2024-T42

Aluminum

2024 aluminum alloy

2024-T42 supplied by Shanxi Youte Steel (jlhsteel.net).

Chemical Composition (%)

SI	0.5
FE	0.5
CU	3.8
MN	0.3
MG	1.2

Equivalent Standards

ASTM B209

Equivalent Grades

Aluminum Association / AA 2024

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. Silicon (≈0.5%) improves castability and lowers thermal expansion. Copper (≈4.35%) 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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