C87400 Silicon bronze +silicon brass B 584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.:C87400
Previous Designation:B 198-13A
Commercial Designation: silicon brass
Chemical Requirements(Composition,% Max Except as Indicated)
Major Elements:
Copper:79.0 min
Lead: 1.0
Zinc: 12.0~16.0
Aluminum :0.80
Silicon:2.5~4.0
Mechanical Requirements
Tensile Strength,min
ksiᴮ: 50
MPaᶜ: 345
Yield Strength,ᴬ min
ksiᴮ: 21
MPaᶜ: 145
Elongation in 2 in.or 50 mm, min, %:18
Keywords
copper alloy castings; copper-base alloy castings; sand castings