C92200 Tin bronze + leaded tin bronze B 584

(CENT, INVEST, SAND)

Copper Alloy UNS Number.C92200

Previous DesignationB 143-2A

 Commercial Designation: steam or valve bronze-Navy “M”

Chemical  RequirementsComposition% Max Except as Indicated

Major Elements

Copper:86.0~90.0

Tin:5.5~6.5

Lead:1.0~2.0

Zinc: 3.0~5.0

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:34

MPa: 234

Yield Strength,ᴬ min

ksi: 16

MPa: 110

Elongation in 2 in.or 50 mm, min, %: 22

Keywords

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

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