C89520 Bismuth selenium brass B 584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C89520ᴮ(ᴮSelenium 0.9)
Previous Designation：
Commercial Designation: sebiloy II
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：85.0~87.0
Tin：5.0~6.0
Lead: 0.25
Zinc: 4.0~6.0
Iron: 0.20
Nickelincl.Cobalt: 1.0
Bismuth: 1.6~2.2
Selenium: 0.8~1.1
Antimony: 0.25
Residual Elements
Sulfur: 0.08
Phosphorus: 0.05
Aluminum: 0.005
Silicon: 0.005
Mechanical Requirements
Tensile Strength,min
ksiᴮ: 25
MPaᶜ: 176
Yield Strength,ᴬ min
ksiᴮ: 17
MPaᶜ: 120
Elongation in 2 in.or 50 mm, min, %: 6
Keywords
copper alloy castings; copper-base alloy castings; sand castings