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

Technical properties of UHP garphite electrode
1. Physical and chemical index
ltem		unit	Nominal Diameter(mm)
			YB/T4090-2000		Typical Values
			Industry Standard
			300-400	450-550	300-400	450-550
Electric Resistivity	Electrode	μΩ·m	≤6.2	≤6.5	4.6-6.0	4.8-6.2
	Nipple		≤5.5	≤5.5	3.0-4.5	3.5-4.5
Bending strength	Electrode	Mpa	≥10.5	≥10.0	≥11.0	≥11.0
	Nipple		≥16.0	≥16.0	≥18.0	≥18.0
Elastic modulus	Electrode	Gpa	≤14.0	≤14.0	≤13.0	≤13.0
	Nipple		≤18.0	≤18.0	≤17.0	≤17.0
Bulk density	Electrode	g/cm3	≥1.65	≥1.64	1.66-1.72	1.65-1.72
	Nipple		≥1.72	≥1.70	1.75-1.82	1.75-1.82
Ash	Electrode	%	≤0.3	≤0.3	≤0.3	≤0.3
	Nipple
CET    (100-600℃	Electrode	10-6/℃	≤1.5	≤1.5	1.2-1.4	1.2-1.4
	Nipple		≤1.4	≤1.4	1.1-1.3	1.1-1.3
2. Recommended current carrying capacity
		YB/T4090-2000		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
14	350	20000-30000	20-30	22000-31000	22-32	24000-33000	25-34
16	400	25000-40000	19-30	28000-41000	22-32	31000-44000	24-34
18	450	32000-45000	19-27	33000-46000	20-28	36000-49000	22-30
20	500	38000-55000	18-27	38000-56000	19-28	42000-60000	21-30
22	550	42000-62000	17-25	45000-65000	18-26	50000-70000	20-28