Bottom price Graphite Electrodes With Nipple Preset - Small Diameter Graphite Electrode – MORKIN

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Graphite electrode is a kind of high temperature resistant graphite conductive material made of petroleum coke and needle coke as aggregate and coal asphalt as binder through raw material calcination, crushing and grinding, batching, kneading, extruding, baking, impregnation, graphitization and mechanical processing. It is called artificial graphite electrode.

Item		Unit	RP	HP
Item		Unit	φ75-φ800mm	φ200-φ700mm
Resistivity	Electrode	μΩm	7.0-10.0	5.8-6.6
Resistivity	Nipple	μΩm	4.0-4.5	3.5-4.0
Modulus of Rupture	Electrode	Mpa	8.0-10.0	10.0-13.0
Modulus of Rupture	Nipple	Mpa	19.0-22.0	20.0-23.0
Young’s Modulus	Electrode	GPa	7.0-9.3	8.0-12.0
Young’s Modulus	Nipple	GPa	12.0-14.0	14.0-16.0
Bulk Density	Electrode	g/cm3	1.53-1.56	1.64-1.68
Bulk Density	Nipple	g/cm3	1.70-1.74	1.75-1.80
CTE (100-600℃)	Electrode	10-6/℃	2.2-2.6	1.6-1.9
CTE (100-600℃)	Nipple	10-6/℃	2.0-2.5	1.1-1.4
Ash		%	0.5	0.3

Nominal Diameter		RP		HP		UHP
Millimeter	Inch	Current Carrying Capacity	Current Density	Current Carrying Capacity	Current Density	Current Carrying Capacity	Current Density
mm	Inch	A	A/cm²	A	A/cm²	A	A/cm²
75	3’’	1000-1400	22-31
100	4’’	1500-2400	19-30
130	5’’	2200-3400	17-26
150	6’’	3000-4500	16-25
200	8’’	5000-6900	15-21	5500-6900	18-25
250	10’’	7000-10000	14-20	6500-10000	18-25	8100-12200	20-30
300	12’’	10000-13000	14-18	13000-17400	17-24	15000-22000	20-30
350	14’’	13500-18000	14-18	17400-24000	17-24	20000-30000	20-30
400	16’’	18000-23500	14-18	21000-31000	16-24	25000-40000	19-30
450	18’’	22000-27000	13-17	25000-40000	15-24	32000-45000	19-27
500	20’’	25000-32000	13-16	30000-48000	15-24	38000-55000	18-27
550	22’’	28000-34000	12-14	34000-53000	14-22	45000-65000	18-27
600	24’’	30000-36000	11-13	38000-58000	13-21	50000-75000	18-26
650	26’’	32000-39000	10-12	41000-65000	12-20	60000-85000	18-25
700	28’’	34000-42000	9.0-11	45000-72000	12-19	70000-120000	18-30

3TPI Thread Detail of Graphite Nipple

Graphite Nipple

4TPI Thread Detail of Graphite Nipple

Graphite Nipple 2
small diameter graphite electrode
small size graphite electrode

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Electrode Graphite China