Type: | Graphite Crucible |
---|---|
Composition: | Carbon |
Carbon Content: | High-Carbon |
Grade: | Industrial Grade |
Forming Way: | Isostatic Graphite |
Crystal Morphology: | Compact Crystalline Graphite |
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Graphite electrode, mainly from the domestic petroleum coke and imported needle coke, is widely used in electric arc furnace,ladle furnace, submerged arc electric furnace for the production of alloy steel, metal and nonmetallic materials.
Item | Unit | Norminal Diameter(mm) | ||||
75~130 | 150~225 | 250~300 | 350~500 | |||
Electric Resistivity Max | Electrode | μΩ·m | 8.5 | 9.0 | 9.0 | 9.0 |
Nipples | 6.5 | 6.5 | 6.5 | 6.5 | ||
Flexural Strength Min | Electrode | MPa | 9.8 | 9.8 | 7.8 | 6.4 |
Nipples | 13.0 | 13.0 | 13.0 | 13.0 | ||
Elastic Modulus Max | Electrode | GPa | 9.3 | 9.3 | 9.3 | 9.3 |
Nipples | 14.0 | 14.0 | 14.0 | 14.0 | ||
Bulk Density Min | Electrode | g/cm³ | 1.58 | 1.52 | 1.52 | 1.52 |
Nipples | 1.68 | 1.68 | 1.68 | 1.68 | ||
C.T.E. Max(100ºC~600ºC) | Electrode | 10¯6 /ºC | 2.9 | 2.9 | 2.9 | 2.9 |
Nipples | 2.7 | 2.7 | 2.8 | 2.8 | ||
Ash Max | % | 0.5 | 0.5 | 0.5 | 0.5 |
Item | Unit | Norminal Diameter(mm) | |||
200~400 | 450~500 | 550~600 | |||
Electric Resistivity Max | Electrode | μΩ·m | 6.8 | 7.5 | 7.0 |
Nipples | 5.5 | 5.5 | 5.0 | ||
Flexural Strength Min | Electrode | MPa | 10.5 | 9.8 | 10.0 |
Nipples | 14.0 | 14.0 | 16.0 | ||
Elastic Modulus Max | Electrode | GPa | 12.0 | 12.0 | 12.0 |
Nipples | 16.0 | 16.0 | 18.0 | ||
Bulk Density Min | Electrode | g/cm³ | 1.60 | 1.60 | 1.65 |
Nipples | 1.70 | 1.70 | 1.75 | ||
C.T.E. Max(100ºC~600ºC) | Electrode | 10¯6 /ºC | 2.4 | 2.4 | 2.4 |
Nipples | 2.2 | 2.2 | 2.2 | ||
Ash Max | % | 0.3 | 0.3 | 0.3 |
Item | Unit | Norminal Diameter(mm) | |||
300~400 | 450~500 | 550~600 | |||
Electric Resistivity Max | Electrode | μΩ·m | 6.2 | 6.3 | 5.8 |
Nipples | 4.5 | 4.5 | 4.0 | ||
Flexural Strength Min | Electrode | MPa | 11.5 | 11.5 | 11.0 |
Nipples | 20.0 | 20.0 | 22.0 | ||
Elastic Modulus Max | Electrode | GPa | 14.0 | 14.0 | 14.0 |
Nipples | 20.0 | 20.0 | 22.0 | ||
Bulk Density Min | Electrode | g/cm³ | 1.71 | 1.70 | 1.68 |
Nipples | 1.76 | 1.78 | 1.80 | ||
C.T.E. Max(100ºC~600ºC) | Electrode | 10¯6 /ºC | 1.5 | 1.5 | 1.5 |
Nipples | 1.4 | 1.4 | 1.3 | ||
Ash Max | % | 0.3 | 0.3 | 0.3 |
Norminal diameter(mm) | Current-Carrying Capacity(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 | 30000~42000 | 13~16 |
600 | 40000~53000 | 13~16 |
Norminal diameter(mm) | Current-Carrying Capacity(A) | Current Density(A/cm²) |
200 | 5500~9000 | 18-28 |
250 | 8000~13000 | 18-25 |
300 | 13000~17400 | 17~24 |
350 | 17400~24000 | 17~24 |
400 | 21000~31000 | 16~24 |
450 | 25000~40000 | 15~24 |
500 | 30000~48000 | 15~24 |
550 | 44000~58000 | 15~24 |
600 | 52000~67000 | 15~24 |
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