Alloys Handbook
Back to catalog

EN AC-43200

Al Si10Mg(Cu)

Similar to AlSi10Mg but with copper added for increased hardness and machinability.

Alloy Group
AlSi10Mg
Recyclability
100%

Chemical Composition (%)

Balance is Al
Element Min Max
Si 9.00 11.00
Fe — 0.55
Cu 0.30 0.35
Mn — 0.55
Mg 0.25 0.45
Cr — 0.05
Ni — 0.15
Zn — 0.35
Pb — 0.10
Sn — 0.05
Ti — 0.15
OtherEach — 0.05
OtherTotal — 0.15

Mechanical Properties

Temper Method Rm Rp0.2 A% HBW
T6 Permanent mold 280 240 1 100

Quick Applications

  • Parts requiring machining
  • Loaded housings

Corrosion Resilience

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