Grade :

    CuZn25Al5Mn4Fe3-B

    Number:

    CB762S

    Classification:

    Copper-zinc alloy

Fe

Si

Mn

Ni

P

Al

Cu

Pb

Sb

Sn

-

1.5 - 3.5

max   0.08

3 - 5

max   2.7

max   0.02

4 - 7

60 - 66

max   0.2

max   0.03

max   0.2

Zn - remainder; Cu including Ni

Rm - Tensile strength (MPa) (GS)

750

Rm - Tensile strength (MPa) (GZ) or (GC)

750

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

450

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

480

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

8

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

5

  Brinell hardness   (HBW):   (GS)

180

  Brinell hardness   (HBW):   (GZ) or (GC)

190