{"id":8067,"date":"2025-02-23T15:06:44","date_gmt":"2025-02-23T15:06:44","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&p=8067"},"modified":"2026-07-08T15:01:15","modified_gmt":"2026-07-08T15:01:15","slug":"7055-aluminiumlegierung","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/de\/produkt\/7055-aluminiumlegierung\/","title":{"rendered":"7055 Aluminium-Legierung"},"content":{"rendered":"

What Is 7055 Aluminum?<\/h2>\n

7055 aluminum is one of the highest-strength 7xxx series alloys, with very high zinc plus copper, magnesium, and zirconium. It was developed to exceed 7050 and 7075 in compression strength and fatigue performance, especially in thick sections, and is used for the most demanding aerospace structures. The T7751 temper provides an excellent balance of strength and corrosion resistance. Linsy supplies 7055 in plate, tube, bar, and wire with mill test certificates on every order. Composition values below follow the AA standard and should be confirmed against the mill certificate.<\/p>\n

Available 7055 Aluminum Products<\/h2>\n

Platte<\/h3>\n

Verf\u00fcgbare Zust\u00e4nde:<\/strong> F, O, T6, T651, T7451, H112<\/p>\n\n\n\n
Temperament<\/th>\nDicke (mm)<\/th>\nBreite (mm)<\/th>\nL\u00e4nge (mm)<\/th>\n<\/tr>\n
F, O, T6, T651, T7451, H112<\/td>\n0.5 \u2013 200<\/td>\n500 \u2013 2600<\/td>\n500 \u2013 16000 (auf Ma\u00df geschnitten)<\/td>\n<\/tr>\n<\/table>\n

Rohr<\/h3>\n

Verf\u00fcgbare Zust\u00e4nde:<\/strong> T77, T7751<\/p>\n\n\n\n
Temperament<\/th>\n\u00c4u\u00dferer Durchmesser (mm)<\/th>\nWand (mm)<\/th>\nL\u00e4nge (mm)<\/th>\n<\/tr>\n
T77, T7751<\/td>\n6 \u2013 300<\/td>\n0.5 \u2013 40<\/td>\n500 \u2013 12000<\/td>\n<\/tr>\n<\/table>\n

Stange \/ Stab<\/h3>\n

Verf\u00fcgbare Zust\u00e4nde:<\/strong> T77, T7751<\/p>\n\n\n\n
Temperament<\/th>\nDurchmesser (mm)<\/th>\nL\u00e4nge (mm)<\/th>\n<\/tr>\n
T77, T7751<\/td>\n3 \u2013 300<\/td>\n500 \u2013 12000<\/td>\n<\/tr>\n<\/table>\n

Draht<\/h3>\n

Verf\u00fcgbare Zust\u00e4nde:<\/strong> T77, T7751<\/p>\n\n\n\n
Durchmesser (mm)<\/th>\nGewicht der Spule<\/th>\nToleranz<\/th>\n<\/tr>\n
0.8 \u2013 30<\/td>\nMindestens 50 kg<\/td>\n\u00b1 0,02 mm<\/td>\n<\/tr>\n<\/table>\n

Technische Daten und gleichwertige Bezeichnungen<\/h2>\n

7055 aluminum (EN AW-7055, AlZn8MgCuZr) 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), ASTM B247 (forging stock), and ASTM B313 (welded tube). Always confirm the exact specification and temper with our team for your order.<\/p>\n

Chemische Zusammensetzung<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Element<\/th>\nProzentsatz (%)<\/th>\n<\/tr>\n
Si<\/td>\n0,10 max<\/td>\n<\/tr>\n
Fe<\/td>\n0,15 max<\/td>\n<\/tr>\n
Cu<\/td>\n2.0 - 2.6<\/td>\n<\/tr>\n
Mn<\/td>\n0,05 max<\/td>\n<\/tr>\n
Mg<\/td>\n1.8 - 2.3<\/td>\n<\/tr>\n
Cr<\/td>\n0,04 max<\/td>\n<\/tr>\n
Zn<\/td>\n7.6 - 8.4<\/td>\n<\/tr>\n
Ti<\/td>\n0,06 max<\/td>\n<\/tr>\n
Zr<\/td>\n0.08 - 0.25<\/td>\n<\/tr>\n
Sonstige (jeweils)<\/td>\n0.05<\/td>\n<\/tr>\n
Sonstige (insgesamt)<\/td>\n0.15<\/td>\n<\/tr>\n
Al<\/td>\nBilanz<\/td>\n<\/tr>\n<\/table>\n

