C93800 High-lead tin bronze B584

C93800 High-lead tin bronze B584

(CENT, INVEST, SAND)

Copper Alloy UNS Number.C93800

Previous DesignationB 144-3D

 Commercial Designation: 78-7-15

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:75.0~79.0

Tin:6.3~7.5

Lead: 13.0~16.0

Zinc: 0.8

Iron: 0.15

Nickelincl.Cobalt: 1.0

Antimony: 0.80

Residual Elements

Sulfur: 0.08

Phosphorus: 0.05

Aluminum: 0.005

Silicon: 0.005

Mechanical Requirements

Tensile Strength,min

ksi: 26

MPa: 179

Yield Strength,ᴬ min

ksi: 14

MPa: 97

Elongation in 2 in.or 50 mm, min, %: 12

Keywords

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

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