C89510 Bismuth selenium brass B 584
(CENT, INVEST, SAND)
Copper Alloy UNS Number.：C89510ᴬ (ᴬSelenium 0.5) Selenium copper alloy
Previous Designation：
Commercial Designation: sebiloy I
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements ：
Copper：86.0~88
Tin：4.0~6.0
Lead: 0.25
Zinc: 4.0~6.0
Iron: 0.30
Nickelincl.Cobalt: 1.0
Bismuth: 0.5~1.5
Selenium: 0.35~0.70
Antimony: 0.25
Residual Elements
Sulfur: 0.08
Phosphorus: 0.05
Aluminum: 0.005
Silicon: 0.005
Mechanical Requirements
Tensile Strength,min
ksiᴮ: 26
MPaᶜ: 184
Yield Strength,ᴬ min
ksiᴮ: 17
MPaᶜ: 120
Elongation in 2 in.or 50 mm, min, %: 8
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