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 -

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