Graphite Electrode for Steel Making

• Carbon Content: High-Carbon
• Customization: Yes
• Expansion Ratio: >150ml/g
• Model NO.: Graphite Electrode
• Grain Size: 297μm
• Composition: C
• Forming Way: Extruded Graphite
• Grade: Industrial Grade
• Transport Package: 1kg Per Foil Bag, 10 Bags Per Carton. 25 Kg Per Dr
• Specification: 1kg per Foil Bag, 10 Bags per carton. 25 kg per Dr
• Trademark: boda
• Origin: China
• Production Capacity: 100tons/Year

Product Description

 

Specifications for RP, HP, UHP graphite electrodes with nipples:

RP	HP	UHP
Electrode: Bulk Density≥ 1.56g/cm3  Specific Resistivity≤ 8.5μm  Bending Strength≥ 10.0MPa  Elastic Modulus≤ 9.3GPa Thermal Expansion Coefficient≤ 2.7x10 -6/°C Ash≤ 0.5%   Nipple: Bulk Density≥ 1.68g/cm3  Specific Resistivity≤ 7.0μm  Bending Strength≥ 14.0MPa Elastic Modulus≤ 13.7GPa Thermal Expansion Coefficient≤ 2.5 x10 -6/°C Ash≤ 0.5%	Electrode: Bulk Density≥ 1.65g/cm3  Specific Resistivity≤ 6.5μm  Bending Strength≥ 12.0MPa  Elastic Modulus≤ 10.0GPa Thermal Expansion Coefficient≤ 2.2x10 -6/°C Ash≤ 0.3%   Nipple: Bulk Density≥ 1.74g/cm3  Specific Resistivity≤ 5.5μm  Bending Strength≥ 16.0MPa Elastic Modulus≤ 14.0GPa Thermal Expansion Coefficient≤ 2.0 x10 -6/°C Ash≤ 0.3%	Electrode: Bulk Density≥ 1.68g/cm3  Specific Resistivity≤ 5.8μm  Bending Strength≥ 16.0MPa  Elastic Modulus≤ 14.0GPa Thermal Expansion Coefficient≤ 1.9x10 -6/°C Ash≤ 0.2%   Nipple: Bulk Density≥ 1.76g/cm3  Specific Resistivity≤ 4.5μm  Bending Strength≥ 18.0MPa Elastic Modulus≤ 16.0GPa Thermal Expansion Coefficient≤ 1.4 x10 -6/°C Ash≤ 0.2%

Graphite electrode is mainly used in arc steel-making furnace, ore-smelting electric furnace, resistance furnace, etc., with good thermal conductivity, high temperature resistance, is widely used in metallurgy, machinery, electrical, chemical, textile, national defense and other industrial sectors. Graphite electrode is generally divided into ordinary power graphite electrode, high power graphite electrode and ultra high power graphite electrode.

Category	No.	Specifications
		Diameter (mm)	Length (mm)
Ultra high power graphite electrode	1	300	1800
	2	350	1800
	3	400	2200
	4	450	1800
	5	500	2200
	6	550	2300
	7	600	2400
	8	700	2700

Technical Properties of Ultra High Power Graphite Electrodes and nipple
Item	Classification	Unit	NominalDiameter (mm)
			300-400		450-500		550-700
Electric Resistivuty(<=)	Elatrode	μΩ.m	6.2		6.2		6.3
	Nipple		5.0		5.0		4.5
Bending strength(>=)	Elatrode	Mpa	10.5		10.5		11.0
	Nipple		18.0		18.0		20.0
Elastic moduluc(<=)	Elatrode	Gpa	14.0		14.0		14.0
	Nipple		18.0		18.0		22.0
Bulk density(>=)	Elatrode	g/cm^3	1.66		1.66		1.66
	Nipple		1.75		1.75		1.75
CTE(<=)	Elatrode	X10^-6/ºC	1.5		1.5		1.4
	Nipple		1.4		1.4		1.2
Ash(<=)		%	0.3		0.3		0.5
Note: Ash content and thermal expansion coefficient are parameter indicators

Our factory provides graphite electrodes of different specifications with diameters from 50-900mm (2 '- 36'), including Regular power graphite electrode (RP), impregnated graphite electrode, high power graphite electrode (HP) and ultra-high power graphite electrode (UHP).


We have a complete set of graphite electrode production line. The graphite electrode of our products has the advantages of compact structure, good electrical and thermal conductivity, strong oxidation resistance and corrosion resistance, low resistivity and large current load resistance. It is widely used in heavy industrial electric arc furnace, steel plant, foundry and other related industries.

Packaging Details :in wooden case or package as customer's order
Usage: An increasing proportion of global steel is made using electric arc furnaces, and the electric arc furnace itself is getting more efficient and making more steel per tonne of electrode