C93700 High-lead tin bronze B584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C93700
Previous Designation：B 144-3A
Commercial Designation: 80-10-10
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：78.0~82.0
Tin：9.0~11.0
Lead:8.0~11.0
Zinc: 0.8
Iron: 0.15
Nickelincl.Cobalt: 1.0
Antimony: 0.50
Residual Elements
Sulfur: 0.08
Phosphorus: 0.15
Aluminum: 0.005
Silicon: 0.005
Mechanical Requirements
Tensile Strength,min
ksi: 30
MPa: 207
Yield Strength,ᴬ min
ksi: 12
MPa: 83
Elongation in 2 in.or 50 mm, min, %: 15
Keywords
copper alloy castings; copper-base alloy castings; sand castings