C84400 Leaded semi-red brass B584

C84400 Leaded semi-red brass B584

(CENT, INVEST, SAND)

 

Copper Alloy UNS Number.C84400

Previous DesignationB 145-5A

Commercial Designation: valve composition, 81-3-7-9

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:78.0~82.0

Tin:2.3~3.5

Lead:6.0~8.0

Zinc:7.0~10.0

Iron:0.40

Nickelincl.Cobalt:1.0ᴬ

Antimony:0.25

Residual  Elements

Sulfur0.08

Phosphorus0.02

Aluminum0.005

Silicon :0.005

 

Mechanical Requirements

Tensile Strength,min

ksiᴮ:29

MPaᶜ:200

Yield Strength,ᴬ min

ksiᴮ:13

MPaᶜ:90

Elongation in 2 in.or 50 mm, min, %:18

Keywords

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

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