Application Area: | Eaf Arc Furnace Smelting Steel |
---|---|
Superiority: | Superiority: Low Consumption Rate |
Specification1: | Customizable |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Technical Characteristics of Graphite Electrode RP, HP, UHP
Name | Unit | Nominal Diameter | ||||||
UHP Ultra-High-Power | HP Superstrong | RP Conventional Power | ||||||
≤Φ400 | ≥Φ450 | ≤Φ400 | ≥Φ450 | ≤Φ300 | ≥Φ350 | |||
Resistivity | Electrode | ΜΩ · m | ≤5.5 | ≤6.5 | ≤8.5 | |||
Nipple | ≤4.5 | ≤5.5 | ≤6.5 | |||||
Flexural Strength | Electrode | MPa | ≥11.0 | ≥10.5 | ≥9.8 | ≥8.5 | ≥7.0 | |
Nipple | ≥20.0 | ≥16.0 | ≥15.0 | |||||
Elastic Modulus | Electrode | GPa | ≤14.0 | ≤12.0 | ≤9.3 | |||
Nipple | ≤18.0 | ≤16.0 | ≤14.0 | |||||
Density | Electrode | g / cm3 | ≥1.66 | ≥1.67 | ≥1.62 | 1.6 | ≥1.53 | ≥1.52 |
Nipple | ≥1.75 | ≥1.73 | ≥1.69 | |||||
Coefficient Of Thermal Expansion | Electrode | 10-6 / ºC | ≤1.5 | ≤2.4 | ≤2.9 | |||
Nipple | ≤1.4 | ≤2.2 | ≤2.8 | |||||
ASH | % | ≤0.3 | ≤0.3 | ≤0.5 | ||||
Note: 1.Koeffitsient ash content and thermal expansion as the reference index, the coefficient of thermal expansion (100 ºC ~ 600 ºC), Custom manufacturing. |
Name | Unit | Nominal Diameter | ||||||
75-200 mm | 250-300mm | 400-500mm | ||||||
top grade | first grade | top grade | first grade | top grade | first grade | |||
Resistivity (Not More Than) | Electrode | ΜΩ · m | 8.0 | 9.0 | 8.0 | 9.0 | 8.0 | 9.0 |
Nipple | 7.5 | 7.5 | 7.5 | |||||
Flexural Strength(not less than) | Electrode | MPa | 10 | 9 | 8 | |||
Nipple | 13 | 13 | 13 | |||||
Elastic Modulus(no more) | Electrode | GPa | 12 | 12 | 12 | |||
Nipple | 14 | 14 | 14 | |||||
Density(not less than) | Electrode | g / cm3 | 1.58 | 1.58 | 1.58 | |||
Nipple | 1.68 | 1.68 | 1.68 | |||||
Coefficient Of Thermal Expansion (No More) | Electrode | 10-6 / ºC | 2.7. | 2.7. | 2.7. | |||
Nipple | 2.5 | 2.5 | 2.5 | |||||
Ash Content (not more than) | % | 0.3 | 0.3 | 0.5 | ||||
Note: 1. The coefficient of ash content and thermal expansion as a reference index. |
Name | Unit | Nominal Diameter (mm) | ||
300, 350, 400 | 450, 500 | |||
Resistivity (not more than) | Electrode | ΜΩ · m | 6.2 | 6.5 |
Nipple | 5.5 | 5.5 | ||
Flexural Strength(not less than) | Electrode | MPa | 10.5 | 10 |
Nipple | 16 | 16 | ||
Elastic Modulus(no more) | Electrode | GPa | 14 | 14 |
Nipple | 18 | 18 | ||
Density(not less than) | Electrode | g / cm3 | 1.65 | 1.64 |
Nipple | 1.72 | 1.7 | ||
Coefficient Of Thermal Expansion (no more) | Electrode | 10-6 / ºC | 1.5 | 1.5 |
Nipple | 1.4 | 1.4 | ||
Ash Content (not more than) | % | 0.3 | 0.3 | |
Note: 1. Zonality as a reference index. |