Graphite Electrode For Steel Making

We are offering Graphite Electrode . Programmable properties
1.Good electrical conductivity
2.High resistance to thermal shock
3.High mechanical strength
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.
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 gcm3
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 gcm3
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