UHP Graphite electrode

Origin: China
Supply Type: oem service
Processing Time: 7-15 days or according your quantity

Supplier Info.

Company Name Hebei Qinyuan New Material Technology Co.,Ltd/Molong Carbon
Membership:
Business Type: Manufacturer, Trading Company, Agent, Distributor/Wholesaler

Employees Total 5
Annual Revenue

Grate Electrode Artificial grate electrode is made of high-quality low ash materials, such as petroleum coke, needle cokeand coal pitch.after calcining,burdening,kneading,forming,baking and pressure impregnation, gratizationand then precision machined with professional CNC of the products own characteristics withlow resistivity, good electrical conductivity ,low ash, compact structure,good anti oxidation and high mechanical strength, so it is the best conductive material for electric arc furnace and smelting furnace. Grate electrode size detail:

RP / HP / SHP / UHP Grate electrode
Standard sizes of electrode
Specification ( Inch )	Allow Diamater (mm)			Allowable Length (mm )
	Nominal Diamater	Max	Min	Nominal Length	Max	Min
6	150	154	151	1600	1700	1500
				1800	1875	1700
8	200	205	200	1600	1700	1500
				1800	1875	1700
9	225	230	225	1600	1700	1500
				1800	1875	1700
10	250	256	251	1600	1700	1500
				1800	1875	1700
12	300	307	302	1800	1875	1700
14	350	357	352	1600	1700	1500
				1800	1875	1700
16	400	409	403	1600	1500	1500
				1800	1875	1700
				2100	2175	1975
18	450	460	454	1800	1875	1700
				2100	2175	1975
				2400	2475	2275
20	500	511	505	1800	1875	1700
				2100	2175	1975
				2400	2475	2275
22	550	562	556	2100	2175	1975
				2400	2475	2275
24	600	613	607	2100	2175	1975
				2400	2475	2275
				2800	2850	2550
28	700	714	708	2400	2475	2275
				2800	2850	2550

sical and chemical index

Item		RP								HP								UHP
		Î¦200-300			Î¦350-600			Î¦700		Î¦200-400			Î¦550-700	Î¦700				Î¦200-400	Î¦450-600			Î¦700
ResistivityÎ¼Î©M (Max)	Electrode	7.5						8.0		6.5					7.0			5.5			5.5
	Nipple	6.0						6.5		5.0					5.5			3.8				3.6
Bulk density g/cmÂ³	Electrode	1.53		1.52				1.53		1.62		1.60		1.62				1.67		1.66		1.66
	Nipple	1.69							1.68	1.73				1.72				1.75				1.78
Bending strength Mpa	Electrode	8.5	7.0				6.5			10.5		9.8				10		11				11
	Nipple	15.0								16.0								20.0
Elastic modulus Gpa	Electrode	9.3				9.0				12.0							12.0	14.0				14.0
	Nipple	14.0								16.0								18.0				22.0
Ash, % (Max)	Electrode	0.5									0.3							0.3
	Nipple
CTE(100-600ÂºC) *10-6/ÂºC	Electrode	2.9								2.4								1.5				1.4
	Nipple	2.8								2.2								1.40				1.2

Recommended current carrying capacity

Nominal diameter(mm)		RP		HP		UHP
Nominal diameter(mm)		Current carrying capacity	Current density	Current carrying capacity	Current density	Current carrying capacity	Current density
in	mm	A	A/cm2	A	A/cm2	A	A/cm2
12	300	10000-13000	14-18	13000-17400	17-24	15000-22000	20-30
14	350	13500-18000	14-18	17400-24000	17-24	20000-30000	20-30
16	400	18000-23500	14-18	21000-31000	16-24	25000-40000	19-30
18	450	22000-27000	13-17	25000-40000	15-24	32000-45000	19-27
20	500	25000-32000	13-16	30000-48000	15-24	38000-55000	18-27
22	550	28000-34000	12-14	34000-53000	14-22	45000-65000	18-27
24	600	30000-36000	11-13	38000-58000	13-21	50000-75000	18-26
28	700	34000-42000	9-11	45000-72000	12-19	70000-120000	18-25
32	800	43000-54000	8-10	----	----	----	----