Grade :

    CuZn35Mn2Al1Fe1-B

    Number:

    CB765S

    Classification:

    Copper-zinc alloy

Fe

Si

Mn

Ni

P

Al

Cu

Pb

Sb

Sn

-

0.5 - 1.8

max   0.1

0.5 - 2.5

max   6

max   0.02

0.7 - 2.2

56 - 64

max   0.5

max   0.08

max   0.8

Zn - remainder; Cu including Ni

Rm - Tensile strength (MPa) (GS)

450

Rm - Tensile strength (MPa) (GM)

475

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

500

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

170

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

200

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

200

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

20

  Brinell hardness   (HBW):   (GS) or (GM)

110

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

120