7A05-T3

Aluminum

7A05 (GB/T 3190)

7A05-T3 supplied by Shanxi Youte Steel (jlhsteel.net).

Chemical Composition (%)

ZN	4
MG	1.6
CU	0.3
MN	0.2
ZR	0.1

Chinese Standard

T 3190

Equivalent Standards

LC5

Applications

Aerospace, automotive, construction, packaging, electrical.

Available Forms

Sheet, Plate, Bar, Extrusion, Foil, Tube, Wire

Uses

Aluminium alloy with good strength-to-weight ratio, corrosion resistance and recyclability. Copper (≈0.5%) raises strength and hardness via precipitation hardening. Used in transport, aerospace, packaging, building and electrical applications.

Heat Treatment

Heat-treatable variants solution treated 470–540 °C and aged (T4/T6); non-heat-treatable grades are strain-hardened. Anneal 340–415 °C.

Precautions

Use sharp, high-rake tooling and appropriate coolants; galling/adhesive wear can occur. Titanium reacts with hydrogen and chlorine — keep out of pickling/HCl environments.

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