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Graphite Electrode
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Now: Home > Graphite Electrode > Technical Properties |
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Items
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Unit
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Nominal Diameter (mm)
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RP
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HP
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UHP
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75~150
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200~300
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Above 350
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Below 400
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Above 450
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Specific Resistance
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Electrode
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μΩm
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8.5 max
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8.5 max
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8.5 max
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6.5 max
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6.5 max
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5.8 max
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Nipple
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7.0 max
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6.5 max
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6.5 max
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5.5 max
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5.5 max
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4.5 max
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Flexural Strength
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Electrode
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MPa
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9.8 min
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8.5 min
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7.0 min
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10.5 min
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9.8 min
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14.0 min
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Nipple
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13.0 min
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15.0 min
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15.0 min
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18.0 min
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18.0 min
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20.0 min
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Young’s Modulus
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Electrode
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GPa
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9.3 max
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9.3 max
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9.3 max
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12.0 max
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12.0 max
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14.0 max
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Nipple
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14.0 max
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14.0 max
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14.0 max
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16.0 max
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16.0 max
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18.0 max
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Bulk Density
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Electrode
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g/cm3
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1.58 min
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1.53 min
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1.52 min
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1.65 min
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1.62 min
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1.68 min
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Nipple
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1.63 min
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1.70 min
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1.70 min
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1.73 min
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1.73 min
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1.77 min
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C.T.E.(100~600℃)
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Electrode
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1 x 10-6/℃
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2.9 max
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2.9 max
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2.9 max
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2.4 max
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2.4 max
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1.5 max
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Nipple
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2.7 max
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2.8 max
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2.8 max
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2.2 max
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2.2 max
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1.4 max
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Ash
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%
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0.5 max
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0.5 max
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0.5 max
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0.3 max
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0.3 max
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0.2 max
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