Product name : Mechanically Strong Graphite Electrode Nipple
Basic Info.
| Model NO. | Nipple |
| Grades | RP/HP/UHP |
| Material | Needle coke , CPC , Coal Pitch |
| Color | Black |
| Size | Customized |
| Place of Origin | Hebei, China |
Product Description
The graphite electrode nipple is mainly made of petroleum coke and needle coke as raw materials and coal and bitumen as the binding agent , through the process of calcining, batching, mixing, pressure molding, roasting, graphitization and machining.
Graphite electrode nipple can be divided into Regular Power, High Power and Ultra High Power according to the quality and property.
Product Parameters
Mechanically Strong Graphite Electrode Nipple
Item | Unit | Graphite Electrode |
RP(mm) | HP(mm) | UHP(mm) |
φ100-φ600 | φ100-φ800 | φ200-φ500 | φ550-φ800 |
Resistivity | Electrode | μΩm | 7.0-10.0 | 5.8-6.6 | 4.8-5.8 | 4.6-5.8 |
Nipple | 4.0-4.5 | 3.5-4.0 | 3.5-4.0 | 3.5-4.0 |
Modulus of Rupture | Electrode | Mpa | 8.0-10.0 | 10.0-13.0 | 10.0-14.0 | 10.0-14.0 |
Nipple | 19.0-22.0 | 20.0-23.0 | 20.0-24.0 | 22.0-26.0 |
Young's Modulus | Electrode | Gpa | 7.0-9.3 | 8.0-12.0 | 9.0-13.0 | 10.0-14.0 |
Nipple | 12.0-14.0 | 14.0-16.0 | 15.0-18.0 | 16.0-19.0 |
Bulk Density | Electrode | g/cm3 | 1.53-1.56 | 1.64-1.68 | 1.68-1.74 | 1.68-1.74 |
Nipple | 1.70-1.74 | 1.75-1.80 | 1.78-1.82 | 1.78-1.84 |
CTE (100-600℃) | Electrode | 10-6/℃ | 2.2-2.6 | 1.6-1.9 | 1.1-1.4 | 1.1-1.4 |
Nipple | 2.0-2.5 | 1.1-1.4 | 0.9-1.2 | 0.9-1.2 |
Ash | % | 0.5 | 0.2 | 0.3 | 0.3 |
Standard Sizes of Nipples and Sockets
Nominal Diameter | Nipple | Sockct | Pitch |
D | L | D | L | B1 | H |
225 | 139.70 | 0-0.5 | 203.20 | 90.73 | 0-5 | <10 | 131.27 | +0.5 | 107.60 | +70 | 8.47 |
250 | 155.57 | 220.00 | 103.80 | 147.14 | 116.00 |
300 | 177.16 | 270.90 | 116.90 | 168.73 | 141.50 |
350 | 215.90 | 304.80 | 150.00 | 207.47 | 158.40 |
400 | 215.90 | 304.80 | 150.00 | 207.47 | 158.40 |
400 | 241.30 | 338.70 | 169.80 | 232.87 | 175.30 |
450 | 241.30 | 338.70 | 169.80 | 232.87 | 175.30 |
450 | 273.05 | 355.60 | 198.70 | 264.62 | 183.80 |
500 | 273.05 | 355.60 | 198.70 | 264.62 | 183.80 |
500 | 298.45 | 372.60 | 221.30 | 290.02 | 192.20 |
550 | 298.45 | 372.60 | 221.30 | 290.02 | 192.20 |
200 | 122.24 | 0-0.5 | 177.80 | 80.00 | 0-5 | <7 | 115.92 | +0.5 | 94.90 | +70 | 6.35 |
225 | 139.70 | 177.80 | 97.46 | 133.38 | 94.90 |
250 | 152.0 | 290.50 | 108.00 | 146.08 | 101.30 |
300 | 177.80 | 215.90 | 129.20 | 171.48 | 114.00 |
350 | 203.20 | 254.00 | 148.20 | 196.88 | 133.00 |
400 | 222.25 | 304.80 | 158.80 | 215.93 | 158.40 |
400 | 222.25 | 355.60 | 150.00 | 215.93 | 183.80 |
450 | 241.30 | 304.80 | 177.90 | 234.98 | 158.40 |
450 | 241.30 | 355.60 | 169.42 | 234.98 | 183.80 |
500 | 269.88 | 355.60 | 198.00 | 263.56 | 183.80 |
500 | 269.88 | 457.20 | 181.08 | 263.56 | 234.60 |
550 | 298.45 | 355.60 | 226.58 | 292.13 | 183.80 |
550 | 298.45 | 457.20 | 209.65 | 292.13 | 234.60 |
600 | 317.50 | 335.60 | 245.63 | 311.18 | 183.80 |
600 | 317.50 | 457.20 | 228.70 | 311.18 | 234.60 |
700 | 374.65 | 457.20 | 285.84 | 368.33 | 234.60 |
700 | 374.65 | 558.80 | 268.91 | 368.33 | 258.40 |
High quality graphite electrode for oxidation resistance electric furnace
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