Mechanische Eigenschaften je nach Temperierung<\/h2>\n\n\n\n\n
Temperament<\/th>\nZugfestigkeit (MPa)<\/th>\nStreckgrenze (MPa)<\/th>\nDehnung (%)<\/th>\nScherfestigkeit (MPa)<\/th>\n<\/tr>\n
T7751<\/td>\n570 \u2013 600<\/td>\n520 \u2013 550<\/td>\n10 \u2013 12<\/td>\n150 \u2013 340<\/td>\n<\/tr>\n
T6 \/ T651<\/td>\n570 \u2013 600<\/td>\n520 \u2013 550<\/td>\n10 \u2013 12<\/td>\n150 \u2013 340<\/td>\n<\/tr>\n<\/table>\n

Values are typical for the T7751 \/ T6 tempers. Composition was corrected to AA 7055 limits (see audit report) and must be confirmed with the mill certificate.<\/p>\n

Leitfaden zur Auswahl der H\u00e4rtung<\/h2>\n
    \n
  • T7751<\/strong> \u2014 Peak overaged temper; primary aerospace choice with strength plus corrosion resistance.<\/li>\n
  • T6 \/ T651<\/strong> \u2014 Peak-aged for maximum strength where corrosion is less critical.<\/li>\n
  • F \/ O<\/strong> \u2014 As-fabricated and annealed conditions for forming before heat treatment.<\/li>\n<\/ul>\n

    Wesentliche Merkmale<\/h2>\n

    Highest strength among common 7xxx<\/h3>\n

    Exceeds 7050 and 7075 in compression and fatigue.<\/p>\n

    Excellent fatigue performance<\/h3>\n

    Holds up under cyclic load in thick sections.<\/p>\n

    Good stress-corrosion resistance (T7751)<\/h3>\n

    Overaging balances strength and corrosion.<\/p>\n

    Poor weldability<\/h3>\n

    Supplied as machined or formed parts.<\/p>\n

    Anwendungen<\/h2>\n
      \n
    • Aerospace wing skins and spars<\/li>\n
    • Military airframe structures<\/li>\n
    • High-performance forgings<\/li>\n
    • Space structures<\/li>\n
    • Racing and performance components<\/li>\n<\/ul>\n

      Hinweise zur Bearbeitung und Oberfl\u00e4chenveredelung<\/h2>\n

      Linsy CNC-machines and laser-cuts 7055, then anodizes or paints for corrosion protection. Welding is not recommended.<\/p>\n

      Qualit\u00e4tsdokumente und Qualit\u00e4tspr\u00fcfung<\/h2>\n

      Linsy ist ein in Shenzhen ans\u00e4ssiger Aluminiumlieferant mit mehr als 20 Jahren Erfahrung. Unser Qualit\u00e4tssystem ist nach ISO 9001, ISO 14001 und ISO 45001 zertifiziert. Jede Bestellung wird mit einem Werkszeugnis (MTC) versandt. SGS-Pr\u00fcfberichte von Dritten sind auf Anfrage erh\u00e4ltlich. Die typische kundenspezifische Vorlaufzeit betr\u00e4gt 10\u201360 Tage, abh\u00e4ngig von Zustand, Abmessung und Menge.<\/p>\n

      Why Choose Linsy for 7055 Aluminum<\/h2>\n
        \n
      • Werk in Shenzhen mit \u00fcber 20 Jahren Erfahrung in der Belieferung von K\u00e4ufern aus der Luft- und Raumfahrt, Automobilindustrie und dem allgemeinen Maschinenbau<\/li>\n
      • Breites Formenspektrum: Blech, Platte, Coil, Rohr, Stange, Draht, Profil und Schmiedevormaterial<\/li>\n
      • CNC-Bearbeitung, Laserschneiden, WIG\/MIG-Schwei\u00dfen sowie Eloxieren \/ Polieren \/ Pulverbeschichten unter einem Dach<\/li>\n
      • Werkszeugnis bei jeder Bestellung; SGS-Berichte auf Anfrage<\/li>\n
      • Nach ISO 9001 \/ ISO 14001 \/ ISO 45001 zertifizierte Betriebsabl\u00e4ufe<\/li>\n<\/ul>\n

