C92300 Tin bronze + leaded tin bronze B 584

C92300 Tin bronze + leaded tin bronze B 584

(CENT, INVEST, SAND)

Copper Alloy UNS Number.C92300

Previous DesignationB 143-2B

Commercial Designation: 87-5-1-4, Navy PC

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:85.0~89.0

Tin:7.5~9.0

Lead:0.30~1.0

Zinc: 2.5~5.0

Iron: 0.25

Nickelincl.Cobalt: 1.0

Antimony: 0.25

Residual Elements

Sulfur: 0.05

Phosphorus: 0.05

Aluminum: 0.005

Silicon: 0.005

Mechanical Requirements

Tensile Strength,min

ksi:36

MPa: 248

Yield Strength,ᴬ min

ksi: 16

MPa: 110

Elongation in 2 in.or 50 mm, min, %: 18

Keywords

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

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