C94800 Nickel-tin bronze +leaded nickel-tin bronze
Copper Alloy UNS Number.：C94800
Previous Designation：B 292-B
Commercial Designation: leaded nickel-tin bronze Grade “B”
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：84.0~89.0
Tin：4.5~6.0
Lead: 0.3~1.0
Zinc: 1.0~2.5
Iron: 0.25
Nickelincl.Cobalt: 4.5~6.0
Antimony: 0.15
Manganese:0.20
Residual Elements
Sulfur: 0.05
Phosphorus: 0.05
Aluminum: 0.005
Silicon: 0.005
Mechanical Requirements
Tensile Strength,min
ksi: 40
MPa: 276
Yield Strength,ᴬ min
ksi: 20
MPa: 138
Elongation in 2 in.or 50 mm, min, %: 20
Keywords
copper alloy castings; copper-base alloy castings; sand castings