        Weiterf\u00fchrende Ressourcen<\/h2>\n

        For deeper reading on 7xxx selection and fabrication, see our guides on aluminum alloy selection, welding 7000-series alloys, and aircraft-grade tempers. (Internal links to be connected to published Linsy blog articles.)<\/p>\n

        7055 Aluminum FAQ<\/h2>\n

        Is 7055 stronger than 7075?<\/h3>\n

        Yes. 7055 is among the strongest commercial 7xxx alloys, with higher compression and fatigue strength, especially in thick sections.<\/p>\n

        Which temper is best for corrosion?<\/h3>\n

        T7751 offers the best balance of strength and stress-corrosion resistance.<\/p>\n

        Is 7055 weldable?<\/h3>\n

        No, it is not a welding grade; design as machined or formed parts.<\/p>\n

        What documents come with the order?<\/h3>\n

        Jede Bestellung wird mit einem MTC versandt, und SGS-Pr\u00fcfberichte von Dritten sind auf Anfrage erh\u00e4ltlich.<\/p>\n

        Allgemeine Fragen zur Bestellung<\/h2>\n

        Wie ist die typische Lieferzeit?<\/h3>\n

        Kundenspezifische Aluminiumbestellungen werden in der Regel innerhalb von 10\u201360 Tagen versandt, abh\u00e4ngig von Legierung, Zustand, Abmessung und Menge. Lagerware oder Standardabmessungen k\u00f6nnen schneller gehen \u2013 fragen Sie unser Team.<\/p>\n

        Kann ich ein Werkszeugnis erhalten?<\/h3>\n

        Ja. Jede Bestellung enth\u00e4lt ein MTC. SGS-Pr\u00fcfberichte von Dritten sind auf Anfrage erh\u00e4ltlich.<\/p>\n

        Bieten Sie Bearbeitung und Oberfl\u00e4chenveredelung an?<\/h3>\n

        Ja. Wir bieten CNC-Bearbeitung, Laserschneiden, Schwei\u00dfen, Eloxieren, Polieren und Pulverbeschichten an, sodass Teile in einem n\u00e4her am Endzustand befindlichen Format geliefert werden k\u00f6nnen.<\/p>\n

        Wie kann ich ein Angebot anfordern?<\/h3>\n

        Senden Sie Ihre Legierung, Ihren Zustand, Ihre Abmessungen, Ihre Menge und die erforderliche Norm. Unser Team wird Verf\u00fcgbarkeit, Vorlaufzeit und Preis best\u00e4tigen.<\/p>","protected":false},"excerpt":{"rendered":"

        7055 aluminum is one of the highest-strength 7xxx series alloys, with very high zinc plus copper, magnesium, and zirconium. It was developed to exceed 7050 and 7075 in compression strength and fatigue performance, especially in thick sections, and is used for the most demanding aerospace structures. The T7751 temper provides an excellent balance of strength and corrosion resistance. Linsy supplies 7055 in plate, tube, bar, and wire with mill test certificates on every order. Composition values below follow the AA standard and should be confirmed against the mill certificate.<\/p>\n

        \nVerf\u00fcgbare Formulare:<\/strong> plate, tube, bar \/ rod, wire
        \nH\u00e4ufige Temperamente:<\/strong> F, H112, O, T6, T651, T7451, T77, T7751
        \nUnterst\u00fctzung bei der Bearbeitung:<\/strong> CNC-Bearbeitung, Laserschneiden, WIG\/MIG-Schwei\u00dfen, Eloxieren, Polieren, Pulverbeschichten
        \nQualit\u00e4tsdokumente:<\/strong> MTC-Bericht bei jeder Bestellung<\/p>","protected":false},"featured_media":8084,"template":"","meta":{"_seopress_titles_title":"7055 Aluminum Alloy \u2014 Plate, Bar & Wire | Linsy Aluminum","_seopress_titles_desc":"7055 (AlZn8MgCuZr) is one of the strongest 7xxx aerospace alloys from Linsy, with top compression and fatigue strength for thick sections.","_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-8067","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\/de\/wp-json\/wp\/v2\/product\/8067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/media\/8084"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/media?parent=8067"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/product_brand?post=8067"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/product_cat?post=8067"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/de\/wp-json\/wp\/v2\/product_tag?post=8067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}