CuZn39Pb2 (CW612N)

 

Good workability , good cold workability.

 

Chemical compound %

Agent
Cu
Al
As
Fe
Mn
Ni
Pb
Sn
Zn
Other
Mass-volume g/cm3
Mini:

 59,0

-

-

-

-

-

1,6

-

Reste

-

8,4
Maxi:

60,0

0,05

-

0,3

-

0,3

2,5

0,3

-

0,2

 

Mechanical properties of forged parts (EN 12420) :
State
Hardness HB min.
Tensile strength Rm N/mm² min.
Conventional elastic limit at 0,2Rp0,2 N/mm² min.
Stretching A % min.

M

-

-

-

-

H075

75

(340)

(110)

(20)

H080

80

(360)

(120)

(20)

 

Mechanical properties of plates, sheets and coils (EN1652) :
State
Thickness
Tensile strength Rm N/mm˛
Conventional elastic limit at 0,2 Rp0,2 N/mm² .
Stretching
Hardness HV
From
to
min.
max.
A50mm ep < or = 2,5
A ep > 2,5
min.
max.

 R360

 0,3

5

360

440

(max. 270)

30

40

-

-

 H090

 0,3

 5

-

-

-

-

-

90

120

R420

0,3

5

420

500

(min. 270)

12

20

-

-

H120

0,3

5

-

-

-

-

-

120

150

R490

0,3

5

490

570

(min. 420)

5

9

-

-

H150

0,3

5

-

-

-

-

-

150

180

R560

0,3

2

560

-

(min. 510)

-

-

-

-

H175

0,3

2

-

-

-

-

-

175

-

 

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

 

 

 

 

 

 

R380

6

-

40

5

-

35

380

(160)

-

16

20

(90)

R360

-

40

80

-

35

60

360

(150)

-

-

25

(90)

R410

2

-

40

2

-

35

410

(250)

10

12

15

(120)

R490

2

-

6

2

-

5

490

(370)

(4)

6

-

(140)

R590

-

6

14

-

5

10

490

(370)

-

6

8

(140)

R550

2

-

6

2

-

5

550

(420)

-

-

-

(150)

 

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
H110
10
-
110
160
120
170
(410)
(250)
(15)
H090
-
10
90
140
100
150
(360)
(150)
(25)

 

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)

(140)

(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

-

-

-

-

-

-

-

-

R400

0,5

-

1,5

400

-

(200)

-

-

-

-

-

R400

-

1,5

4,0

400

-

(200)

10

-

-

-

-

H110

1,5

-

4,0

-

-

-

-

-

-

110

140

R390

-

4,0

8,0

390

-

(180)

-

15

-

-

-

R380

-

8,0

20,0

380

-

(180)

-

-

20

-

-

H100

-

4,0

20,0

-

-

-

-

-

-

100

130

R450

0,5

-

1,5

450

-

(300)

-

-

-

-

-

R440

-

1,5

4,0

440

-

(300)

8

-

-

-

-

H130

1,5

-

4,0

-

-

-

-

-

-

130

160

R430

-

4,0

8,0

430

-

(300)

-

10

-

-

-

R420

-

8,0

20,0

420

-

(300)

-

-

15

-

-

H120

-

4,0

20,0

-

-

-

-

-

-

120

155

R500

0,5

-

1,5

500

-

(400)

-

-

-

-

-

R500

-

1,5

4,0

500

-

(400)

4

-

-

-

-

H150

1,5

-

4,0

-

-

-

-

-

-

150

180

R490

-

4,0

8,0

490

-

(400)

-

5

-

-

-

R480

-

8,0

14,0

480

-

(400)

-

-

8

-

-

H140

-

4,0

14,0

-

-

-

-

-

-

140

170

R570

1,5

-

4,0

570

-

(520)

-

-

-

-

-

H165

1,5

-

4,0

-

-

-

-

-

-

165

-

 

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

(320)

(8)

-

-

H120

-

-

6

-

-

-

120

125

R410

-

6

60

410

(190)

(20)

-

-

H105

-

6

60

-

-

-

105

110

 

Average physical and mechanical properties (for information only):
Average physical properties:
Liquidus temperature (°C)
Solidus temperature (°C)
Solidification range (°C)
Mass-volume at 20°C (kg/dm3)
Linear expansion coefficient (10-6/°C)
895
880
15
8,45
20
Massive heat capacity at 20°C (J/kg.K)
Heat conductivity at 20°C (W/m.K)
Electrical conductivity at 20°C (%IACS)
Electrical resistivity at 20° C (10-8 W.m)
Coefficient of resistivity temperature from 0 to 100°C (10-3°C)
376
117
27
6,4
1,6
Average mechanical properties:
Young's modulus (MPA)
Modulus of twisting (MPA)
Poisson's ratio
Annealing
Strain aging
Annealing
Strain aging
-
96000
-
35000
± 0,35