Graphite Electrode HP

Description

Graphite Electrode HP : High-power graphite electrodes (EGP-HP) are manufactured for operation at currents not exceeding 18-25 A / cm2
 
HP Graphite Electrodes Application : HP graphite electrodes for sale mainly used for high-power arc furnace and ladle furnaces
  
Our advantages of Graphite Electrodes HP: RS Kiln Refractory Group can produce various specifications HP graphite electrode in accordance with customer requirements, such as hp 450 graphite electrode, etc. As graphite electrodes manufacturer from China, you can buy directly from the factory, with high-quality products and profitable price.
 

Technical Characteristics of Graphite Electrode EGP / HP

Name	Unit	diameter of electrode 300mm-600mm
		standard		Actual measurement
		Electrode	Nipple	Electrode	Nipple
Specific electrical resistivity	μOhm • m	7.0-7.5	6.5.	6.5-7.0	6th
Limit of mechanical resistance to bending	MPa	9.8-10.5	14	12-15	15-18
Elastic modulus	GPa	12	16	12	14
Ash content, not more than	%	0.3	0.3	0.3	0.3
Bulk density, not less than	g / cm3	1.6	1.7.	1.68-1.73	1.75
Thermal coefficient of linear expansion	× 10-6 / ℃	2.4	2.2	2.2	2

 
The Length & Diameter & Permissible Deviation of Graphite Electrode EGP / HP

Diameter				Length
Nominal diameter		Actual diameter		Nominal length	tolerance
Millimeters (mm)	Inch (inch)	Max. (Max.)	Min (min)	mm	Length	the maximum
300	12	307	302	1600 1800	± 100	-100	-275
350	14	357	352
400	16	409	403
450	18	460	454
500	20	511	505	1600/1800/2000/2200 1800/2000/2200 1800/2000/2200/2400 1800/2000/2200 1800/2000/2200	± 100	-100	-275
550	22	556	553
600	24	613	607

 
Graphite Electrode EGP / HP Current Capacity
 

Nominal diameter		Permissible current power	The current density (A / cm2)
Millimeter (mm)	Inch (inch)
300	12	10000-13000	17-24
350	14	13500-18000	17-24
400	16	18000-23500	16-24
450	18	22000-27000	16-24
500	20	25000-32000	15-24
600	24	30000-36000	14-24