CuCr1 (CW105C)

 

Good conductivity and good resistance to high temperatures. Used for the electrodes of electrical resistance welding.
Chemical compound %
Agent
Cu
Be
Co
Cr
Fe
Mn
Ni
Pb
Si
Zr
Other
Mass-volume g/cm3
Mini:

 Reste

-

-

0,5

-

-

-

-

-

-

-

8,9

Maxi:

-

-

-

1,2

0,08

-

-

-

0,1

-

0,2

-

 

Mechanical properties of bars for general usings (EN 12163):

State
Implementation
Diameter or size/flats mm
Tensile strength Rm N/mm˛ 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 age 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/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

 

 

  

 

 

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 sections and rectangular bars (EN 12167):

Etat
Sizes
Tensile strength Rm N/mm˛ 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