Grade :

    CuSn6Zn4Pb2-B

    Number:

    CB498K

    Classification:

    Copper-tin-lead alloy

Fe

Si

Ni

P

S

Al

Cu

Pb

Zn

Sb

Sn

-

max   0.25

max   0.01

max   1

max   0.03

max   0.08

max   0.01

86 - 89.5

1.2 - 2

3.2 - 5

max   0.25

5.7 - 6.5

Cu including Ni

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

220

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

240

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

110

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

110

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

15

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

12

  Brinell hardness   (HBW):   (GS)

65

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

70