{"id":9046,"date":"2025-09-01T05:34:24","date_gmt":"2025-09-01T05:34:24","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&p=9046"},"modified":"2026-07-08T15:01:13","modified_gmt":"2026-07-08T15:01:13","slug":"tube-carre-en-aluminium-7075","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/fr\/produit\/tube-carre-en-aluminium-7075\/","title":{"rendered":"Tube carr\u00e9 en aluminium 7075-O\/T6\/T651\/T73\/T7351"},"content":{"rendered":"

What Is 7075 Aluminum Square Tube?<\/h2>\n

7075 aluminum square tube delivers one of the highest strength-to-weight ratios among aluminum hollow sections, with zinc as the primary alloying element. Linsy supplies 7075 square tube in T6, T651 and T7351 tempers for aircraft structures, fixtures and high-load frames where dimensional stability and rigidity are critical. The T6\/T651 tempers give maximum strength; T7351 improves resistance to stress-corrosion cracking for structural use in corrosive environments. 7075 is not marine-grade \u2014 confirm with our team for seawater exposure.<\/p>\n

Produits disponibles en aluminium 7075<\/h2>\n

Tube carr\u00e9 en aluminium 7075<\/h3>\n\n\n\n\n
Side (mm)<\/th>\nParoi (mm)<\/th>\nLongueur (mm)<\/th>\nTemp\u00e9rer<\/th>\n<\/tr>\n
10 \u2013 300<\/td>\n1 \u2013 30<\/td>\nup to 16,000<\/td>\nO, T6, T651, T7351<\/td>\n<\/tr>\n
Custom sizes available on request<\/td>\n\u2014<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n<\/table>\n

Sp\u00e9cifications et d\u00e9signations \u00e9quivalentes<\/h2>\n

7075 square tube is supplied to ASTM B221 and AMS standards where applicable, with GB\/T and EN references on request. EN AW designation: EN AW-7075.<\/p>\n

Composition chimique<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u00c9l\u00e9ment<\/th>\nContenu (%)<\/th>\n<\/tr>\n
Si<\/td>\n0,40 max<\/td>\n<\/tr>\n
Fe<\/td>\n0,50 max<\/td>\n<\/tr>\n
Cu<\/td>\n1.2 - 2.0<\/td>\n<\/tr>\n
Mn<\/td>\n0,30 max<\/td>\n<\/tr>\n
Mg<\/td>\n2.1 - 2.9<\/td>\n<\/tr>\n
Cr<\/td>\n0.18 - 0.28<\/td>\n<\/tr>\n
Zn<\/td>\n5.1 - 6.1<\/td>\n<\/tr>\n
Ti<\/td>\n0,20 max<\/td>\n<\/tr>\n
Zr<\/td>\n0.05 - 0.25<\/td>\n<\/tr>\n
Autres (chacun)<\/td>\n0,05 max<\/td>\n<\/tr>\n
Autres (total)<\/td>\n0,15 max<\/td>\n<\/tr>\n
Al<\/td>\n\u00c9quilibre<\/td>\n<\/tr>\n<\/table>\n

Propri\u00e9t\u00e9s m\u00e9caniques selon le traitement thermique<\/h2>\n\n\n\n\n\n\n
Temp\u00e9rer<\/th>\nR\u00e9sistance \u00e0 la traction (MPa)<\/th>\nLimite d'\u00e9lasticit\u00e9 (MPa)<\/th>\nElong. (%)<\/th>\n<\/tr>\n
O<\/td>\n230<\/td>\n105<\/td>\n10 min<\/td>\n<\/tr>\n
T6<\/td>\n570<\/td>\n505<\/td>\n11<\/td>\n<\/tr>\n
T651<\/td>\n570<\/td>\n505<\/td>\n11<\/td>\n<\/tr>\n
T7351<\/td>\n505<\/td>\n435<\/td>\n11<\/td>\n<\/tr>\n<\/table>\n

Guide de s\u00e9lection des temp\u00e9raments<\/h2>\n

T6 \/ T651<\/strong> \u2014 peak strength for frames and fixtures. T7351<\/strong> \u2014 better stress-corrosion resistance for outdoor or corrosive service. 7075 is not marine-grade.<\/p>\n

Caract\u00e9ristiques principales<\/h2>\n

High Strength-to-Weight<\/h3>\n

Strongest aluminum hollow section for mass-critical structures.<\/p>\n

Stabilit\u00e9 dimensionnelle<\/h3>\n

Uniform properties across the section after stress-relief (T651).<\/p>\n

Soudabilit\u00e9 limit\u00e9e<\/h3>\n

Prefer mechanical fastening over fusion welding.<\/p>\n

Applications<\/h2>\n

Aircraft structures, molds and dies, high-stress machine frames, fasteners and fittings, defense and sporting goods.<\/p>\n

Remarques concernant le traitement et la finition de surface<\/h2>\n

CNC machining and laser cutting are supported; anodizing with sealant is advised for corrosion service.<\/p>\n

Documents relatifs \u00e0 la qualit\u00e9 et contr\u00f4le qualit\u00e9<\/h2>\n

Every order ships with an MTC. SGS third-party test reports available on request. Linsy holds ISO 9001, ISO 14001 and ISO 45001.<\/p>\n

Why Choose Linsy for 7075 Square Tube<\/h2>\n

Linsy Aluminum is a Shenzhen-based supplier with 20+ years of experience across the 1000\u20138000 series. We custom-cut and finish 7075 square tube with MTC documentation per order. Typical custom lead time is 10\u201360 days.<\/p>\n

Ressources connexes<\/h2>\n

Explore these in-depth guides from our technical library:<\/p>\n