C92300 Tin bronze + leaded tin bronze B 584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C92300
Previous Designation：B 143-2B
Commercial Designation: 87-5-1-4, Navy PC
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：85.0~89.0
Tin：7.5~9.0
Lead:0.30~1.0
Zinc: 2.5~5.0
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:36
MPa: 248
Yield Strength,ᴬ min
ksi: 16
MPa: 110
Elongation in 2 in.or 50 mm, min, %: 18
Keywords
copper alloy castings; copper-base alloy castings; sand castings