A356 Aluminum Alloy

Chemical Composition

Element Symbol Average Preferred Range %
Manganese Mn 0.05
Silicon Si 6.5-7.5
Magnesium Mg 0.35
Copper Cu 0.1
Zinc Zn 0.1
Iron Fe 0.2
Titanium Ti 0.2
Aluminum Al Balance

Mechanical Properties

Property Metric Values Imperial Values
Tensile Strength Min 240 MPa 34.8 ksi
Yield Strength Min 190 MPa 27.6 ksi
Elongation Min % 6% 6%
Hardness (Brinell) 75HB 75HB

Comparative Specifications

ASTM: A356

Afnor: A-S7G

GB (Chinese Standard): ZL104

SAE / DIN: 323 / G-AlSi7Mg

EN (EU/US): 42000

BS (British Standard): BS 1490 LM25

ISO (International) / UNS: Al-Si7Mg / A13560

Applicable Casting Processes