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Grade :

    CuSn4Pb4Zn4

    Number:

    CW456K

    Classification:

    Copper-tin alloy

 

                    Chemical composition %   of grade   CuSn4Pb4Zn4   ( CW456K )

 

Fe

Ni

P

Pb

Zn

Sn

Te

Others

-

max   0.1

max   0.2

0.01 - 0.4

3.5 - 4.5

3.5 - 4.5

3.5 - 4.5

max   0.2

total 0.2

Cu - remainder

 

                    Mechanical properties of grade   CuSn4Pb4Zn4   ( CW456K )

 

Rm - Tensile strength (MPa) (R450)

450

Rp0.2 0.2% proof strength (MPa) (R450)

350

A - Min. elongation at fracture (%) (R450)

10

A - Min. elongation Lo = 100mm (%) (R450)

6

 

  Brinell hardness   (HB):   (R450)

150