RP Graphite Electrode for Mine Heating Furnace

• Type: Graphite Electrodes
• Composition: Graphite
• Carbon Content: High-Carbon
• Grade: RP
• Forming Way: Extruded Graphite
• Crystal Morphology: Compact Crystalline Graphite
• Model NO.: RP600
• Bulk Density: Min. 1.6g/cm3
• Ash: Max. 0.3%
• Resistance: Max. 8.5μΩ .M
• Transverse Strength: Min. 6MPa
• Transport Package: Wooden Pallet
• Specification: OD600MM
• Trademark: SINCERCARBON
• Origin: China
• HS Code: 85451100
• Production Capacity: 50000t/Y

Product Description

Standard for RP Graphite Electrodes and Nipples
Items	Name	Unit	Nominal diameter (mm)
			200-300	350-600	780-1400
Specific resistance	Electrode	μΩ .m	7.5-8.5	7.5-8.5	8.5-10.5
	Nipple		6.5-7.0	6.5-7.0	6.5-7.0
Transverse strength	Electrode	Mpa	≥8.5	≥7.8	≥6.0
	Nipple		≥13.0	≥13.0	≥13.0
Elastic module	Electrode	Gpa	≤9.3	≤9.3	≤12.0
	Nipple		≤13.0	≤13.0	≤13.0
Ash content	Electrode	%	≤0.3	≤0.3	≤0.3
	Nipple		≤0.3	≤0.3	≤0.3
Bulk density	Electrode	g/cm³	1.55-1.60	1.55-1.60	1.59-1.62
	Nipple		1.63-1.68	1.63-1.68	1.65-1.70
C.T.E (100-600)ºC	Electrode	10-6/ºC	≤2.9	≤2.9	≤2.9
	Nipple		≤2.7	≤2.8	≤2.8

Allowable Current of RP Graphite Electrodes
Nominal diameter (mm)	Allowable current (A)	Current density (A/cm2)
200-300	10000-13000	15-21
350-600	13500-32000	14-19