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EN AC-45300

Al Si5Cu1Mg

High-strength heat-treatable alloy. Alternative to AlSi7Mg.

Alloy Group
AlSiCu
Recyclability
100%

Chemical Composition (%)

Balance is Al
Element Min Max
Si 4.50 5.50
Fe 0.55
Cu 1.00 1.50
Mn 0.55
Mg 0.40 0.65
Cr 0.05
Ni 0.25
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 270 220 3 90

Quick Applications

  • Suspension parts
  • Brackets

Corrosion Resilience

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