High Quality Graphite Electrodes

1.Grade:RP,RPI,HP,SHP,UHP (ISO9001:2008) 2.Diameter:40-600mm or1.6"-24" 3.Length:250-2400mm or10"-96" Nipples:3TPI,4TPI

1.Applications

Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.

2.Programmable properties1.Good electrical conductivity2.High resistance to thermal shock 3.High mechanical strength

3.Grades:

RP, RPI, HP, SHP, UHP

All graphite electrodes are offered with tapered nipples, i.e. 3 or 4 threads per inch, and meet the internationally accepted tolerances as per NEMA CG 1/ IEC 60239 / JIS R7201 standards.

4.Specifications

Item		Unit	Regular-power				Impregnated
			φ75-130	φ150-225	φ250-300	φ350-500	φ75-200	φ250-350	φ400-500
Specific Resistance (≤)	E	μ Ω·m	8.5	9	9	9	8	8	8
	N		8	8	8	8	7.5	7.5	7.5
Bending Strength (≥)	E	MPa	9.8	9.8	7.8	6.4	10	9	8
	N		13	13	13	13	15	15	15
Elastic Modulus (≤)	E	GPa	9.3	9.3	9.3	9.3	12	12	12
	N		14	14	14	14	14	14	14
Bulk Density (≥)	E	g/cm3	1.58	1.52	1.52	1.52	1.58	1.58	1.58
	N		1.63	1.63	1.68	1.68	1.68	1.68	1.68
C.T.E.(≤)(100-600°C)	E	10-6/°C	2.9	2.9	2.9	2.9	2.7	2.7	2.7
	N		2.7	2.7	2.8	2.8	2.5	2.5	2.5
Ash(≤)		%	0.5	0.5	0.5	0.5	0.3	0.3	0.3

Item		Unit	High-power		Super high-power		Ultra high-power
			φ200-400	φ450-500	φ350-400	φ450-500	φ300-400	φ450-500
Specific Resistance(≤)	E	μ Ω·m	7	7.5	6.5	7	6.2	6.5
	N		6.5	6.5	6	6	5.5	5.5
Bending Strength (≥)	E	MPa	10.5	9.8	10.5	10	10.5	10
	N		15	15	16	16	16	16
Elastic Modulus (≤)	E	GPa	12	12	13	13	14	14
	N		16	16	17	17	18	18
Bulk Density (≥)	E	g/cm3	1.6	1.6	1.62	1.62	1.65	1.64
	N		1.7	1.7	1.71	1.71	1.72	1.72
C.T.E.(≤)(100-600°C)	E	10-6/°C	2.4	2.4	2.2	2.2	1.5	1.5
	N		2.2	2.2	1.8	1.8	1.4	1.4
Ash(≤)		%	0.3	0.3	0.3	0.3	0.3	0.3

High Quality Graphite Electrodes