C93200 High-lead tin bronze B584

C93200 High-lead tin bronze B584

(CENT, INVEST, SAND)

Copper Alloy UNS Number.C93200

Previous DesignationB 144-3B

 Commercial Designation: 83-7-7-3

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:81.0~85.0

Tin:6.3~7.5

Lead:6.0~8.0

Zinc: 2.0~4.0

Iron: 0.20

Nickelincl.Cobalt: 1.0

Antimony: 0.35

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: 14

MPa: 97

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

Keywords

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

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