C89510 Bismuth selenium brass B 584

C89510 Bismuth selenium brass B 584


Copper Alloy UNS Number.C89510ᴬ (ᴬSelenium 0.5) Selenium copper alloy

Previous Designation

Commercial Designation: sebiloy I

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements



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


C89510 ,Bismuth selenium brass,Environmental protection brass

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