7-l7m\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM A320 L7 and L7M Alloy Steel Stud Bolts\" \/>\n<meta property=\"og:description\" content=\"WISINE supports ASTM A320 L7 and L7M alloy steel stud bolts, threaded rods, bolts, matched nuts and fastener sets for low-temperature bolting discussions and project-specific industrial assemblies.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cnmetalfasteners.com\/es\/materials-alloys\/astm-a320-l7-l7m\/\" \/>\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=\"2026-06-22T01:23:34+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-a320-l7-l7m\\\/\",\"url\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a320-l7-l7m\\\/\",\"name\":\"ASTM A320 L7 and L7M Alloy Steel Stud Bolts - wisine fasteners and metal\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/#website\"},\"datePublished\":\"2026-06-10T06:09:30+00:00\",\"dateModified\":\"2026-06-22T01:23:34+00:00\",\"description\":\"WISINE supports ASTM A320 L7 and L7M alloy steel stud bolts, threaded rods, bolts, matched nuts and fastener sets for low-temperature bolting discussions and project-specific industrial assemblies.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a320-l7-l7m\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a320-l7-l7m\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.cnmetalfasteners.com\\\/materials-alloys\\\/astm-a320-l7-l7m\\\/#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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