Grade :

    CuZn34Mn3Al2Fe1-B

    Number:

    CB764S

    Classification:

    Copper-zinc alloy

Fe

Si

Mn

Ni

P

Al

Cu

Pb

Sb

Sn

-

0.8 - 2

max   0.08

1 - 3.5

max   2.7

max   0.02

1.5 - 3

55 - 65

max   0.2

max   0.05

max   0.3

Zn - remainder; Cu including Ni

Rm - Tensile strength (MPa) (GS)

600

Rm - Tensile strength (MPa) (GM)

600

Rm - Tensile strength (MPa) (GZ)

620

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

250

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

260

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

260

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

15

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

10

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

14

  Brinell hardness   (HBW):   (GS)

140

  Brinell hardness   (HBW):   (GM)

140

  Brinell hardness   (HBW):   (GZ)

150