C93700 High-lead tin bronze B584

C93700 High-lead tin bronze B584

(CENT, INVEST, SAND)

Copper Alloy UNS Number.C93700

Previous DesignationB 144-3A

 Commercial Designation: 80-10-10

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:78.0~82.0

Tin:9.0~11.0

Lead:8.0~11.0

Zinc: 0.8

Iron: 0.15

Nickelincl.Cobalt: 1.0

Antimony: 0.50

Residual Elements

Sulfur: 0.08

Phosphorus: 0.15

Aluminum: 0.005

Silicon: 0.005

Mechanical Requirements

Tensile Strength,min

ksi: 30

MPa: 207

Yield Strength,ᴬ min

ksi: 12

MPa: 83

Elongation in 2 in.or 50 mm, min, %: 15

Keywords

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

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