Alloys Handbook
Back to catalog

EN AC-42000

Al Si7Mg

Classic Al-Si7Mg alloy. Base version with moderate impurity content.

Alloy Group
AlSi7Mg
Recyclability
100%

Chemical Composition (%)

Balance is Al
Element Min Max
Si 6.50 7.50
Fe — 0.45
Cu — 0.15
Mn — 0.35
Mg 0.25 0.65
Cr — 0.05
Ni — 0.15
Zn — 0.15
Pb — 0.15
Sn — 0.05
Ti — 0.20
OtherEach — 0.05
OtherTotal — 0.15

Mechanical Properties

Temper Method Rm Rp0.2 A% HBW
T6 Permanent mold 260 220 1 90

Quick Applications

  • Aviation
  • Automotive
  • General engineering

Corrosion Resilience

Overall: Fair to Good
freshwater
Excellent
saltwater
Fair
industrial
Good
acidic
Limited