C83800 Leaded red brass B 584

C83800 Leaded red brass B 584

(CENT, INVEST, SAND)

Copper Alloy UNS Number.C83800

Previous DesignationB 145-4B

Commercial Designation: commercial red brass,83-4-6-7

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:82.0~83.8

Tin:3.3~4.2

Lead:5.0~7.0

Zinc:5.0~8.0

Iron:0.30

Nickelincl.Cobalt:1.0ᴬ

Antimony:0.25

Residual  Elements

Sulfur0.08

Phosphorus0.03

Aluminum0.005

Silicon :0.005

Mechanical Requirements

Tensile Strength,min

ksiᴮ:30

MPaᶜ:207

Yield Strength,ᴬ min

ksiᴮ:13

MPaᶜ:90

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

Keywords

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

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