C94800 Nickel-tin bronze +leaded nickel-tin bronze

C94800 Nickel-tin bronze +leaded nickel-tin bronze

Copper Alloy UNS Number.C94800

Previous DesignationB 292-B

 Commercial Designation: leaded nickel-tin bronze Grade “B”

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:84.0~89.0

Tin:4.5~6.0

Lead: 0.3~1.0

Zinc: 1.0~2.5

Iron: 0.25

Nickelincl.Cobalt: 4.5~6.0

Antimony: 0.15

Manganese:0.20

Residual Elements

Sulfur: 0.05

Phosphorus: 0.05

Aluminum: 0.005

Silicon: 0.005

Mechanical Requirements

Tensile Strength,min

ksi: 40

MPa: 276

Yield Strength,ᴬ min

ksi: 20

MPa: 138

Elongation in 2 in.or 50 mm, min, %: 20

Keywords

copper alloy castings; copper-base alloy castings; sand castings

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