Basic Info.
Model NO.
RP/HP/UHP
Carbon Content
High-Carbon
Grade
Industrial Grade
Forming Way
Extruded Graphite
Composition
Needle Coke, Petroleum Coke
Crystal Morphology
Grahpite Electrode
Transport Package
Wooden Pallets
Specification
RP, HP, UHP
Trademark
Hengqiao
Origin
China
HS Code
8545110000
Production Capacity
80, 000mts/Year
Product Description
Product Description Steel Casting UHP Extruded Carbon Graphite Electrode with Nipples
Technical specification
Size chart
Packing
Wooden pallet
Advantage
* Annual output of 80,000 tons, timely delivery;
* Low resistivity
* High temperature strength
* Good thermal conductivity and electrical conductivity
* Low thermal expansion coefficient
* Low ash,Its ash content is controlled within 3%.
* Dense and equal structure,Low graphite electrode consumption.
* Good oxidation resistance
* High mechanical strength
* Needle coke content accounts for 80%, good quality. 
Steel Casting HP Extruded Carbon Graphite Electrode with Nipples for steel mill
Graphite electrode, mainly petroleum coke, needle coke as raw material, coal pitch as binder, calcination, ingredients, kneading,molding, baking and graphitization, machining and made, which is released in electric arc furnace in the form of arc conductor of electricity to heat melting furnace charge, with low resistivity, good conductivity, low ash, uniform and compact structure, good oxidation resistance, high mechanical strength, etc.
There are three grades including RP graphite electrode,HP graphite electrode and UHP graphite electrode.
There are three grades including RP graphite electrode,HP graphite electrode and UHP graphite electrode.
Technical specification
| Item | Unit | Graphite Electrode | ||||
| RP | HP | UHP | ||||
| φ300-φ800mm | φ300-φ800mm | φ300-φ500mm | φ550-φ800mm | |||
| Typical Value | Typical Value | Typical Value | Typical Value | |||
| Resistivity | Electrode | μΩm | 7.0-10.0 | 5.8-6.6 | 4.5-5.8 | 4.6-5.8 |
| Nipple | 4.0-4.5 | 3.5-4.0 | 3.5-4.0 | 3.5-4.0 | ||
| Modulus of Rupture | Electrode | Mpa | 8.0-10.0 | 10.0-13.0 | 10.0-14.0 | 10.0-14.0 |
| Nipple | 19.0-22.0 | 20.0-23.0 | 20.0-24.0 | 22.0-26.0 | ||
| Young's Modulus | Electrode | Gpa | 7.0-9.3 | 8.0-12.0 | 9.0-13.0 | 10.0-14.0 |
| Nipple | 12.0-14.0 | 14.0-16.0 | 15.0-18.0 | 16.0-19.0 | ||
| Bulk Density | Electrode | g/cm3 | 1.53-1.56 | 1.64-1.68 | 1.68-1.74 | 1.70-1.74 |
| Nipple | 1.70-1.74 | 1.75-1.80 | 1.78-1.82 | 1.80-1.84 | ||
| CTE (100-600ºC) | Electrode | 10-6/ºC | 2.2-2.6 | 1.6-1.9 | 1.1-1.4 | 1.1-1.4 |
| Nipple | 2.0-2.5 | 1.1-1.4 | 0.9-1.2 | 0.9-1.2 | ||
| Ash | % | 0.5 | 0.3 | 0.3 | 0.3 | |
Size chart
| Nominal Diameter | Actual Diameter (Send inquiry to us to get free quote) | Nominal Length(mm) | |||
| mm | Inch | Max(mm) | Min(mm) | Min.Crust Diameter(mm) | |
| 150 | 6 | 154 | 149 | 146 | 1500-1800 |
| 200 | 8 | 205 | 200 | 197 | 1500-1800 |
| 250 | 10 | 256 | 251 | 248 | 1500-2100 |
| 300 | 12 | 307 | 302 | 299 | 1500-2100 |
| 350 | 14 | 357 | 352 | 349 | 1500-2400 |
| 400 | 16 | 409 | 403 | 400 | 1500-2400 |
| 450 | 18 | 460 | 454 | 451 | 1500-2400 |
| 500 | 20 | 511 | 505 | 502 | 1800-2700 |
| 550 | 22 | 562 | 556 | 553 | 1800-2700 |
| 600 | 24 | 613 | 607 | 604 | 2100-2700 |
| 650 | 26 | 663 | 657 | 654 | 2100-2700 |
| 700 | 28 | 714 | 708 | 705 | 2100-2700 |
| 750 | 30 | 765 | 759 | 756 | 2400-2700 |
| 800 | 32 | 816 | 810 | 807 | 2400-2700 |
Packing
Wooden pallet
Advantage
* Annual output of 80,000 tons, timely delivery;
* Low resistivity
* High temperature strength
* Good thermal conductivity and electrical conductivity
* Low thermal expansion coefficient
* Low ash,Its ash content is controlled within 3%.
* Dense and equal structure,Low graphite electrode consumption.
* Good oxidation resistance
* High mechanical strength
* Needle coke content accounts for 80%, good quality.
