Grade :

    CuSn7Zn2Pb3-C

    Number:

    CC492K

    Classification:

    Copper-tin-lead alloy

Fe

Si

Ni

P

S

Al

Cu

Pb

Zn

Sb

Sn

-

max   0.2

max   0.01

max   2

max   0.1

max   0.1

max   0.01

85 - 89

2.5 - 3.5

1.5 - 3

max   0.25

6 - 8

Cu including Ni

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

230

Rm - Tensile strength (MPa) (GZ)

260

Rm - Tensile strength (MPa) (GC)

270

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

130

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

130

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

130

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

14

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