Aluminum Alloy Specifications

Flexability - Versitility - Design Complexity

Below are three different tables for various aluminum alloy specifications. The first table provides information on the mechanical properties of three different die-cast aluminum alloys, including tensile and yield strength. The second table indicates the physical properties of the same alloys, including density and electrical conductivity. The final table provides the actual chemical breakdown and the aluminum alloy specifications.

Mechanical Properties

Specific Alloys

Properties	343 AL	360 AL	383 AL
Tensile Strength (ksi)	35	44	45
Yield Strength (ksi)	20	25	22
Elongation (% in 2")	6	4	3.5
Shear Strength (ksi)	--	28	--
Hardness (Brinell)	--	75	75

Physical Properties

Specific Alloys

Properties	343 AL	360 AL	383 AL
Density (lb./ci)	--	0.095	0.099
Melting Point (°F)	--	1105	1080
Electrical Conductivity (%IACS)	--	29	23
Coefficient of Thermal Expansion (68-212°F) (µin/in/°F x 10E-6)	--	11.6	11.7

ASTM Chemical Specifications (% by weight)

Specific Alloys

Properties	343 AL	360 AL	383 AL
Zn	1.2 to 1.9	0.1 max.	3.0 max.
Mg	.01 max.	0.4 to 0.6	0.1 max
Cu	0.5 to 0.9	0.6 max.	2.0 to 3.0
Fe	0.9 max.	2.0 max.	1.3 max.
Cr	0.1 max.	--	0.15 max.
Si	6.7 to 7.7	9.0 to 10.0	9.5 to 11.5
Mn	0.5 max.	0.1 max.	0.5 max.
Sn	0.5 max.	0.1 max.	0.15 max.
Ni	--	0.5 max.	0.3 max
Al	Remainder	Remainder	Remainder

Besides aluminum alloy specifications we provide information on other alloys

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