CuZn39Sn1 (CW719R)

 

The addition of tin improves the corrosion resistance, especially in the sea water.
Chemical compound %
Agent
Cu
Al
Fe
Mn
Ni
Pb
Si
Sn
Zn
Other
Mass-volume g/cm3
Mini:

 59,0

-

-

-

-

-

-

0,5

Reste

-

8,4
Maxi:

61,0

-

0,1

-

0,2

0,2

-

1,0

-

0,2

 

Mechanical properties of bars for die forging (EN 12165) :
State
Nominal size of the straight section
Hardness
Tensile strength

Rm

N/mm˛ approx.
Conventional elastic limit at 0,2 %

Rp0,2

N/mm˛ approx.
Stretching

 A%

approx.

Diameter mm

Size on flat mm
from
until and included
from
until and included
HB min.
HV min.

M

All sizes

 

 

  

 

 

H080

6

80

6

60

80

85

(350)

(160)

(15)

 

Mechanical properties of sections and rectangular bars (EN 12167):
State
Sizes
Tensile strength Rm N/mm² min.
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching A %
Hardness
Section
Rectangular bars thickness mm
> at
< or =
HB min.
HV min

M

All

All

 

 

 

 

 

R460

-

-

6

460

(300)

(8)

-

-

H120

-

-

6

-

-

-

120

125

R410

-

6

60

410

(200)

(10)

-

-

H100

-

6

60

-

-

-

100

105