700-800mm UHP graphite electrode UHP Graphite Electrodes
| Min. Order: | 10 Ton |
|---|---|
| Payment Terms: | L/C, D/P, T/T |
| Supply Ability: | 60000 Tons Per Year |
| Place of Origin: | Shandong |
Company Profile
| Location: | Weifang, Shandong, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
Product Detail
| Production Capacity: | 60000 Tons Per Year |
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| Packing: | Packing with wooden case and pallet,and enlace with baling band |
| Delivery Date: | 10 working days after receive payment |
Product Description
700-800mm UHP graphite electrode,UHP Graphite Electrodes,Oxidation Resistance Graphite Electrode,UHP Graphite Electrodes Manufacturer
UHP Graphite Electrodes
Oxidation Resistance Graphite Electrode
UHP Graphite Electrodes Manufacturer
Electric resistivity : 4.5-5.8
Bending strength: >=10.0
Elastic Modulus: <=14
Bulk density:1.68-1.74
Ash: <=0.3
CTE: 1.10-1.50
Ultra high power graphite electrode is a graphite electrode with allowable current density greater than 25A/cm2 . UHP graphite electrode mainly used in ultra-high power steelmaking electric arc furnace.
Physical and Chemical Index of Ultra high Power Graphite Electrode | |||||||||
Item | Unit | UHP | |||||||
300～500 | 550～600 | 700～800 | |||||||
Electric Resistivity | Electrode | uΩ.m | 4.6～6.2 | 4.5～6.0 | 4.5～5.8 | ||||
Nipple | 3.5～5.0 | 3.4～4.5 | 3.3～4.3 | ||||||
Bending Strength | Electrode | MPa | ≥10.5 | ≥10.0 | ≥10.0 | ||||
Nipple | ≥20.0 | ≥22.0 | ≥23.0 | ||||||
Modulus of Elasticity | Electrode | GPa | ≤14.0 | ≤14.0 | ≤14.0 | ||||
Nipple | ≤20.0 | ≤22.0 | ≤22.0 | ||||||
Bulk Density | Electrode | G/cm3 | 1.66～1.73 | 1.68～1.74 | |||||
Nipple | 1.75～1.82 | 1.78～1.85 | |||||||
Ash Content | Electrode | % | ≤0.3 | ||||||
Nipple | |||||||||
The Coefficient of Thermal Expansion(CTE) | Electrode | 10-6/℃ | 1.20～1.50 | 1.10～1.50 | |||||
Nipple | 1.10～1.40 | 1.00～1.30 | |||||||
UHP Graphite Electrode Current Carrying Capacity | |||
Norminal Diameter | UHP | ||
Current Carrying Capacity | Current Density | ||
inch | mm | A | A/cm2 |
12 | 300 | 15000～22000 | 20～30 |
14 | 350 | 20000～30000 | 20～30 |
16 | 400 | 25000～40000 | 19～30 |
18 | 450 | 32000～45000 | 19～27 |
20 | 500 | 38000～55000 | 18～27 |
22 | 550 | 45000～65000 | 18～27 |
24 | 600 | 50000～75000 | 18～26 |
28 | 700 | 70000～120000 | 18～25 |
32 | 800 | ／ | ／ |
Tolerance of Graphite Electrode Diameter and Length(mm) | |||||
Nominal Diameter | Actural diameter | Length | |||
in | mm | max | min | Black surface min | |
12 | 300 | 307 | 302 | 299 | 1800/2000 |
14 | 350 | 358 | 352 | 349 | 1800/2000/2200 |
16 | 400 | 409 | 403 | 400 | 1800/2000/2200 |
18 | 450 | 460 | 454 | 451 | 1800/2000/2200 |
20 | 500 | 511 | 505 | 502 | 2000/2200/2400 |
22 | 550 | 562 | 556 | 553 | 2000/2200/2400/2700 |
24 | 600 | 613 | 607 | 604 | 2200/2400/2700/3000 |
28 | 700 | 714 | 710 | 707 | 2200/2400/2700/3000 |
29 | 800 | 816 | 812 | 809 | 2200/2400/2700/3000 |
Permissible Deviation of Graphite Electrode Length (mm) | ||||
Nominal Length | Standard Deviation | Short Length Deviation | ||
max | min | max | min | |
1800 | +100 | -100 | -100 | -275 |
2000 | +100 | -100 | -100 | -275 |
2200 | +100 | -100 | -100 | -275 |
2400 | +100 | -100 | -100 | -275 |
2700 | +200 | -150 | -150 | -275 |
3000 | +200 | -150 | -150 | -300 |