Carbon Electrode
Item |
Unit |
S-Grade Carbon Electrode |
G-Grade Carbon Electrode |
||||
Nominal Diameter(mm) | |||||||
500-700 | 750-960 | 1020-1400 | 500-700 | 750-960 | 1020-1400 | ||
Bulk Density |
g/cm3 | ≥1.55 | ≥1.55 | ≥1.55 | ≥1.58 | ≥1.58 | ≥1.58 |
Resistance | μΩ.m | ≤45 | ≤45 | ≤45 | ≤38 | ≤38 | ≤40 |
Bending Strength |
MPa | 3.5-7.5 | 3.5-7.5 | 3.5-7.0 | 4.0-7.5 | 4.0-7.5 | 4.0-7.5 |
Compressive Strength | MPa | ≥20.0 | ≥20.0 | ≥19.0 | ≥20.0 | ≥20.9 | ≥19.0 |
CTE | 10-6/℃ | 3.2-4.8 | 3.2-4.8 | 3.2-4.8 | 3.0-4.6 | 3.0-4.6 | 3.0-4.6 |
Ash | % | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.0 | ≤0.2 | ≤0.2 |
Diameter (mm) |
S-Grade Carbon Electrode |
G-Grade Carbon Electrode |
||
Allowable Current Load (A) |
Current Density (A/CM2) |
Allowable Current Load (A) |
Current Density (A/CM2) |
|
780 | 31500 | 6.6 | 36200 | 7.6 |
800 | 33100 | 6.6 | 38100 | 7.6 |
850 | 37400 | 6.6 | 43100 | 7.6 |
870 | 38000 | 6.4 | 43900 | 7.4 |
900 | 40600 | 6.4 | 47000 | 7.4 |
920 | 42500 | 6.4 | 49100 | 7.4 |
960 | 46300 | 6.4 | 53500 | 7.4 |
1005 | 49900 | 6.3 | 57000 | 7.2 |
1020 | 50600 | 6.2 | 57900 | 7.1 |
1060 | 54600 | 6.2 | 62600 | 7.1 |
1100 | 57900 | 6.1 | 66400 | 7.0 |
1146 | 62800 | 6.1 | 72100 | 7.0 |
1205 | 69500 | 6.1 | 79800 | 7.0 |
1250 | 71100 | 5.8 | 82200 | 6.7 |
1272 | 73700 | 5.8 | 85100 | 6.7 |
1305 | 74900 | 5.6 | 86900 | 6.5 |
1321 | 76600 | 5.6 | 88900 | 6.5 |
1355 | 77700 | 5.4 | 89400 | 6.2 |
1400 | 80000 | 5.2 | 92300 | 6.0 |