UHP Graphite Electrode Nipple
Xinhui Graphite Electrode Nipples are made of 100% imported needle coke with three times impregnation and four times baking process. The product quality has reached the world-class standard, which can meet the needs of various Ultra-high Power (UHP) Electric Arc Furnace (EAF) and Ladle Refining Furnace (LF) steel making, etc.
UHP graphite electrode nipple Specifications
Number of threads Per Inch=3
Electrode Diameter | IEC Code | Diameter Allowance Range(mm) | Socket | ||||
in | mm | Large Dia D1(mm) | Length L1(mm) | Medium Dia.D2(mm) | Small Dia.D3(mm) | Depth L2(mm) | |
9 | 225 | 139T3N | 139.70 | 203.20 | 90.73 | 131.27 | 107.60 |
10 | 250 | 155T3N | 155.58 | 220.10 | 151.36 | 147.14 | 116.00 |
12 | 300 | 177T3N | 177.16 | 270.90 | 172.95 | 168.73 | 141.50 |
14 | 350 | 215T3N | 215.90 | 304.80 | 211.69 | 207.47 | 158.40 |
16 | 400 | 215T3N | 215.90 | 304.80 | 211.69 | 207.47 | 158.40 |
16 | 400 | 215T3L | 241.30 | 338.70 | 237.09 | 232.87 | 175.30 |
18 | 450 | 241T3N | 241.30 | 338.70 | 237.09 | 232.87 | 175.30 |
18 | 450 | 273T3L | 273.05 | 355.60 | 268.84 | 264.62 | 183.80 |
20 | 500 | 273T3N | 273.05 | 355.60 | 268.84 | 264.62 | 183.80 |
20 | 500 | 298T3L | 298.45 | 372.60 | 294.24 | 290.02 | 192.20 |
22 | 550 | 298T3N | 298.45 | 372.60 | 294.24 | 290.02 | 192.20 |
Number of threads Per Inch=4
Electrode Diameter | IEC Code | Diameter Allowance Range(mm) | Socket | ||||
in | mm | Large Dia D1(mm) | Length L1(mm) | Medium Dia.D2(mm) | Small Dia.D3(mm) | Depth L2(mm) | |
8 | 200 | 122T4N | 122.24 | 177.80 | 119.08 | 115.92 | 94.90 |
10 | 250 | 152T4N | 152.40 | 190.50 | 149.24 | 146.08 | 101.30 |
12 | 400 | 177T4N | 177.80 | 215.90 | 174.64 | 171.48 | 114.00 |
14 | 450 | 203T4N | 203.20 | 254.00 | 200.04 | 196.88 | 133.00 |
16 | 400 | 222T4N | 222.25 | 304.80 | 219.09 | 215.93 | 158.40 |
16 | 400 | 222T4L | 222.25 | 355.60 | 219.09 | 215.93 | 183.80 |
18 | 450 | 241T4N | 241.30 | 304.80 | 238.14 | 234.98 | 158.40 |
18 | 450 | 241T4L | 241.30 | 355.60 | 238.14 | 234.98 | 183.80 |
20 | 500 | 269T4N | 269.88 | 355.60 | 266.72 | 263.56 | 183.80 |
20 | 500 | 269T4L | 269.88 | 457.20 | 266.72 | 263.56 | 234.60 |
22 | 550 | 298T4N | 298.45 | 355.60 | 295.29 | 292.13 | 183.80 |
22 | 550 | 298T4L | 298.45 | 457.20 | 295.29 | 292.13 | 234.60 |
24 | 600 | 317T4N | 317.50 | 355.60 | 314.34 | 311.18 | 183.80 |
24 | 600 | 317T4L | 317.50 | 457.20 | 314.34 | 311.18 | 234.60 |
26 | 650 | 355T4N | 355.60 | 457.20 | 352.44 | 349.28 | 234.60 |
26 | 650 | 355T4L | 355.60 | 558.80 | 352.44 | 349.28 | 285.40 |
28 | 700 | 374T4N | 374.65 | 457.20 | 371.49 | 368.33 | 234.60 |
28 | 700 | 374T4L | 374.65 | 558.80 | 371.49 | 368.33 | 285.40 |
Features
Higher purity, higher density, and greater chemical stability;
Low coefficient of thermal expansion, resistance to cracking, spalling and thermal shock;
Higher mechanical strength and lower electrical resistivity;
Higher machining accuracy and good surface finish;
The advanced antioxidant treatment process, lower consumption, and longer operation life.
Applications
Xinhui Graphite Electrode Nipples & Graphite Electrodes are widely used in various DC/AC Ultra-high Power (UHP) Electric Arc Furnace, Ladle Refining Furnace, and Submerged Arc Furnace for smelting various kinds of high quality alloy steel, metals, etc
Certificate of UHP graphite electrode nipple
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