C85200 Leaded yellow brass B584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C85200
Previous Designation：B 146-6A
Commercial Designation: high-copper yellow brass
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：70.0~74.0
Tin：0.7~2.0
Lead:1.5~3.8
Zinc:20.0~27.0
Iron:0.60
Nickelincl.Cobalt:1.0
Antimony:0.20
Residual Elements：
Sulfur：0.05
Phosphorus:0.02
Aluminum:0.005
Silicon :0.05
Mechanical Requirements
Tensile Strength,min
ksiᴮ:35
MPaᶜ:241
Yield Strength,ᴬ min
ksiᴮ:12
MPaᶜ:83
Elongation in 2 in.or 50 mm, min, %:25
Keywords
copper alloy castings; copper-base alloy castings; sand castings