Type: Diameter300-600mm
Name: High Power
Description: High Power Garphite Electrode

Technical properties of HP garphite electrode
1. Physical and chemical index
ltem		unit	Nominal Diameter(mm)
			YB/T4090-2000		Typical Values
			Industry Standard
			200-400	450-550	300-400	450-550
Electric Resistivity	Electrode	μΩ·m	≤7	≤7.5	5.0-6.6	5.4-6.8
	Nipple		≤6.5	≤6.5	4.0-5.0	4.0-5.0
Bending strength	Electrode	Mpa	≥10.5	≥9.8	≥11.0	≥11.0
	Nipple		≥14.0	≥14.0	≥16.0	≥16.0
Elastic modulus	Electrode	Gpa	≤12.0	≤12.0	≤11.0	≤11.0
	Nipple		≤16.0	≤16.0	≤15.0	≤15.0
Bulk density	Electrode	g/cm3	≥1.60	≥1.60	1.63-1.70	1.63-1.70
	Nipple		≥1.70	≥1.70	1.73-1.80	1.73-1.80
Ash	Electrode	%	≤0.3	≤0.3	≤0.3	≤0.3
	Nipple
CET     100-600℃	Electrode	10-6/℃	≤2.4	≤2.4	1.8-2.2	1.8-2.2
	Nipple		≤2.2	≤2.2	1.5-1.8	1.5-1.8
. Recommended current carrying capacity
		YB/T4089-2000		BSTS-HP
Nominal Diameter		Current Carrying Capacity	Current Density	Electrical arc furnace		ladle Refining furnace
				Current Carrying Capacity	Current Density	Current Carrying Capacity	Current Density
in	mm	A	A/cm2	A	A/cm2	A	A/cm2
12	300	13000-17400	17-24	13000-17500	18-25	15000-21000	21-29
14	350	17400-24000	17-24	17500-24500	18-25	20000-28000	21-29
16	400	21000-31000	16-24	21500-32000	17-25	24000-35000	19-28
18	450	25000-40000	15-24	26000-40500	16-25	29000-45000	18-28
20	500	30000-48000	15-24	32000-50000	16-25	34000-54000	17-27
22	550	35000-55000	14-22	37000-57000	15-23	40000-62000	16-25