UHP Graphite Electrode

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Product Description

Putting in premium quality raw materials and leading edge technology, we have achieved excellency in manufacturing UHP Graphite Electrode in a perfect manner. The following UHP Graphite Electrode is made as per to the set standards. This product is made on a massive scale due to its wide usage in common space. The delivery of this UHP Graphite Electrode is done at a very reasonable price rate within a short span of time.

Specification:

Nominal diameter	Inch	Actual diameter		Nominal length	Allowable variation
					Off-size length
					length	Maximum	Minimum
350	14	357	352	1800-2000-2100	100	-100	-275
400	16	409	403
450	18	460	454
500	20	511	505	2000-2100-2250-2400-2700	100	-100	-275
550	22	562	553
600	24	613	607
700	26	714	708	2400-2700	100	-100	-275

Technical Indicators of Ultra high power graphite electrode

Items	Classification	Unit	Nominal Diameter (mm)
			Ultra High Power Graphite Electrodes
			350-400	450-500	550-600
Resistivity	Electrode	m	6.2	6.3	6.3
Resistivity	Nipple	m	5.0	5.0	4.5
Bending Strength	Electrode	Mpa	10.5	10.5	11.0
Bending Strength	Nipple	Mpa	18.0	18.0	20.0
Youngs Modulus	Electrode	Gpa	14.0	14.0	14.0
Youngs Modulus	Nipple	Gpa	18.0	18.0	22.0
Bulk Density	Electrode	g/cm3	1.66	1.66	1.66
Bulk Density	Nipple	g/cm3	1.75	1.75	1.75
CTE (100-600)	Electrode	10-6/	1.5	1.5	1.4
CTE (100-600)	Nipple	10-6/	1.4	1.4	1.2
Ash Content		%	0.3	0.3	0.5

Recommended current load of UHP Graphite Electrodes:

Grade	Nominal Dia.	Allowable current A		Current density A/cm2
UHP electrode		AC	DC	AC	DC
	300mm	1500022000		2030
	350mm	2000030000		2030
	400mm	2500040000		1930
	450mm	3200045000		1927
	500mm	3800055000		1827
	550mm	4500065000	4900078000	1827	2032
	600mm	5000075000	5800093000	1826	2032
	650mm	6000085000	60000110000	1825	2030
	700mm	70000120000	79000130000	1830	2030