{"id":8064,"date":"2025-02-23T15:06:36","date_gmt":"2025-02-23T15:06:36","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&p=8064"},"modified":"2026-07-08T15:01:14","modified_gmt":"2026-07-08T15:01:14","slug":"aleacion-de-aluminio-7021","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/es\/producto\/aleacion-de-aluminio-7021\/","title":{"rendered":"Aleaci\u00f3n de aluminio 7021"},"content":{"rendered":"

What Is 7021 Aluminum?<\/h2>\n

7021 aluminum is a high-strength, weldable 7xxx series alloy primarily alloyed with zinc and magnesium, with a copper addition for strength. It is engineered for structural applications that demand high strength, good weldability, and reasonable corrosion resistance. While not as strong as 7075, 7021 offers a better balance of weldability and strength, making it a preferred choice for welded structures in transport and aerospace. Linsy supplies 7021 as sheet, tube, bar, and wire with mill test certificates on every order.<\/p>\n

Available 7021 Aluminum Products<\/h2>\n

Sheet \/ Plate<\/h3>\n

Templetes disponibles:<\/strong> T6, T651<\/p>\n\n\n\n
Temple<\/th>\nEspesor (mm)<\/th>\nAnchura (mm)<\/th>\nLongitud (mm)<\/th>\n<\/tr>\n
T6, T651<\/td>\n0.5 \u2013 150<\/td>\n500 \u2013 2600<\/td>\n500 \u2013 16000 (corte a medida)<\/td>\n<\/tr>\n<\/table>\n

Tubo<\/h3>\n

Templetes disponibles:<\/strong> T6, T651<\/p>\n\n\n\n
Temple<\/th>\nDi\u00e1metro exterior (mm)<\/th>\nPared (mm)<\/th>\nLongitud (mm)<\/th>\n<\/tr>\n
T6, T651<\/td>\n6 \u2013 300<\/td>\n0.5 \u2013 40<\/td>\n500 \u2013 12000<\/td>\n<\/tr>\n<\/table>\n

Barra \/ Varilla<\/h3>\n

Templetes disponibles:<\/strong> T6, T651<\/p>\n\n\n\n
Temple<\/th>\nDi\u00e1metro (mm)<\/th>\nLongitud (mm)<\/th>\n<\/tr>\n
T6, T651<\/td>\n3 \u2013 300<\/td>\n500 \u2013 12000<\/td>\n<\/tr>\n<\/table>\n

Wire<\/h3>\n

Templetes disponibles:<\/strong> T6, T651<\/p>\n\n\n\n
Di\u00e1metro (mm)<\/th>\nPeso de la bobina<\/th>\nTolerancia<\/th>\n<\/tr>\n
0.8 \u2013 30<\/td>\nM\u00edn. 50 kg<\/td>\n\u00b1 0,02 mm<\/td>\n<\/tr>\n<\/table>\n

Especificaciones y denominaciones equivalentes<\/h2>\n

7021 aluminum (EN AW-7021, AlZn5.5Mg1.5) is supplied to common wrought-alloy specifications. Typical standards by form: ASTM B209 (sheet and plate), ASTM B221 (extruded tube, bar, and profiles), ASTM B211 (bar and rod), and ASTM B313 (welded tube). Forging stock follows ASTM B247. Always confirm the exact specification and temper with our team for your order.<\/p>\n

Composici\u00f3n qu\u00edmica<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Elemento<\/th>\nPorcentaje (%)<\/th>\n<\/tr>\n
Si<\/td>\n0.40 m\u00e1x.<\/td>\n<\/tr>\n
Fe<\/td>\n0,50 m\u00e1x.<\/td>\n<\/tr>\n
Cu<\/td>\n1.2 - 2.0<\/td>\n<\/tr>\n
Mn<\/td>\n0.10 \u2013 0.40<\/td>\n<\/tr>\n
Mg<\/td>\n1.2 - 1.8<\/td>\n<\/tr>\n
Cr<\/td>\n0.10 \u2013 0.25<\/td>\n<\/tr>\n
Zn<\/td>\n5.0 - 6.0<\/td>\n<\/tr>\n
Ti<\/td>\n0,10 m\u00e1x.<\/td>\n<\/tr>\n
Zr<\/td>\n0,10 m\u00e1x.<\/td>\n<\/tr>\n
Otros (cada uno)<\/td>\n0.05<\/td>\n<\/tr>\n
Otros (total)<\/td>\n0.15<\/td>\n<\/tr>\n
Al<\/td>\nSaldo<\/td>\n<\/tr>\n<\/table>\n

