| Size: | 200-600mm |
|---|---|
| Type: | Graphite Electrodes |
| Carbon Content: | High-Carbon |
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Itme |
Unit |
/mm Norminal diameter (mm) | |||||||||||||||||
Regular Power |
High Power |
Ultra-high Power |
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| 75-130 | 150-225 | 250-300 | 350-450 | 500-800 | 200~400 | 450~500 | 550~700 | 300~400 | 450~500 | 550~650 | 700~800 | ||||||||
HG |
FG | HG |
FG | HG |
FG | HG |
FG | HG |
FG | ||||||||||
| Electrical Resistivity MAX |
Electrode | μΩ·m | 8.5 | 10.0 | 9.0 | 10.5 | 9.0 | 10.5 | 9.0 | 10.5 | 9.0 | 10.5 | 7.0 | 7.5 | 7.5 | 6.2 | 6.3 | 6.0 | 5.8 |
Nipple |
8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 6.3 | 6.3 | 6.3 | 5.3 | 5.3 | 4.5 | 4.3 | |||||||
Flexural strength MIN |
Electrode | MPa | 10.0 | 10.0 | 8.0 | 7.0 | 6.5 | 10.5 | 10.0 | 8.5 | 10.5 | 10.5 | 10.0 | 10.0 | |||||
Nipple |
15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 17.0 | 17.0 | 17.0 | 20.0 | 20.0 | 22.0 | 23.0 | |||||||
| Elastic modulus MIN |
Electrode | GPa | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | |||||
Nipple |
14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 16.0 | 16.0 | 16.0 | 20.0 | 20.0 | 22.0 | 22.0 | |||||||
Bulk density MIN |
Electrode | g/cm3 | 1.58 | 1.53 | 1.53 | 1.53 | 1.52 | 1.60 | 1.60 | 1.60 | 1.67 | 1.66 | 1.66 | 1.68 | |||||
Nipple |
1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 1.72 | 1.72 | 1.72 | 1.74 | 1.75 | 1.78 | 1.78 | |||||||
C.T.E(100ºC-600ºC) MAX |
Electrode | 10-6/ºC |
2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.4 | 2.4 | 2.4 | 1.5 | 1.5 | 1.5 | 1.5 | |||||
Nipple |
2.7 | 2.7 | 2.8 | 2.8 | 2.8 | 2.2 | 2.2 | 2.2 | 1.4 | 1.4 | 1.3 | 1.3 | |||||||
Ash MAX |
Electrode | % | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |||||
Nipple |
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| :YB/T 4088,4089,4090 The above indicators comply with the national black metal industry standard YB/T 4088,4089,4090. |
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| RP | HP | UHP |
| Electrode: Bulk Density≥ 1.56g/cm3 Specific Resistivity≤ 8.5μm Bending Strength≥ 10.0MPa Elastic Modulus≤ 9.3GPa Thermal Expansion Coefficient≤ 2.7x10 -6/°C Ash≤ 0.5% Nipple: Bulk Density≥ 1.68g/cm3 Specific Resistivity≤ 7.0μm Bending Strength≥ 14.0MPa Elastic Modulus≤ 13.7GPa Thermal Expansion Coefficient≤ 2.5 x10 -6/°C Ash≤ 0.5% |
Electrode: Bulk Density≥ 1.65g/cm3 Specific Resistivity≤ 6.5μm Bending Strength≥ 12.0MPa Elastic Modulus≤ 10.0GPa Thermal Expansion Coefficient≤ 2.2x10 -6/°C Ash≤ 0.3% Nipple: Bulk Density≥ 1.74g/cm3 Specific Resistivity≤ 5.5μm Bending Strength≥ 16.0MPa Elastic Modulus≤ 14.0GPa Thermal Expansion Coefficient≤ 2.0 x10 -6/°C Ash≤ 0.3% |
Electrode: Bulk Density≥ 1.68g/cm3 Specific Resistivity≤ 5.8μm Bending Strength≥ 16.0MPa Elastic Modulus≤ 14.0GPa Thermal Expansion Coefficient≤ 1.9x10 -6/°C Ash≤ 0.2% Nipple: Bulk Density≥ 1.76g/cm3 Specific Resistivity≤ 4.5μm Bending Strength≥ 18.0MPa Elastic Modulus≤ 16.0GPa Thermal Expansion Coefficient≤ 1.4 x10 -6/°C Ash≤ 0.2% |
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