Grade :

    CuZn39Pb1Al-B

    Number:

    CB754S

    Classification:

    Copper-zinc alloy

Fe

Si

Mn

Ni

P

Al

Cu

Pb

Sn

-

max   0.7

max   0.05

max   0.5

max   1

max   0.02

0.1 - 0.8

58 - 62

0.5 - 2.4

max   1

Zn - remainder; Cu including Ni

Rm - Tensile strength (MPa) (GS)

220

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

280

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

80

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

120

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

15

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

10

  Brinell hardness   (HBW):   (GS)

65

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

70