Grade :

    CuAl7Si2

    Number:

    CW302G

    Classification:

    Copper-aluminium alloy

Fe

Si

Mn

Ni

Al

Pb

Zn

Sn

Others

-

max   0.3

1.5 - 2.2

max   0.2

max   0.2

6.3 - 7.6

max   0.05

max   0.5

max   0.2

total 0.2

Cu - remainder

Rm - Tensile strength (MPa) (R500)

500

Rm - Tensile strength (MPa) (R600)

600

Rp0.2 0.2% proof strength (MPa) (R500)

250

Rp0.2 0.2% proof strength (MPa) (R600)

350

A - Min. elongation at fracture (%) (R500)

20

A - Min. elongation at fracture (%) (R600)

12

  Brinell hardness   (HB):   (H120)(R500)

120 - 150

  Brinell hardness   (HB):   (H140)(R600)

140