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