UHP Graphite electrode

Brand name: LMM GROUP
Packing Details : Wooden box with fumigation or Wooden Fram
Delivery Details: 30~60days or Based on the quantity
Shipping: Sea freight、Land freight、Air freight

LMM have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc.

Grade Nominal Current Current Density
in mm A A/cm²
UHP 12 300 15000-22000 20-30
14 350 20000-30000 20-30
16 400 25000-40000 19-30
18 450 32000-45000 19-27
20 500 38000-55000 18-27
22 550 45000-65000 18-27
24 600 50000-75000 18-26
28 700 70000-120000 18-30

Technical Parameters

ItemUnitNPHPUHP
≤Ø400≥Ø450≤Ø400≥Ø450≤Ø400≥Ø450
Electric ResistivityElectrodeμΩ·m≤7.5≤8.0≤6.0≤6.5≤5.5≤5.5
Nipple≤5.5≤5.5≤4.5≤4.5≤4.0≤3.8
Transverse StrengthElectrodeMpa≥8.0≥7.0≥10.5≥10≥10.5≥10.0
Nipple≥15.0≥15.0≥17.0≥17.0≥20.0≥22.0
Young’s ModulusElectrodeGpa≤9.3≤14.0≤14.0
Nipple≤14.0≤16.0≤22.0
Bulk DensityElectrodeg/cm³≥1.54≥1.65≥1.68
Nipple≥1.70≥1.78≥1.80
Coefficient of Thermal
Expansion
(100
-600)
Electrode10-6≤2.9≤2.4≤1.5
Nipple ≤2.8≤2.2≤1.3
Ash%≤0.2≤0.2≤0.2

Standard Electrode Dimensions of Graphite Electrode

Nominal DiameterDiameter Allowance Range (mm)Nominal Length
inmmmin.max.inmm
820020020560/721500/1800
922522523060/721500/1800
1025025125660/721500/1800
1230030230760/721500/1800
1435035235772/801800/2100
1640040340872/801800/2100
1745045446072/82/941800/2100/2400
2050050551172/82/941800/2100/2400
2255055656272/82/941800/2100/2400
2460060761382/94/1062100/2400/2700
2870070871494/1062400/2700

Graphite Electrode advantage

  • High-quality materials, durability guaranteed to last

Our RP/HP/UHP graphite electrodes are manufactured from premium raw materials ensuring superior performance and durability.

  • Excellent electrical conductivity

We use state-of-the-art production processes to ensure our electrodes are of the highest quality, with precise dimensions, excellent conductivity and reliable performance, ensuring your industrial processes run smoothly and efficiently.

Production Equipment

Have a complete production line and equipment with a complete set of production processes

  • Raw Material

Premium anthracite from Ningxia is the main raw material. It features low sulphur, low ash, high strength and thermal stability.

There’re 2 sets of 1350KVA high temperature electrical calcined furnaces to make qualified raw material under sole technology of graphitization.

  • Dosing, Kneading and Forming

7 sets of automatic dosing systems,

22 sets of automatic temperature control kneading units (2000-4000 liters) were imported from Japan, 40MN, 35MN and 25MN presses,

a set of vibrocompactor from Ger-many,

2 sets of domestic made vibrocompactors,

a set of 60MN iso-static press

3 sets of hot mould presses.

  • Baking and Impregnation

8 sets of (30-36 chambers) sealed ring baking kilns

1 set of 36 chambers open ring baking kiln with natural gas

a set of cleaning machine from Japan

3 sets of tunnel kilns

2 sets of high pressure im-pregnation systems from Germany and another 2 sets from the domestic

  • Graphitization

1 set made in china.

1 set of machining line for carbon block imported from Japan,

3 corollary machining lines from the domestic.

2pre-assembling iron platforms one is 20m×20m, the other is 16m×16m. (level precise reaches +0.2mm )

  • Performance Testing

We have a complete inspection system for testing and analyzing physical and chemical data of carbon material.

Graphite Electrodes
Graphite Electrodes

Graphite electrode packaging

Packing Details : Wooden box with fumigation or Wooden Fram

electorde electode
electorde electode

LMM GROUP Team

graphite electrode

Q:I have some special requirement about specifications,can you do it?
A:Yes.We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry’s average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your drawings

LMM GROUP’s RP/HP/UHP graphite electrodes are made of high-quality materials to ensure maximum efficiency and performance. is your best choice

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No matter what the use, LMMGROUP offers high-quality graphite electrode at competitive prices for your next project.

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