Propiedades mec\u00e1nicas seg\u00fan el estado de templado<\/h2>\n\n\n\n\n
Temple<\/th>\nResistencia a la tracci\u00f3n (MPa)<\/th>\nL\u00edmite el\u00e1stico (MPa)<\/th>\nAlargamiento (%)<\/th>\nResistencia al cizallamiento (MPa)<\/th>\n<\/tr>\n
T6<\/td>\n470<\/td>\n420<\/td>\n10<\/td>\n150 \u2013 340<\/td>\n<\/tr>\n
T651<\/td>\n470<\/td>\n420<\/td>\n10<\/td>\n150 \u2013 340<\/td>\n<\/tr>\n<\/table>\n

Los valores son t\u00edpicos para la condici\u00f3n indicada. Una raya (\u2014) significa que el valor no estaba disponible en los datos de origen; confirme con el certificado de f\u00e1brica. Los valores con asterisco son estimaciones pendientes de verificaci\u00f3n \u2014 consulte el informe de auditor\u00eda.<\/p>\n

Gu\u00eda para la selecci\u00f3n del temple<\/h2>\n
    \n
  • T6<\/strong> \u2014 Solution heat-treated and artificially aged; primary structural temper.<\/li>\n
  • T651<\/strong> \u2014 Stress-relieved T6 for improved machining stability.<\/li>\n<\/ul>\n

    Caracter\u00edsticas principales<\/h2>\n

    High strength with weldability<\/h3>\n

    Stronger than 7020 while remaining weldable for fabricated structures.<\/p>\n

    Buena resistencia<\/h3>\n

    Suitable for load-bearing welded assemblies.<\/p>\n

    Reasonable corrosion resistance<\/h3>\n

    Adequate for internal and coated external service.<\/p>\n

    Tratable t\u00e9rmicamente<\/h3>\n

    Precipitation hardening delivers the specified strength.<\/p>\n

    Aplicaciones<\/h2>\n
      \n
    • Welded transport structures<\/li>\n
    • Automotive structural members<\/li>\n
    • Aerospace welded assemblies<\/li>\n
    • Crane and lifting equipment<\/li>\n
    • General high-strength fabrications<\/li>\n<\/ul>\n

      Notas sobre el procesamiento y el acabado superficial<\/h2>\n

      Linsy laser-cuts and CNC-machines 7021, and welds it with qualified MIG\/TIG procedures. For exterior service, anodizing or painting is recommended. Post-weld heat treatment can be discussed with our engineers to recover strength.<\/p>\n

      Documentaci\u00f3n de calidad e inspecci\u00f3n<\/h2>\n

      Linsy es un proveedor de aluminio con sede en Shenzhen con m\u00e1s de 20 a\u00f1os de experiencia. Nuestro sistema de calidad est\u00e1 certificado seg\u00fan ISO 9001, ISO 14001 e ISO 45001. Cada pedido se env\u00eda con un certificado de prueba de f\u00e1brica (MTC). Los informes de pruebas de terceros SGS est\u00e1n disponibles bajo solicitud. El plazo de entrega t\u00edpico para pedidos personalizados es de 10 a 60 d\u00edas, seg\u00fan el temple, tama\u00f1o y cantidad.<\/p>\n

      Why Choose Linsy for 7021 Aluminum<\/h2>\n
        \n
      • F\u00e1brica en Shenzhen con m\u00e1s de 20 a\u00f1os sirviendo a compradores aeroespaciales, automotrices y de ingenier\u00eda general<\/li>\n
      • Amplia gama de formas: chapa, placa, bobina, tubo, barra, alambre, perfil y stock de forja<\/li>\n
      • Mecanizado CNC, corte por l\u00e1ser, soldadura TIG\/MIG y anodizado \/ pulido \/ recubrimiento en polvo bajo un mismo techo<\/li>\n
      • Certificado de prueba de f\u00e1brica con cada pedido; informes SGS bajo solicitud<\/li>\n
      • Operaciones certificadas ISO 9001 \/ ISO 14001 \/ ISO 45001<\/li>\n<\/ul>\n

        Recursos relacionados<\/h2>\n

        Para lectura m\u00e1s profunda sobre selecci\u00f3n y fabricaci\u00f3n de la serie 7xxx, consulte nuestras gu\u00edas sobre selecci\u00f3n de aleaciones de aluminio y soldadura de aleaciones de la serie 7000. (Enlaces internos que se conectar\u00e1n a art\u00edculos publicados del blog de Linsy).<\/p>\n

