GCuAl10Ni5Fe4铜合金ChemicalCompositionCuSnPbZnFeNiAlMn78.00minN/AN/AN/A3.00-5.003.00-5.5010.00-11.503.5MechanicalPropertiesTensileStrength(min)YieldStrength(at.5%extentionunderloadmin)Elongation(in2in.or50mmmin,%)BrinellHardness(min)RemarksKsiMPaKsiMPa956554229010150)