390.0-F

Aluminum

390.0 cast aluminum

390.0-F supplied by Shanxi Youte Steel (jlhsteel.net).

Chemical Composition (%)

SI	16
CU	4
MG	0.45
FE	1.3
ZN	0.5

Equivalent Standards

AA 390.0 / ASTM B85

Equivalent Grades

Aluminum Association

Applications

Aerospace, automotive, construction, packaging, electrical.

Available Forms

Castings, Sand, Die

Uses

Aluminium alloy with good strength-to-weight ratio, corrosion resistance and recyclability. Silicon (≈17%) improves castability and lowers thermal expansion. Copper (≈4.5%) 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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