CW008A / Cu-OF / 2.0040 / C103

C103 Copper wire or 2.0040 (which has as a minimum copper content of 99.95%) is a commercially pure grade of copper that is subject to a special manufacturing process that gives the material an oxygen-free finish. Oxygen free copper ensures high levels of electrical conductivity can be achieved whilst offering a low susceptibility to hydrogen embrittlement when heated in a reducing atmosphere. This makes this type of copper suitable for various types of welding.

Applications

  • Commercial applications for this engineering material include:

    • Electronics
    • Large generators
    • Rotor conductors
    • Transformers & motors
    • Switchgears
    • Vacuum engineering
    • Cables
    • Electrical instruments

Traditional uses for C103 copper include vacuum engineering, electronics, anodes, electrical instruments, rotor conductors for large generators and motors, flexible cables, cords, leads and electrical equipment at elevated temperatures in the presence of reducing gases, switch- gears and switching devices.

Chemical compound %

Agent
Cu
Bi
O
P
Pb
Others
Mass-volume g/cm3
total
not included
Mini:

99,95

–

–

–

–

–

Ag

8,9

Maxi:

–

0,0005

–

–

0,005

0,03

 

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.

 M

–

–

–

–

H045

45

(200)

(40)

(35)

Mechanical properties of plates, sheets and coils for general usings (EN1652):

State
Thickness
Tensile strength Rm N/mm²
Conventional elastic limit at 0,2Rp0,2 N/mm² .
Stretching
Hardness HV
From
to
min.
max.
A50mm ep < or = 2,5
A ep > 2,5
min.
max.

R200

more than 5

200

250

(max. 100)

–

42

–

–

 H040

–

–

–

–

 –

40

65

R220

0,2

5

220

260

(max 140)

33

42

–

–

H040

0,2

5

–

–

–

–

–

40

65

R240

0,2

15

240

300

(min. 180)

8

15

–

–

H065

0,2

15

–

–

–

–

–

65

95

R290

0,2

15

290

360

(min. 250)

4

6

–

–

H090

0,2

15

–

–

–

–

–

90

110

R360

0,2

2

360

–

(min. 320)

2

–

–

–

H110

0,2

2

–

–

–

–

–

110

–

 

Partial part type display:

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