C92200 Tin bronze + leaded tin bronze B 584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C92200
Previous Designation：B 143-2A
Commercial Designation: steam or valve bronze-Navy “M”
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：86.0~90.0
Tin：5.5~6.5
Lead:1.0~2.0
Zinc: 3.0~5.0
Iron: 0.25
Nickelincl.Cobalt: 1.0
Antimony: 0.25
Residual Elements
Sulfur: 0.05
Phosphorus: 0.05
Aluminum: 0.005
Silicon: 0.005
Mechanical Requirements
Tensile Strength,min
ksi:34
MPa: 234
Yield Strength,ᴬ min
ksi: 16
MPa: 110
Elongation in 2 in.or 50 mm, min, %: 22
Keywords
copper alloy castings; copper-base alloy castings; sand castings