Graphite Electrode HP

Description

Name : High-power graphite electrodes (EGP-HP) are manufactured for operation at currents not exceeding 18-25 A / cm2
 
Application : For high-power arc furnace and ladle furnaces
  
Our advantages : Manufacturer from China; Buy directly from the factory; High-quality products; Profitable price; We can produce various specifications in accordance with customer requirements.
 

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