C87300 Silicon bronze +silicon brass B 584

C87300 Silicon bronze +silicon brass B 584

(CENT, INVEST, SAND)

Copper Alloy UNS Number.C87300

Previous DesignationB 198-12A

Commercial Designation: silicon bronze

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:94.0 min

Tin:0.20

Lead: 0.25

Iron: 0.20

Manganese:0.8~1.5

Silicon:3.6~5.0

 

Mechanical Requirements

Tensile Strength,min

ksiᴮ: 45

MPaᶜ: 310

Yield Strength,ᴬ min

ksiᴮ: 18

MPaᶜ: 124

Elongation in 2 in.or 50 mm, min, %:20

Keywords

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

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