신규사업
NEW BUSINESS

Graphite Electorde for EAF & LF

Graphite Electorde for EAF & LF
BENHONG GROUP
30+ Years Manufacture
ANNUAL PRODUCTION
CAPACITY
Graphite Electrodes for EAF & LF 60,000
GPC 220,000
CPC 300,000
Production process
  • 1

    Raw Material Crushing

    High quality needle coke or petroleum coke is calcined and then crushed by machanical equipment into sizes that meet the requirments of the process

  • 2

    Dosing and Mixing

    The top quality mixing system from Germany,the grinding system and the dosing system from Switzerland provide the quality assurance for the mixing

  • 3

    Extrusion Forming

    Benhong Group has the world's top integrated molding system, from raw material to green electrode, every link is precisely controlled,highly automated

  • 4

    Primary Baking

    Benhong Group has four ring type baking furnaces. There are 18 and 36 chambers each. The annual output of primary baking product is 60.000tones

  • 5

    High Pressure Impregnation

    Benhong Group is equipped with large-capacity and high-efficiency vacuum impregna on system,which is green,energy-saving and environmentally friendly.

  • 6

    Re-baking

    Benhong Group has a tunnel kiln with an annual capacity of 50.000tons of re-baked products

  • 7

    Graphitization

    The group has three graphitization workshops with Acheson furnace and LWG furnace

  • 8

    Machining

    The group has fully automated high precision machining equipment

  • 9

    Inspection and testing

    Benhong group has strict inspection and testing after products are finished based on advanced testing equipment

  • 10

    Packing and Shipping

    Finished graphite electrodes are packed according to customers' requirments,shipped via containers or trucks and provided with perfect after-sales service

UHP Graphite Electrode
SPECIFICATION
ITEMS UNIT NOMINAL DIAMETER(MM)
250~400 450~500 600~700
Specific resistance Electrode μΩ·m 4.8-5.8 4.5-5.0 4.5-5.4
Nipple 3.4-4.0 3.5-3.8 3.0-3.6
Transverse strength Electrode MPa ≥12.0 ≥12.0 ≥10.0
Nipple ≥22.0 ≥22.0 ≥24.0
Elastic modulus Electrode GPa ≤13.0 ≤13.0 ≤13.0
Nipple ≤18.0 ≤18.0 ≤20.0
Ash content Electrode % ≤0.2 ≤0.2 ≤0.2
Nipple
Bulk density Electrode g/cm³ 1.68-1.73 1.68-1.72 1.68-1.72
Nipple 1.78-1.84 1.78-1.84 1.80-1.86
(C.T.E) Electrode 10⁻⁶/℃ ≤1.2 ≤1.2 ≤1.2
Nipple ≤1.0 ≤1.0 ≤1.0
HP Graphite Electrode
SPECIFICATION
ITEMS UNIT NOMINAL DIAMETER(MM)
200~400 450~500 550~700
Specific resistance Electrode μΩ·m 5.2-6.5 5.2-6.5 5.2-6.5
Nipple 3.5-4.5 3.5-4.5 3.2-4.3
Transverse strength Electrode MPa ≥11.0 ≥11.0 ≥10.0
Nipple ≥20.0 ≥22.0 ≥22.0
Elastic modulus Electrode GPa ≤12.0 ≤12.0 ≤12.0
Nipple ≤15.0 ≤15.0 ≤15.0
Ash content Electrode % ≤0.2 ≤0.2 ≤0.2
Nipple
Bulk density Electrode g/cm³ 1.68-1.73 1.68-1.73 1.68-1.72
Nipple 1.78-1.83 1.78-1.83 1.78-1.83
(C.T.E) Electrode 10⁻⁶/℃ ≤2.0 ≤2.0 ≤2.0
Nipple ≤1.8 ≤1.8 ≤1.8
RP Graphite Electrode
SPECIFICATION
ITEMS UNIT NOMINAL DIAMETER(MM)
100~200 250~300 350~600 780~1400
Specific resistance Electrode μΩ·m 7.5-8.5 7.5-8.5 7.5-8.5 8.5-10.5
Nipple 5.8-6.5 5.8-6.5 5.8-6.5 5.8-6.5
Transverse strength Electrode MPa ≥10.0 ≥9.0 ≥8.5 ≥7.0
Nipple ≥16.0 ≥16.0 ≥16.0 ≥16.0
Elastic modulus Electrode GPa ≤9.3 ≤9.3 ≤9.3 ≤12.0
Nipple ≤13.0 ≤13.0 ≤13.0 ≤13.0
Ash content Electrode % ≤0.3 ≤0.3 ≤0.3 ≤0.3
Nipple
Bulk density Electrode g/cm³ 1.55-1.64 1.55-1.64 1.55-1.63 1.55-1.63
Nipple ≥1.74 ≥1.74 ≥1.74 ≥1.74
(C.T.E) Electrode 10⁻⁶/℃ ≤2.4 ≤2.4 ≤2.4 ≤2.4
Nipple ≤2.0 ≤2.0 ≤2.0 ≤2.0
CURRENT LOAD
NOMINAL DIAMETER REGULAR POWER
MM INCH CURRENT LOAD (A) CURRENT DENS(A/cm²)
10041500-240019-30
15063000-450016-25
20085000-690015-21
250107000-1000014-20
3001210000-1300014-18
3501413500-1800014-18
4001618000-2350014-18
4501822000-2700013-17
5002025000-3200013-16
5502228000-3400012-14
6002430000-3600011-13
6502632000-3900010-12
7002834000-420009-11
Letter of Authorization
Letter of Authorization