C83800 Leaded red brass B 584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C83800
Previous Designation：B 145-4B
Commercial Designation: commercial red brass,83-4-6-7
Chemical Requirements（Composition，% 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
