C94900 Nickel-tin bronze +leaded nickel-tin bronze
Copper Alloy UNS Number.：C94900
Previous Designation：
Commercial Designation: leaded nickel-tin bronze Grade “C”
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：79.0~81.0
Tin：4.0~6.0
Lead: 4.0~6.0
Zinc: 4.0~6.0
Iron: 0.30
Nickelincl.Cobalt: 4.0~6.0
Antimony: 0.25
Manganese:0.10
Residual Elements
Sulfur: 0.08
Phosphorus: 0.05
Aluminum: 0.005
Silicon: 0.005
Mechanical Requirements
Tensile Strength,min
ksi: 38
MPa: 262
Yield Strength,ᴬ min
ksi: 15
MPa: 103
Elongation in 2 in.or 50 mm, min, %: 15
Keywords
copper alloy castings; copper-base alloy castings; sand castings