CuCr1Zr (CW106C)

 

With an important mechanical characteristics with a very good electrical conductibility, good resistance to high temperatures, that alloy is used for the manufacturing of the electrodes of electrical resistance welding of the mild and coated steel.

Trading as round, flat and hexagonal bars and plates.

 

Chemical compound %

Agent
Cu
Be
Co
Cr
Fe
Mn
Ni
Pb
Si
Zr
Other
Mass-volume g/cm3
Mini:

 Reste

-

-

0,5

-

-

-

-

-

0,03

-

8,9

Maxi:

-

-

-

1,2

0,08

-

-

-

0,1

0,3

0,2

 

 

Mechanical properties of forging 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.

H110*

110

(360)

(270)

(15)

* Annealing of solution treatment and precipitation hardened

 

Mechanical properties of bars for general usings (EN 12163):
State
Implementation
Diameter or size/flats mm
Tensile strength Rm N/mm² min.
Conventional elastic limit at 0,2 Rp0,2 N/mm²
Stretching
Hardness
from
more than
until
A100mm % min.
A11,3 % min.
A % min.
HB min.
HB max.
HV min.
HV max.

M

 

4

-

80

-

-

-

-

-

-

 -

-

-

 R2002

 

8

 -

 80

 200

 (60)

 -

-

30

 -

 -

 -

 -

H0652

 

8

-

80

-

-

-

-

-

65

90

70

95

R4405

 

4

-

25

440

(350)

-

9

10

-

-

-

-

R4205

 

-

25

50

420

(330)

-

-

12

-

-

-

-

R4005

 

-

50

80

400

(310)

-

-

12

-

-

-

-

H1355

 

4

-

80

-

-

-

-

-

135

180

140

185

R4705

 

4

-

25

470

(380)

-

7

8

-

-

-

-

R4505

 

-

25

50

450

(360)

-

-

10

-

-

-

-

H1505

 

4

-

50

-

-

-

-

-

150

-

155

-

2 Treated for solution treatment

5 Treated for solution treatment, cold working and precipitation hardening

 

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

Rm

N/mm² approx.
Conventional elastic limit at 0,2 %

Rp0,2

N/mm² 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

 

 

  

 

 

H0502

6

80

6

60

50

50

(250)

(150)

(20)

H1053

105

110

(370)

(300)

(15)

2 Without age hardening

3 With age hardening

 

Mechanical properties of wires (EN 12166):
State
Diameter
Tensile strength Rm N/mm²
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

-

-

-

-

-

-

-

-

R3604

2,0

-

10,0

360

460

(270)

11

13

15

-

-

H1304

2,0

-

10,0

-

-

-

-

-

-

130

160

R4406

2,0

-

10,0

440

540

(400)

8

9

10

-

-

H1656

2,0

-

10,0

-

-

-

-

-

-

165

195

R4707

2,0

-

10,0

470

570

(440)

5

7

8

-

-

H1707

2,0

-

10,0

-

-

-

-

-

-

170

200

4 Treated for solution treatment and cold working

5 Treated for solution treatment and age hardening

6 Traité pour mise en solution, déformation à froid et durcissement structural

7 Treated for solution treatment, cold working and age hardening and cold working

 

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

 

 

 

 

 

R2005

-

3

60

200

(60)

(30)

-

-

H0655

-

3

60

-

-

-

65

70

R3603

-

3

30

360

(250)

(15)

-

-

H1053

-

3

30

-

-

-

105

110

R4204

-

3

30

420

(350)

(8)

-

-

H1204

-

3

30

-

-

-

120

125

3 Treated for solution treatment and precipitation hardening

4 Treated for solution treatment, cold working and precipitation hardening

5 Treated for solution treatment