1.Grade:RP,RPI,HP,SHP,UHP (ISO9001:2008) 2.Diameter:40-600mm or1.6"-24" 3.Length:250-2400mm or10"-96" Nipples:3TPI,4TPI
1.Applications
Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.
2.Programmable properties1.Good electrical conductivity2.High resistance to thermal shock 3.High mechanical strength
3.Grades:
RP, RPI, HP, SHP, UHP
All graphite electrodes are offered with tapered nipples, i.e. 3 or 4 threads per inch, and meet the internationally accepted tolerances as per NEMA CG 1/ IEC 60239 / JIS R7201 standards.
4.Specifications
Item | Unit | Regular-power | Impregnated | ||||||
φ75-130 | φ150-225 | φ250-300 | φ350-500 | φ75-200 | φ250-350 | φ400-500 | |||
Specific Resistance (≤) | E | μ Ω·m | 8.5 | 9 | 9 | 9 | 8 | 8 | 8 |
N | 8 | 8 | 8 | 8 | 7.5 | 7.5 | 7.5 | ||
Bending Strength (≥) | E | MPa | 9.8 | 9.8 | 7.8 | 6.4 | 10 | 9 | 8 |
N | 13 | 13 | 13 | 13 | 15 | 15 | 15 | ||
Elastic Modulus (≤) | E | GPa | 9.3 | 9.3 | 9.3 | 9.3 | 12 | 12 | 12 |
N | 14 | 14 | 14 | 14 | 14 | 14 | 14 | ||
Bulk Density (≥) | E | g/cm3 | 1.58 | 1.52 | 1.52 | 1.52 | 1.58 | 1.58 | 1.58 |
N | 1.63 | 1.63 | 1.68 | 1.68 | 1.68 | 1.68 | 1.68 | ||
C.T.E.(≤)(100-600°C) | E | 10-6/°C | 2.9 | 2.9 | 2.9 | 2.9 | 2.7 | 2.7 | 2.7 |
N | 2.7 | 2.7 | 2.8 | 2.8 | 2.5 | 2.5 | 2.5 | ||
Ash(≤) | % | 0.5 | 0.5 | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 |
Item | Unit | High-power | Super high-power | Ultra high-power | ||||
φ200-400 | φ450-500 | φ350-400 | φ450-500 | φ300-400 | φ450-500 | |||
Specific Resistance(≤) | E | μ Ω·m | 7 | 7.5 | 6.5 | 7 | 6.2 | 6.5 |
N | 6.5 | 6.5 | 6 | 6 | 5.5 | 5.5 | ||
Bending Strength (≥) | E | MPa | 10.5 | 9.8 | 10.5 | 10 | 10.5 | 10 |
N | 15 | 15 | 16 | 16 | 16 | 16 | ||
Elastic Modulus (≤) | E | GPa | 12 | 12 | 13 | 13 | 14 | 14 |
N | 16 | 16 | 17 | 17 | 18 | 18 | ||
Bulk Density (≥) | E | g/cm3 | 1.6 | 1.6 | 1.62 | 1.62 | 1.65 | 1.64 |
N | 1.7 | 1.7 | 1.71 | 1.71 | 1.72 | 1.72 | ||
C.T.E.(≤)(100-600°C) | E | 10-6/°C | 2.4 | 2.4 | 2.2 | 2.2 | 1.5 | 1.5 |
N | 2.2 | 2.2 | 1.8 | 1.8 | 1.4 | 1.4 | ||
Ash(≤) | % | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
High Quality Graphite Electrodes