OrdinaryGraphite Electrode Diameter: 75-700mm Features: Low resistivity, good conductivity and thermal conductivity, good oxidation resistance, strong resistance to thermal and mechanical vibrations, high mechanical strength, and high machining density.
Ordinary Power Graphite Electorde & Connector Physical And Chemical Index | |||||||||||
Indicator Name | Normal Diameter/mm | ||||||||||
75～130 | 150～225 | 250～300 | 350～450 | 500～800 | |||||||
Superior | Class A | Superior | Class A | Superior | Class A | Superior | Class A | Superior | Class A | ||
Electric Resistivity /μΩ.m ≤ | Electrode | 8.5 | 10.0 | 9.0 | 10.5 | 9.0 | 10.5 | 9.0 | 10.5 | 9.0 | 10.5 |
Connector | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | ||||||
Bending Strength/MPa ≤ | Electrode | 10.0 | 10.0 | 8.0 | 7.0 | 6.5 | |||||
Connector | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | ||||||
Elastic Modulus/GPa ≤ | Electrode | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | |||||
Connector | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | ||||||
Bulk Density/(g/cm3) ≥ | Electrode | 1.58 | 1.53 | 1.53 | 1.53 | 1.52 | |||||
Connector | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | ||||||
CTE /(10-6g/℃) (Indoor Temperature ～600℃) ≥ | Electrode | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | |||||
Connector | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | ||||||
Ash /% ≤ | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | ||||||
Note: Ash content and thermal expansion coefficient are reference indicators | |||||||||||
Ordinary Power Graphite Electorde & Connector Recommended Current Carrying Capacity | ||
Nominal Diameter/mm | Permissible Current Load /A | Current Density(A/cm2) |
75 | 1000～1400 | 22～31 |
100 | 1500～2400 | 19～30 |
130 | 2200～3400 | 17～26 |
150 | 3000～4500 | 16～25 |
200 | 5000～6900 | 15～21 |
250 | 7000～10000 | 14～20 |
300 | 10000～13000 | 14～18 |
350 | 13500～18000 | 14～18 |
400 | 18000～23500 | 14～18 |
450 | 22000～27000 | 13～17 |
500 | 25000～32000 | 13～16 |
550 | 28000～34000 | 12～14 |
600 | 30000～36000 | 11～13 |
650 | 32000～39000 | 10～12 |
700 | 34000～42000 | 9～11 |
info@allwingraphite.com
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