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Nipple

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  • Introduction
  • Technical Data

Dimensions of machined nipple

4TPI Table of 4TPI nipple dimensions
Nominal Dia IEC Nipple Socket Pitch
mm inch d L d2 d1 S
300 12 177T4N 177.8 215.9 174.64 171.48 114 6.35
350 14 203T4N 203.2 254 200.04 196.88 133 6.35
400 16 222T4N 222.25 304.8 219.09 215.93 158.4 6.35
400 16 222T4L 222.25 355.6 219.09 215.93 183.8 6.35
450 18 241T4N 241.3 304.8 238.14 234.98 158.4 6.35
450 18 241T4L 241.3 355.6 238.14 234.98 183.8 6.35
500 20 269T4N 269.88 355.6 266.72 263.56 183.8 6.35
500 20 269T4L 269.88 457.2 266.72 263.56 234.6 6.35
550 22 298T4N 298.45 355.6 295.29 292.13 183.8 6.35
550 22 298T4L 298.45 457.2 295.29 292.13 234.6 6.35
600 24 317T4N 317.5 355.6 314.34 311.18 183.8 6.35
600 24 317T4L 317.5 457.2 314.34 311.18 234.6 6.35
700 28 374T4N 374.65 457.2 371.49 368.33 234.6 6.35
700 28 374T4L 374.65 558.8 371.49 368.33 285.4 6.35

3TPI Table of3TPI nipple dimensions
Nominal Dia IEC Nipple Socket Pitch
mm inch d L d2 d1 S
300 12 177T3N 177.17 270.9 116.9 168.73 138.45 8.47
350 14 215T3N 215.9 304.8 150.0 207.47 158.4 8.47
400 16 215T3N 215.9 304.8 150.0 207.47 158.4 8.47
400 16 241T3N 241.3 338.7 169.8 232.87 175.3 8.47
450 18 241T3N 241.3 338.7 169.8 232.87 175.3 8.47
450 18 273T3N 273.05 355.6 198.7 264.62 183.8 8.47
500 20 273T3N 273.05 355.6 198.7 264.62 183.8 8.47
500 20 298T3N 298.45 372.6 221.3 290.02 192.2 8.47
550 22 298T3N 298.45 372.6 221.3 290.02 192.2 8.47

Item Nominal diameter/mm
  650~750 780~960 1005~1400
Electrical resistance ≤ μ.Ωm Pole 10.0 12.0 13.0
    nipple 7.5 7.5 7.5
Bulk density ≥ (g/cm ) Pole 1.58 1.58 1.58
    nipple 1.68 1.68 1.68
Flexural strength ≥ Mpa Pole 6.0 6.2 5.0
    nipple 13.0 13.0 13.0
CTE≤ (10-5/℃） （100℃-600℃） Pole 2.7 2.8 2.9
    nipple 2.4 2.4 2.6
Elastic modulus ≤ Gpa Pole 12 12 12
    nipple 14 14 14
Ash ≤ % Pole 0.5 0.5 0.5
    nipple 0.5 0.5 0.5
Note: The coefficient of thermal expansion, modulus of elasticity just for reference



Graphite electrode packaging
DIA. Length Nipple Pcs/Crate Packing Method Total Amount
12"(Φ300) 72" 4TPI/4TPIL PF PS 3Pcs/Crate Lay across, 5 cratesX5 layers, total 25crates 25X3=75
83"/96" 4TPI/4TPIL PF PS Lay perpendicular,4 cratesX5 layers, total 20crates 20X3=60
14"(Φ350) 72" 4TPI/4TPIL PF PS 3Pcs/Crate Lay across, 5 cratesX5 layers, total 25crates 25X3=75
83"/96" 4TPI/4TPIL PF PS Lay perpendicular,4 cratesX5 layers, total 20crates 20X3=60
16"(Φ400) 72" 4TPI/4TPIL PF PS 3Pcs/Crate Lay across, 4 cratesX4 layers, total 16crates 16X3=48
83"/96" 4TPI/4TPIL PF PS 3Pcs/CrateX8 2Pcs/CrateX8 Lay perpendicular,4 cratesX4 layers, total 16crates 3X8+2X8=40
18"(Φ450) 72" 4TPI/4TPIL PF PS 2Pcs/Crate Lay across, 5 cratesX4 layers, total 20crates 20X2=40
83"/96" 4TPI/4TPIL PF PS Lay perpendicular,4 cratesX4 layers, total 16crates 4X2X4=32
20"(Φ500) 72" 4TPI/4TPIL PF PS 2Pcs/Crate Lay across, 5 cratesX4 layers, total 20crates 20X2=40
83"/96" 4TPI/4TPIL PF PS Lay perpendicular,4 cratesX4 layers, total 16crates 16X2=32
4TPI/4TPIL PF PS
22"(Φ550) 72" 4TPI/4TPIL PF PS 2Pcs/Crate Lay across, 5 cratesX4 layers, total 20crates 20X2=40
83"/96" 4TPI/4TPIL PF PS Lay perpendicular,4 cratesX4 layers, total 16crates 16X2=32
24"(Φ600) 72" 4TPI/4TPIL PF PS 2Pcs/Crate Lay across, 4 cratesX4 layers, total 16crates 16X2=32
83"/96" 4TPI/4TPIL PF PS Lay perpendicular,4 cratesX4 layers, total 16crates 16X2=32

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