Electrode Manufacturing
Metallic |
|
COPPER TUNGSTEN
- Diameters
- Tubes
- Rolled Sheets
- Roto-Tube
Copper Tungsten Specifications: |
|
| RWMA GROUP B |
CLASS 10 |
CLASS 11 |
NOMINAL COMPOSITION
% WEIGHT |
30% COPPER
70% TUNGSTEN |
25% COPPER
75% TUNGSTEN |
| ROCKWELL HARDNESS |
90B |
94B |
ELECTRICAL CONDUCTIVITY
% IACS |
50 |
48 |
ULTIMATE TENSILE
STRENGTH (PSI) |
85,000 |
90,000 |
CROSS BREAKING
STRENGTH (PSI) |
140,000 |
150,000 |
| DENSITY GMS/CC |
14.18 |
14.70 |
| THERMAL EXPANSION |
10.77 |
10.22 |
| THERMAL CONDUCTIVITY |
2.01 |
1.89 |
| SPECIFIC HEAT |
214 |
201 |
ELECTRICAL RESISTIVITY
MICRO-OHM-CM AT 20 |
3.45 |
3.59 |
|
