Lead Tin Bronze

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C93200 (SAE 660RG7) Leaded Tin Bronzeis considered the "standard" bearing material for light duty. Thealloy hasexcellent machining properties, good hardness, strength and wear resistancewith excellent antifriction qualities. Typical applications include bearings, washers, bushings, automotivefittings,Main Spindle Bearings, Machine ToolBearings, Bearings for Cranes, Trunion Bearings, Roll Neck Bearings, RollingMill Bearings, , Fuel Pump Bushings, Water Pump Bushings, Diesel Engine WristPin Bushings, Forging Press Toggle Lever Bearings, Hydraulic Press StuffingBox, Hydraulic Press Main Lining, Pump Impellers, General Purpose Bushings,Fittings, Pump Fixtures, Insert Bearings, and so on.

Chemical Composition

Cu

Sn

Pb

Zn

Fe

Ni

Sb

P

S

Al

Mn

Si

81.00-85.00

6.30-7.50

6.00-8.00

2.00-4.00

0.2

1.00†

0.35

1.5

0.08

0.005

N/A

0.005

 

Mechanical Properties

Tensile Strength (min)

Yield Strength (at .5% extention under load min)

Elongation (in 2in. or 50mm min, %)

Brinell Hardness (min)

Remarks

Ksi

MPa

Ksi

MPa

35

241

20

138

10

65

 

 

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FAX:0086-573-84616977

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