Cu-OF (CW008A)

 

Copper with a very high purity, electrical and electronic usings, good weldability.

High conductivity. Does not embrittle when it is heated in reducing atmosphere.

 

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

-