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C90300

C90300 tin bronze (SAE620) is relatively hard and has high ductility. The main function of tin is to strengthen these bronze alloys. Comprehensive performance with high load capacity, good wear resistance and impact resistance. Typical applications are bearings, bushings, piston rings, valve parts, sealing rings, auto parts and gears.


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Technical Parameter

Chemical composition:

Cu

Sn

Pb

Zn

Fe

Ni

Sb

P

S

Al

Mn

Si

86.00-89.00

7.50-9.00

0.3

3.00-5.00

0.2

1

0.2

1.5

0.05

0.005

N/A

0.005


Mechanical property:

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




44

303

22

152

18

70