CHEMICAL
REQUIREMENT  |
 |
Copper (inc silver)
|
99.85% Min |
Phosphorous
|
0.013 to 0.05% |
Total Impurities
|
0.060%
Max |
|
| |
| PHYSICAL
REQUIREMENT |
|
Temper
|
Tensile strength kg/mm2
Min
|
%
Elongation on 5.65 A Min |
Annealed
|
21.5
|
33 |
As Manufactured
|
23.5
|
13 |
|
| |
| USES
- House hold general purpose. |
|
 |
|
| |
| 2)
CADMIUM COPPER RODS (C 108) |
| |
| CHEMICAL
REQUIREMENT |
|
Copper (inc silver)
|
98. 5% |
Cadmium
|
0.5 to 1.2% |
|
| |
| PHYSICAL
REQUIREMENT |
|
Tensile strength
|
35 kg/mm2 Min |
Elongation 4 D
|
8%
Min |
Electrical
|
80
Min % I.A.C.S |
Conductivity at 20 C
|
|
|
| |
| USES
- Electrical
holder for resistance welding machines arc
- Furnaces, Electrodes for spot seam welding
of aluminium alloys, commutatobras, spring,
contact, switch gear components & other
equipments requiring high conductivity with
strength and resistance to wear. |
