C89520 Bismuth selenium brass B 584

C89520 Bismuth selenium brass B 584

(CENT, INVEST, SAND)

Copper Alloy UNS Number.C89520ᴮ(ᴮSelenium 0.9)

Previous Designation

 Commercial Designation:  sebiloy II

Chemical  RequirementsComposition% 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

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