Product Information and Main Parameters

The major products of our company include the Φ100mm—Φ700mm ordinary graphite electrode, high power and ultra-high power graphite electrode and etc. Our graphite electrode is characterized by its high physical volume density, its super anti-press power, its low rate of electric resistance, and its strong anti-oxidizes. The quality of our product is recognized by the quality examination center of the national metallurgy carbon material sampling analyze to all attain the YB/T4088-2015、YB/T4089-2015、YB/T4090-2015.

Graphite Electrode Spectftcations

Items		Regular power			High power			Ultrahigh power
		⌽200-300	⌽350-600	⌽700	⌽200-400	⌽450-600	⌽700	⌽250-400	⌽450-600	⌽700
ResistanceμΩm（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
BulkDensityg/cm3（Min）	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
BendingStrengthMpa（Min）	Electrode	8.5	7.0	6.5	10.5	9.8	10.0	11.0		11.0
	Nipple	15.0		15.0	16.0		16.0	20.0		20.0
Young'smodulusGpa（Max）	Electrode	9.3		9.0	12.0		12.0	14.0		14.0
	Nipple	14.0		14.0	16.0		16.0	18.0		22.0
Ash%（Max）	Electrode	0.5		0.5	0.3		0.3	0.3		0.3
	Nipple	0.5		0.5	0.3		0.3	0.3		0.3
CTE(100-600℃)×10-6/℃	Electrode	2.9		2.9	2.4		2.4	1.5		1.4
	Nipple	2.8		2.8	2.2		2.2	1.4		1.2

Standard Sizes of Electrode

Standard sizes of electrode
Specifications(inch)	Allowable Diameter(mm)			Allowable Length(mm)
	Nominal Diameter	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

If there are special specification requirements,both sides consult supply and demand.

Standard Sizes of Nipples and Sorkets

Standard Sizes of Nipplesand Sorkets
Norainal Diameter	Nipple						Sockct				Pitch
Norainal Diameter	D		L	d		1	b1		H		Pitch
225	139.70	0-0.5	203.20	90.73	0-5	<10	131.27	+0.5	107.60	+70	8.47
250	155.57		220.00	103.80			147.14		116.00
300	177.16		270.90	116.90			168.73		141.50
350	215.90		304.80	150.00			207.47		158.40
400	215.90		304.80	150.00			207.47		158.40
400	241.30		338.70	169.80			232.87		175.30
450	241.30		338.70	169.80			232.87		175.30
450	273.05		355.60	198.70			264.62		183.80
500	273.05		355.60	198.70			264.62		183.80
500	298.45		372.60	221.30			290.02		192.20
550	298.45		372.60	221.30			290.02		192.20
200	122.24	0-0.5	177.80	80.00	0-5	<7	115.92	+0.5	94.90	+70	6.35
225	139.70		177.80	97.46			133.38		94.90
250	152.0		290.50	108.00			146.08		101.30
300	177.80		215.90	129.20			171.48		114.00
350	203.20		254.00	148.20			196.88		133.00
400	222.25		304.80	158.80			215.93		158.40
400	222.25		355.60	150.00			215.93		183.80
450	241.30		304.80	177.90			234.98		158.40
450	241.30		355.60	169.42			234.98		183.80
500	269.88		355.60	198.00			263.56		183.80
500	269.88		457.20	181.08			263.56		234.60
550	298.45		355.60	226.58			292.13		183.80
550	298.45		457.20	209.65			292.13		234.60
600	317.50		335.60	245.63			311.18		183.80
600	317.50		457.20	228.70			311.18		234.60
700	374.65		457.20	285.84			36833		234.60
700	374.65		558.80	268.91			368.33		258.40

Current Carrying Capacity for Graphite Electrod

Nominal Diameter(mm)	Regular Power		High Power		Ulra High Power
Nominal Diameter(mm)	Current Load（A）	Current Density（A/cm2)	Current Load（A）	Current Density（A/cm2)	Current Load（A）	Current Density（A/cm2)
200	5000-6900	15-21	5500-9000	18-25	————	————
225	6100-8600	15-21	6500-10000	18-25	————	————
250	7000～10000	14-20	8000～13000	18-25	————	————
300	10000～13000	14-18	13000～17400	17-24	15000～22000	20-30
350	13500～18000	14-18	17400～24000	17-24	20000～30000	20-30
400	18000～23500	14-18	21000～31000	16-24	25000～40000	19-30
450	22000～27000	13-17	25000～40000	15-24	32000～45000	19-27
500	25000～32000	13-16	30000～48000	15-24	38000～55000	18-27
550	32000～40000	13-16	37000～57000	15-23	42000～66000	17-26
600	38000～47000	13-16	44000～67000	15-23	49000～88000	17-26
700	48000～59000	12-15	59620～83600	13-18	70000-110000	17-24

Reference Tightening Torque

Electrode Diameter（mm）	75	100	150	200	250	300
Tightening Torque（N.m）	22-28	45-55	100-125	200-260	350-450	500-600
Electrode Diameter（mm）	350	400	450	500	550	600
Tightening Torque（N.m）	700-950	850-1150	1050-1400	1300-1700	1850-2400	2300-3000

Container Torque

Container Transportating
When shipped by containers, the size and quantity of electrodesper 8820 feet containerareas below.Pieces of electrodes with presetted nipples can beloaded into each container.
Diameter		Length		Quantity of electroders per contaner with corresponding nipples(presetted)
mm	Inch	mm	Inch
200	8	1600	60	192
225	9	1600	60	165
225	9	1800	72	132
250	10	1600	60	126
250	10	1800	72	119
300	12	1800	72	84
350	14	1800	72	69
400	16	1800	72	45
400	16	2100	84	39
450	18	1800	72	40
450	18	2100	84	28
500	20	1800	72	30
500	20	2100	84	28
550	22	2100	84	20
600	24	2100	84	16
600	24	2400	96	16
700	28	2400	96	12
700	28	2800	110	12