C93200 High-lead tin bronze B584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C93200
Previous Designation：B 144-3B
Commercial Designation: 83-7-7-3
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：81.0~85.0
Tin：6.3~7.5
Lead:6.0~8.0
Zinc: 2.0~4.0
Iron: 0.20
Nickelincl.Cobalt: 1.0
Antimony: 0.35
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: 14
MPa: 97
Elongation in 2 in.or 50 mm, min, %: 15
Keywords
copper alloy castings; copper-base alloy castings; sand castings