        7021 Aluminum FAQ<\/h2>\n

        Is 7021 better than 7020 for welding?<\/h3>\n

        7021 is stronger and still weldable, but 7020 generally has the edge in weldability and corrosion. Choose 7021 when you need more strength in a welded build.<\/p>\n

        What tempers are offered?<\/h3>\n

        T6 and T651 are the standard tempers. T651 reduces residual stress for machining.<\/p>\n

        Does 7021 come with certification?<\/h3>\n

        Cada pedido se env\u00eda con un MTC, y los informes de pruebas de terceros SGS est\u00e1n disponibles bajo solicitud.<\/p>\n

        How long is typical lead time?<\/h3>\n

        Custom orders typically ship in 10\u201360 days depending on temper, size, and quantity.<\/p>\n

        Preguntas frecuentes generales sobre pedidos<\/h2>\n

        \u00bfCu\u00e1l es el plazo de entrega habitual?<\/h3>\n

        Los pedidos personalizados de aluminio suelen enviarse en 10 a 60 d\u00edas, seg\u00fan la aleaci\u00f3n, temple, tama\u00f1o y cantidad. Las existencias o tama\u00f1os est\u00e1ndar pueden ser m\u00e1s r\u00e1pidos \u2014 consulte a nuestro equipo.<\/p>\n

        \u00bfPuedo obtener un certificado de prueba de f\u00e1brica?<\/h3>\n

        S\u00ed. Cada pedido incluye un MTC. Los informes de pruebas de terceros SGS est\u00e1n disponibles bajo solicitud.<\/p>\n

        \u00bfOfrecen mecanizado y acabado?<\/h3>\n

        S\u00ed. Proporcionamos mecanizado CNC, corte por l\u00e1ser, soldadura, anodizado, pulido y recubrimiento en polvo para que las piezas puedan entregarse m\u00e1s cerca de su forma final.<\/p>\n

        \u00bfC\u00f3mo solicito un presupuesto?<\/h3>\n

        Env\u00ede su aleaci\u00f3n, temple, dimensiones, cantidad y norma requerida. Nuestro equipo confirmar\u00e1 disponibilidad, plazo de entrega y precio.<\/p>","protected":false},"excerpt":{"rendered":"

        7021 aluminum is a high-strength, weldable 7xxx series alloy primarily alloyed with zinc and magnesium, with a copper addition for strength. It is engineered for structural applications that demand high strength, good weldability, and reasonable corrosion resistance. While not as strong as 7075, 7021 offers a better balance of weldability and strength, making it a preferred choice for welded structures in transport and aerospace. Linsy supplies 7021 as sheet, tube, bar, and wire with mill test certificates on every order.<\/p>\n

        \nFormularios disponibles:<\/strong> sheet \/ plate, tube, bar \/ rod, wire
        \nTemperamentos habituales:<\/strong> T6, T651
        \nAsistencia t\u00e9cnica:<\/strong> Mecanizado CNC, corte por l\u00e1ser, soldadura TIG\/MIG, anodizado, pulido, recubrimiento en polvo
        \nDocumentos de calidad:<\/strong> Informe MTC con cada pedido<\/p>","protected":false},"featured_media":8081,"template":"","meta":{"_seopress_titles_title":"7021 Aluminum Alloy \u2014 Sheet, Bar & Wire | Linsy Aluminum","_seopress_titles_desc":"7021 (AlZn5.5Mg1.5) is a high-strength weldable 7xxx alloy from Linsy, balancing strength and weldability for welded structural components.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":""},"product_brand":[],"product_cat":[90,99],"product_tag":[],"class_list":["post-8064","product","type-product","status-publish","has-post-thumbnail","product_cat-7000-series-aluminum-alloys","product_cat-most-popular-aluminum-grade","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/es\/wp-json\/wp\/v2\/product\/8064","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/premiumalu.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/es\/wp-json\/wp\/v2\/media\/8081"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/es\/wp-json\/wp\/v2\/media?parent=8064"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/premiumalu.com\/es\/wp-json\/wp\/v2\/product_brand?post=8064"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/premiumalu.com\/es\/wp-json\/wp\/v2\/product_cat?post=8064"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/es\/wp-json\/wp\/v2\/product_tag?post=8064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}