Grade :

    CuSn5Pb20-B

    Number:

    CB497K

    Classification:

    Copper-tin-lead alloy

Fe

Si

Mn

Ni

P

S

Al

Cu

Pb

Zn

Sb

Sn

-

max   0.2

max   0.01

max   0.2

0.5 - 2.5

max   0.1

max   0.08

max   0.01

70 - 77.5

19 - 23

max   2

max   0.75

4.2 - 6

Cu including Ni

Rm - Tensile strength (MPa) (GS)

150

Rm - Tensile strength (MPa) (GC)

180

Rm - Tensile strength (MPa) (GZ)

170

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

70

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

90

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

80

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

5

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

7