C87400 Silicon bronze +silicon brass B 584

C87400 Silicon bronze +silicon brass B 584


Copper Alloy UNS Number.C87400

Previous DesignationB 198-13A

Commercial Designation: silicon brass

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:79.0 min

Lead: 1.0

Zinc: 12.0~16.0

Aluminum :0.80



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


copper alloy castings; copper-base alloy castings; sand castings

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