C87500 Silicon bronze +silicon brass B 584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C87500
Previous Designation：B 198-13B
Commercial Designation: silicon brass
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：79.0 min
Lead: 0.50
Zinc: 12.0~16.0
Aluminum ：0.50
Silicon：3.0~5.0
Mechanical Requirements
Tensile Strength,min
ksiᴮ: 60
MPaᶜ: 414
Yield Strength,ᴬ min
ksiᴮ: 24
MPaᶜ: 165
Elongation in 2 in.or 50 mm, min, %:16
Keywords
copper alloy castings; copper-base alloy castings; sand castings
