Nominal compositions of aluminum foundry alloys

▪ Table

Nominal compositions of aluminum foundry alloys

alloy elements (percent)

designation casting

process* Si Cu  Mg others** applications

  208.0 S   3.0 4.0 general purpose

  213.0 P   2.0 7.0 cylinder heads, timing gears

  242.0 S, P 4.0   1.5 2.0 Ni cylinder heads, pistons

  295.0 S   1.1 4.5 general purpose

B295.0 P   2.5 4.5 general purpose

  308.0 P   5.5 4.5 general purpose

  319.0 S, P   6.0 3.5 engine parts, piano plates

A332.0 P 12.0 1.0   1.0 2.5 Ni pistons, sheaves

F332.0 P   9.5 3.0   1.0 pistons, elevated temperatures

  333.0 P   9.0 3.5   0.3 engine parts, meter housings

  355.0 S, P   5.0 1.3   0.5 general; high strength, pressure tightness

  356.0 S, P   7.0   0.3 intricate castings; good strength, ductility

  360.0 D   9.5   0.5 2.0 Fe max marine parts, general purpose

  380.0 D   8.5 3.5 2.5 Fe max general purpose

A413.0 D 12.0 large intricate parts

  443.0 D   5.3 2.0 Fe max carburetors, fittings, cooking utensils

B443.0 S, P   5.3 0.8 Fe max general purpose

  514.0 S   4.0 hardware, tire molds, cooking utensils

  520.0 S 10.0 aircraft fittings

A712.0 S 0.5   0.7 6.5 Zn general purpose

*S, sand-cast; P, permanent-mold-cast; D, pressure die-cast.

**Aluminum and impurities constitute the remainder.

See as table:

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