CuZn37Pb1Sn1 (CW714R)

 

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

 59,0

-

-

-

-

0,4

-

0,5

Reste

-

8,4
Maxi:

61,0

-

0,1

-

0,3

1,0

-

1,0

-

0,2

 

Mechanical properties of bars for screw cutting (EN 12164) :
State
Nominal size of the straight section
Tensile strength Rm N/mm˛ min.
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching
Hardness

HB ou HV

approx

Diameter mm

Size on flat mm
from
more than
until and included
from
more than
until and included
A100mm % min.
A11,3 % min.
A % min.

M

2

-

80

2

-

60

 

 

 

 

 

 

R390

12

-

25

10

-

20

390

(240)

-

-

18

(120)

R370

-

25

50

-

20

40

370

(220)

-

-

22

(110)

R360

-

50

80

-

40

60

360

(200)

-

-

25

(110)

R410

2

-

50

2

-

40

410

(250)

12

15

18

(125)

R460

2

-

25

2

-

20

460

(350)

6

8

10

(140)

R500

2

-

12

2

-

10

500

(400)

(2)

(3)

5

(160)

 

Mechanical properties of cored bars for screw cutting (EN 12168) :
State
Nominal thickness of the walls mm.
Hardness
Tensile strength
Conventional elastic limit at 0,2%
Stretching
HB
HV
Rm N/mm² approx.
Rp0,2 N/mm² approx.
A % approx.
until and included
more than
min.
max.
min.
max.
M
All
Untreated
H125
10
-
125
175
135
185
(410)
(250)
(18)
H110
-
10
110
160
120
170
(370)
(220)
(22)

 

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 wires (EN 12166) :
State
Diameter
Tensile strength Rm N/mm˛
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching
Hardness HV
from
more than
until
min.
Max.
A100mm % min.
A11,3 % min.
A % min.
min.
max.

M

All sizes

-

-

-

-

-

-

-

-

R350

0,1

-

20,0

350

450

-

15

18

20

-

-

H100

0,1

-

20,0

-

-

-

-

-

-

100

130

R400

1,5

-

8,0

400

-

-

10

13

-

-

-

H120

1,5

-

8,0

-

-

-

-

-

-

120

-

 

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