China RP HP Shp UHP Grade Arc Furnace Carbon Graphite Electrode, Find details about China Graphite Electrode, Electrode Block from RP HP Shp UHP Grade Arc Furnace Carbon Graphite Electrode
RP HP UHP Graphite Electrods With Nipple
Grade: RP/HP/UHP
Diameter: 300/350/400/450/500/550/600/700/800mm
Length: 1500-2700mm
Nipple: 3TPI,4TPI
Process production
Application
Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.
Physical and chemical index
Item | Unit | RP | HP | UHP | |||||
300-500 | 550-800 | 300-500 | 550-700 | 300-500 | 550-600 | 700-800 | |||
Electric Resistivity | Electrode | µΩ.m | 7.5-8.6 | 7.5-8.8 | 5.5-6.8 | 5.5-7.0 | 4.6-6.2 | 4.5-6.0 | 4.5-5.8 |
Nipple | 4.5-6.0 | 4.0-5.5 | 3.5-5.0 | 3.4-4.5 | 3.3-4.3 | ||||
Flexural strength | Electrode | Mpa | ≥7.5 | ≥6.5 | ≥10.0 | ≥8.5 | ≥10.5 | ≥10.0 | ≥10.0 |
Nipple | ≥ 16.0 | ≥18.0 | ≥20.0 | ≥22.0 | ≥23.0 | ||||
Elastic moulus | Electrode | Gpa | ≤ 9.0 | ≤13.0 | ≤14.0 | ≤14.0 | ≤14.0 | ||
Nipple | ≤ 13.0 | ≤15.0 | ≤20.0 | ≤22.0 | ≤22.0 | ||||
Bulk density | Electrode | g/cm³ | 1.54-1.62 | 1.62-1.70 | 1.66-1.73 | 1.68-1.74 | |||
Nipple | 1.70-1.78 | 1.72-1.80 | 1.75-1.82 | 1.78-1.85 | |||||
Ash | Electrode | % | ≤ 0.3 | ||||||
Nipple | |||||||||
CTE(100-600) ºC | Elecrode | 10-6 /ºC | 2.20-2.60 | 1.80-2.20 | 1.20-1.50 | 1.10-1.50 | |||
Nipple | 1.50-1.90 | 1.50-1.80 | 1.10-1.40 | 1.00-1.30 |
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