HP Graphite Electrode for Steel Making
Xinhui carbon High Power (HP) Graphite Electrode is made of high quality petroleum coke and pitch coke, through the process of raw materials calcination, crushing and grinding, batching, mixing and kneading, molding, baking, impregnation, graphitization, machining, etc.
The Graphite Electrode Nipples are made of 100% imported needle coke with three times impregnation and four times baking process. It can meet the needs of various high power electric arc furnaces and ladle refining furnaces for steel making.
HP graphite electrode specification
We can customize products as per the customer’s actual operational parameters.
Item | Unit | RP | HP | UHP | ||||
≤∅400 | ≥∅450 | ≤∅400 | ≥∅450 | ≤∅400 | ≥∅450 | |||
Electric Resistivity | Electrode | μΩ*m | ≤8.5 | ≤9.0 | ≤6.0 | ≤6.5 | ≤5.0 | ≤5.5 |
Nipple | ≤6.5 | ≤6.5 | ≤5.5 | ≤5.5 | ≤4.5 | ≤4.5 | ||
Transverse Strength | Electrode | MPa | ≥8.0 | ≥7.0 | ≥10.5 | ≥10.5 | ≥15.0 | ≥15.0 |
Nipple | ≥16.0 | ≥16.0 | ≥20.0 | ≥20.0 | ≥22.0 | ≥22.0 | ||
Young’s Modulus | Electrode | Gpa | ≤9.3 | ≤12.0 | ≤14.0 | |||
Nipple | ≤14.0 | ≤16.0 | ≤18.0 | |||||
Bulk Density | Electrode | g/cm3 | ≥1.54 | ≥1.65 | ≥1.68 | |||
Nipple | ≥1.69 | ≥1.73 | ≥1.76 | |||||
Coefficient of Termal Expansion (100℃﹣600℃) | Electrode | 100-6/℃ | ≤2.5 | ≤2.0 | ≤1.5 | |||
Nipple | ≤2.0 | ≤1.6 | ≤1.2 | |||||
Ash | % | ≤0.3 | ≤0.2 | ≤0.2 | ||||
Production process of graphite electrode

Our production workshop


Quality control center
Our company laboratory




Packing and Shipping
Finished Graphite Electrodes are packed according to customers' requirements, shipped via containers or trucks, and provided with perfect after-sales service.



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