Material

 ZCuZn40pb2

ZH58-2-1-1

ZQAL10-3-1.5

Semiproduct

Centrifugal casting

Centrifugal casting

Centrifugal casting

Semiproduct condition

Not heat-treated

Not heat-treated

Not heat-treated

Chemical composition (%):                                                              

Cu

58-63

57-60.5

scrap

Pb

0.5-2.5

0-0.5

0-0.3

Al

0.2-0.8

0.5-1.5

9.0-11.0

Fe

0-0.8

0.5-1.0

2.0-4.0

Ni

_

_

_

Sn

0-1.0

_

0-0.1

Mn

_

1.0-2.5

1.0-2.0

Si

0-0.05

_

0-0.1

Sb

_

0-0.010

0-0.05

Bi

_

0-0.003

_

P

_

0-0.02

_

Zn

scrap

scrap

_

Mechanical performance:

Tensile strength

>280Mpa

>540Mpa

Tensibility    

>20%

>20%

>20%

Hardness

HBS 885

HRB>50

HBS 1175