Graphite Electrodes

Graphite Electrodes

Graphite_Electrodes

Connecting Nipples and Electrodes
Dimensions of Tapered Nipples
Current Carrying Capacity and Density
Specifications & Allowance
Technical Properties

Diameter of Electrode		Moment		Diameter of Electrode		Moment
in	mm	ft-1bs	kgs-m	in	mm	ft-1bs	kgs-m
3	75	22	3	12	300	720	100
4	100	43	6	14	350	1190	165
5	130	72	10	16	400	1450	200
6	150	110	15	17	425	1660	230
7	175	160	22	18	450	1800	250
8	200	230	32	20	500	2310	320
9	225	330	45	22	550	2750	380
10	250	430	60	24	600	3110	430

	Diameter		Nipple mm							Socket mm				Pitch mm
	inch	mm	D		L		d2		l	d1		H		Pitch mm
3TPI	10	250	155.58		220.10		103.80			147.14		113.05
	12	300	177.17		270.90		116.90			168.73		138.45
	14	350	215.90		304.80		150.00			207.47		155.40
	16	400	241.30	0	338.60	0	169.80	0	10	232.87	+0.50	172.30	+7	8.47
	18	450	273.05	-0.50	355.60	-1	198.70	-3		264.62	0	180.80	0
	20	500	298.45		372.50		221.30			290.03		189.25
	22	550	298.45		372.50		221.72			290.02		189.25
	24	600	336.55		457.20		245.70			328.11		231.60

Diameter		Nipple mm							Socket mm					Pitch mm
inch	mm	D		L		d2		l	d1		H			Pitch mm
4TPI	3	75	46.04		76.20		20.80			39.72		41.10		6.35
	4	100	69.85		101.60		40.30			63.53		53.80
	5 1/8	130	79.38		127.00		45.60			73.06		66.50
	6	150	92.08		139.70		56.20			85.76		72.85
	8	200	122.24		177.80		80.00			115.92		91.90
	10	250	152.40	0	190.50	0	108.00	0	6	146.08	+0.5	101.30	+7
	12	300	177.80	-0.5	215.90	-1	129.20	-3		171.48	0	114.00	0
	14	350	203.20		254.00		148.20			196.88		133.00
	16	400	222.25		304.80		158.80			215.93		158.40
	18	450	241.30		304.80		177.90			234.98		158.40
	20	500	269.88		355.60		198.00			263.56		183.80
	22	550	298.45		355.60		223.36			292.13		183.80
	24	600	317.50		355.60		242.41			311.18		183.80

Nominal Diameter mm	Regular Power		High Power		Ultra High Power
Nominal Diameter mm	Current Carrying Capacity A	Current Density A/cm²	Current Carrying Capacity A	Current Density A/cm²	Current Carrying Capacity A	Current Density A/cm²
75	1000-1400	22-31	-	-	-	-
100	1500-2400	19-30	-	-	-	-
130	2200-3400	17-26	-	-	-	-
150	3000-4500	16-25	-	-	-	-
200	5000-6900	15-21	-	-	-	-
250	7000-10000	14-20	-	-	-	-
300	10000-13000	14-18	13000-17400	17-24	-	-
350	13500-18000	14-18	17400-24000	17-24	-	-
400	18000-23500	14-18	21000-31000	16-24	25000-4000	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	30000-42000	13-18	44000-58000	18-24	48000-66000	20-28
600	40000-53000	14-19	52000-67000	18-24	55000-76000	19-27

Diameter				Length
Diameter		Actual Diameter		Length mm	Allowance mm
inch	mm	MAX	MIN	Length mm	Allowance mm
3	75	77	74	1000	+50 -75
4	100	102	99	1200
5 1/8	130	131	128	1200
6	150	154	151	1600	±100
8	200	204	201	1600
10	250	256	252	1600 1800
12	300	307	303
14	350	357	353
16	400	408	404	1800 2000
18	450	459	455
20	500	510	506
22	550	561	557	2000-2500
24	600	612	608	2000-2500

Items			Unit	Nominal Diameter(mm)
				Regular Power				High Power	Ultra High Power
				75-130	150-200	250-350	400-500	300-500	400-600
Resistivity	Max	Electrode	μΩm	8.5	9.0	9.0	9.0	7	6.5
Resistivity	Max	Nipple	μΩm	8.5	8.5	8.5	8.5	6.5	6.5
Bending Strength	Min	Electrode	Mpa	9.8	9.8	7.8	6.4	9.8	10.0
Bending Strength	Min	Nipple	Mpa	12.7	12.7	12.7	12.7	14.0	15.0
Elastic Modulus	Max	Electrode	GPa	9.3	9.3	9.3	9.3	12.0	14.0
Elastic Modulus	Max	Nipple	GPa	13.7	13.7	13.7	13.7	14.0	15.0
Bulk Density	Max	Electrode	g/cm³	1.58	1.52	1.52	1.52	1.60	1.65
Bulk Density	Max	Nipple	g/cm³	1.63	1.63	1.68	1.68	1.70	1.70
Ash Content	Max	-	%	0.5	0.5	0.5	0.5	0.3	0.3
C.T.E 100-600℃	Max	Electrode	μK^-1	2.9	2.9	2.9	2.9	2.2	1.4
C.T.E 100-600℃	Max	Nipple	μK^-1	3.0	3.0	3.2	3.2	2.4	1.6

Website by Quick Connect | Lincoln & Omaha