Copper Alloy PB2 Bronze Bushings

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Copper Alloy PB2 Bronze Bushings

Applications Lubricated parts with high load, impact and coupling. Serrated parts of high request. Crowns, Gears, Bearings, Shirts, Nuts, Screws, Worm, Swinging, Friction Rings and Nuts, Connecting Rod Bushings, Presses, Cranes, etc. Tin bronze alloys are typically found in gears, high strength bushings and bearing applications where high strength and low speeds and heavy loads are present. Other high strength applications for these alloys are pump impellers, piston rings, steam fittings and valve bodies.
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  • Description
  • Technical Specification

features

The CuSn12-based alloy stands out for its excellent hardness, toughness, wear resistance, corrosion and elasticity properties. They need to have good lubrication, which allows them to work with high specific loads.

 

Since welding is carried out in a very short range and at a high temperature, tension during welding and cooling should be avoided.

 

Tin bronze castings, such as the susn12 alloy, are used in components of mobile bridges, turntables for bridges and other structures for fixed and expansion bearings with slow or intermittent movement with heavy loads.

Chemical composition

%
Cu
Nickel
P
Pb
Sn
Zn
Al
Fe
S
Sb
Others
Si

Min.

 

-

-

-

11

-

-

-

-

-

-

-

Max.

Remainder

0,5

0,3

0,5

13

0,5

0,005

0,15

0,05

0,2

-

0,005

This alloy conforms to BS 1400 PB2