Loading Port:Shanghai
Payment Terms:TT OR LC
Min Order Qty:10 m.t.
Supply Capability:100000 m.t./month
Specifications
1.Diameter:40 - 600mm or1.6"-24"
2.Length: 250 - 2400mm or10"-96"
3.Grades:RP, RPI, HP, SHP, UHP
Nipples:3-4TPI
ISO9001:2000
Graphite Electrode for steel making
Applications
Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.
Programmable properties
1.Good electrical conductivity
2.High resistance to thermal shock
3.High mechanical strength
Grades:RP, RPI, HP, SHP, UHP
All graphite electrodes are offered with tapered nipples, i.e. 3 or 4 threads per inch, and meet the internationally accepted tolerances as per NEMA CG 1/ IEC 60239 / JIS R7201 standards.
Specifications
Item | Unit | Regular-power | Impregnated | ||||||
φ75- | φ150- | φ250- | φ350- | φ75- | φ250- | φ400- | |||
Specific Resistance (≤) | E | μ Ω·m | 8.5 | 9 | 9 | 9 | 8 | 8 | 8 |
N | 8 | 8 | 8 | 8 | 7.5 | 7.5 | 7.5 | ||
Bending Strength (≥)
| E | MPa
| 9.8 | 9.8 | 7.8 | 6.4 | 10 | 9 | 8 |
N | 13 | 13 | 13 | 13 | 15 | 15 | 15 | ||
Elastic Modulus (≤)
| E | GPa
| 9.3 | 9.3 | 9.3 | 9.3 | 12 | 12 | 12 |
N | 14 | 14 | 14 | 14 | 14 | 14 | 14 | ||
Bulk Density (≥)
| E | g/cm3
| 1.58 | 1.52 | 1.52 | 1.52 | 1.58 | 1.58 | 1.58 |
N | 1.63 | 1.63 | 1.68 | 1.68 | 1.68 | 1.68 | 1.68 | ||
C.T.E.(≤)
| E | 10-6/°C
| 2.9 | 2.9 | 2.9 | 2.9 | 2.7 | 2.7 | 2.7 |
N | 2.7 | 2.7 | 2.8 | 2.8 | 2.5 | 2.5 | 2.5 | ||
Ash(≤) | % | 0.5 | 0.5 | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | |
Item | Unit | High-power | Super high-power | Ultra high-power | ||||
φ200-400 | φ450-500 | φ350-400 | φ450-500 | φ300-400 | φ450-500 | |||
Specific Resistance(≤) | E | μ Ω·m | 7 | 7.5 | 6.5 | 7 | 6.2 | 6.5 |
N | 6.5 | 6.5 | 6 | 6 | 5.5 | 5.5 | ||
Bending Strength (≥)
| E | MPa
| 10.5 | 9.8 | 10.5 | 10 | 10.5 | 10 |
N | 15 | 15 | 16 | 16 | 16 | 16 | ||
Elastic Modulus (≤)
| E | GPa
| 12 | 12 | 13 | 13 | 14 | 14 |
N | 16 | 16 | 17 | 17 | 18 | 18 | ||
Bulk Density (≥)
| E | g/cm3
| 1.6 | 1.6 | 1.62 | 1.62 | 1.65 | 1.64 |
N | 1.7 | 1.7 | 1.71 | 1.71 | 1.72 | 1.72 | ||
C.T.E.(≤)
| E | 10-6/°C
| 2.4 | 2.4 | 2.2 | 2.2 | 1.5 | 1.5 |
N | 2.2 | 2.2 | 1.8 | 1.8 | 1.4 | 1.4 | ||
Ash(≤) | % | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
FAQ
①How about your company？
A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.
②How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
