| Grade : | Cu-OF |
| Number: | CW008A |
| Classification: | Unalloyed copper |
| Density | 8.9 g/cm ³ |
| Standard: | EN 13601: 2002 Copper and copper alloys. Copper rod, bar and wire for general electrical purposes EN 13600: 2002 Copper and copper alloys. Seamless copper tubes for electrical purposes EN 13602: 2002 Copper and copper alloys. Drawn, round copper wire for the manufacture of electrical conductors EN 1652: 1998 Copper and copper alloys. Plate, sheet, strip and circles for general purposes EN 1976: 1998 Copper and copper alloys. Cast unwrought copper products EN 13599: 2002 Copper and copper alloys. Copper plate, sheet and strip for electrical purposes EN 13605: 2002 Copper and copper alloys. Copper profiles and profiled wire for electrical purposes EN 12165: 1998 Copper and copper alloys. Wrought and unwrought forging stock EN 12420: 1999 Copper and copper alloys. Forgings EN 13148: 2001 Copper and copper alloys. Hot-dip tinned strip |
| Equivalent grades: | Go here |
Chemical composition % of grade Cu-OF ( CW008A )
| Cu including Ag < 0.015% |
| Cu | Pb | Bi | Others |
| min 99.95 | max 0.005 | max 0.0005 | total 0.03 |
Mechanical properties of grade Cu-OF ( CW008A )
| Rm - Tensile strength (MPa) (R240) | 240-300 |
| Rm - Tensile strength (MPa) (R290) | 290-360 |
| Rp0.2 0.2% proof strength (MPa) (R240) | 180 |
| Rp0.2 0.2% proof strength (MPa) (R290) | 250 |
| A - Min. elongation at fracture (%) (R240) | 15 |
| A - Min. elongation at fracture (%) (R290) | 6 |
| A - Min. elongation Lo = 50mm (%) (R240) | 8 |
| A - Min. elongation Lo = 50mm (%) (R290) | 4 |
| Vickers hardness ( HV): (H065) | 65 - 95 |
| Vickers hardness ( HV): (H090) | 90 - 110 |
Properties Cu-OF
| Volume resistivity = 0.01724 - 0.01786 Ω*mm²/m ; |
Equivalent grades of grade Cu-OF ( CW008A )
Warning! Only for reference
| EU EN |
Germany DIN,WNr |
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| Cu-OF |
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Casting process
| GS | Sand casting |
| GM | Permanent mould casting |
| GZ | Centrifugal casting |
| GC | Continuous casting |
| GP | Pressure die casting |
Material conditions
| R | Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements |
| H | Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements |
Mechanical properties
| ReH | Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale |
| Rm | Tensile strength / Zugfestigkeit / Resistance a la traction |
| A | Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal |
| J | Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc |
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Cu-OF ( CW008A ) Unalloyed copper |
