C97800 Leaded nickel bronze B584
Copper Alloy UNS Number.：C97800
Previous Designation：B 149-11B
Commercial Designation: 25 % leaded nickel silver
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：64.0~67.0
Tin：4.0~5.5
Lead: 1.0~2.5
Zinc: 1.0~4.0
Iron: 1.5
Nickelincl.Cobalt: 24.0~27.0
Antimony: 0.20
Manganese:1.0
Residual Elements
Sulfur: 0.08
Phosphorus: 0.05
Aluminum: 0.005
Silicon: 0.15
Mechanical Requirements
Tensile Strength,min
ksi: 50
MPa: 345
Yield Strength,ᴬ min
ksi: 22
MPa:152
Elongation in 2 in.or 50 mm, min, %: 10
Keywords
copper alloy castings; copper-base alloy castings; sand castings