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UHP graphite electrode

  • Resistivit(μ.Ωm)::≤6.3
  • Density(G/CM³)::≥1.63
  • Bending(Mpa)::≥10.5
  • CTE(10-6/℃)::≤1.5

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  • Introduction
  • Technical Data

Graphite electrodes use petroleum coke, needle coke as raw material, coal tar pitch 
as binder, through mixing, extruding, baking, graphitizing, and machined to the shape. It wildly used in steel-making, nonferrous, silicon industry. According to their level of quality, it can be divided into RP, HD/HP and SHP/UHP grade.

Specs：
Good conductive performance, low resistively
High mechanical strength 
Good high temperature oxidation resistance
Neat geometric shape, smooth surface
Good thermal shock resistance
In accordance with the quality, it divided into three grade: regular power graphite electrode(RP), high power graphite electrode(HD/HP), ultra high power graphite electrode(SHP/UHP).

Ultra high power graphite electrode (UHP/SHP) is a high-end product of artificial graphite. It is made of high quality oil needle coke as basic material, high temperature modified asphalt as binder, via medium crushing, kneading, molding, baking, two times impregnations, three times baking, graphitization and machining. With specs as low electrical resistively, thermal expansion coefficient (CTE) and ultra high bending resistance and high temperature resistance, it mainly used in steel smelting in the large capacity EAF furnace, LF refining furnace.

   ELECTRODE NIPPLE
 ITEMS UNIT ANTEE TYPICAL GUARANTEE TYPICAL
RESISTIVIT μ.Ωm ≤6.3 5.4-5.9 ≤4.0 3.3-3.7
DENSITY G/CM³ ≥1.63 1.67-1.70 ≥1.75 1.77-1.80
BENDING Mpa ≥10.5 12-14 ≥18.0 22-25
 CTE 10-6/℃ ≤1.5 1.1-1.3 ≤1.4 1.0-1.2
ASH ％ ≤0.3 0.15 ≤0.3 0.12
YOUNG’SMOLDULUS Gpa ≤14 12 ≤16 ≤14



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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