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Carbon Products

Carbon

TECHNICAL PROPERTIES OF GRAPHITE ELECTRODES

Item	unit	MM NP Dia					MM HP Dia		MM UHP Dia
Item	unit	75-130	150-200	250-350	400-500	550-700	300-500	550-700	350-500	550-700
Bulk Electrode Density Nipple	g/cm3	≥1.58 ≥1.58 ≥1.63	≥1.52 ≥1.54 ≥1.63	≥1.52 ≥1.54 ≥1.68	≥1.52 ≥1.58 ≥1.68	_____ ≥1.58 _____	≥1.62 ______ ≥1.70	_____ 1.66-1.72 _____	≥1.65 _____ ≥1.70	≥1.65 1.70-1.75 ______
Electric Electrode Resistivity Nipple	μΩ.m	8.5-10.0 7.50-9.0 ≤8.5	9.0-11.0 7.50-9.0 ≤8.5	9.0-11.0 7.50-9.0 ≤8.5	9.0-11.0 7.50-9.0 ≤8.5	_____ 8.00-11.0 _____	≤7.0 _____ ≤6.5	____ 5.90-7.00 _____	≤6.5 _____ ≤5.5	≤6.5 5.00-6.5 _____
TransverseElectrode Strength Nipple	MPa	≥9.8 9.8-12.5 ≥12.7	≥9.8 9.8-12.5 ≥12.7	≥7.8 7.8-12.0 ≥12.7	≥6.4 6.5-12.0 ≥12.7	_____ 6.5-11.0 _____	≥9.8 _____ ≥14.0	____ 9.6-14.0 _____	≥10.0 _____ ≥15.0	≥10.0 10.5-14.2 ______
Young's Electrode Modulus Nipple	GPa	≤9.3 5.60-9.20 ≤13.7	≤9.3 5.60-9.20 ≤13.7	≤9.3 5.60-9.20 ≤13.7	≤9.3 5.60-9.20 ≤13.7	_____ 5.60-9.20 _____	≤12.0 _____ ≤14.0	____ 7.0-10.0 ____	≤14.0 _____ ≤15.0	≤14.0 7.30-11.8 ______
Coefficient Electrode Thermal Nipple expansion	10-6 K-1	≤2.9 2.20-2.9 ≤3.0	≤2.9 2.20-2.9 ≤3.0	≤2.9 2.20-2.9 ≤3.2	≤2.9 2.20-2.9 ≤3.2	______ 2.20-2.9 _____	≤2.2 _____ ≤2.4	____ 2.00-2.0 ____	≤1.4 _____ ≤1.6	≤1.4 1.20-1.40 _____
Safe emperature	℃	_____ 550 _____	_____ 550 _____	_____ 550 _____	_____ 550 _____	_____ 550 _____	_____ 560 _____	____ 560 ____	____ 570 ____	_____ 570 ____
Ash	%	≤0.5 0.20-0.5 ≤0.5	≤0.5 0.20-0.5 ≤0.5	≤0.5 0.20-0.5 ≤0.5	≤0.5 0.20-0.5 ≤0.5	_____ 0.20-0.5 _____	≤0.3 ____ ≤0.3	____ 0.20-0.30 _____	≤0.3 ____ ≤0.3	≤0.3 0.20-0.30 ______

GRAPHITE ELECTRODE PACKING PACKAGE DIMENTIONS

Nominal Diameter		Electrode			Nipple
mm	inch	Number Bunch pcs	Approx Net Weight kg	OverallSize mm	Number Bunch pcs	Approx Net Weight kg	OverallSize mm
75x1200	3x47	35	350	1450x640x500	480	58	1300x600x290
100x1200	4x47	30	480	1450x710x650	180	90	1050x450x450
130x1200	5.5x47	20	500	1450x735x650	240	168	1420x500x540
150x1600	6x60	12	528	1800x700x550	192	192	1330x500x750
200x1600	8x60	4	310	1800x1050x350	132 24	330 60	1620x670x770 1220x520x325
250x1600 200x1800	10x60 10x72	7 7	840 1028	1800x1060x610 2050x1060x610	84 14	430 72	1310x800x840 1330x445x350
300x1600 300x1800	12x60 12x72	3 3	513 618	1800x960x450 2050x960x450	48 10	390 82	1280x900x700 1075x500x405
350x1800	14x72	3	831	2050x1100x500	30 8	416 112	1250x800x770 1000x565x435
400x1800	16x72	3	1074	2050x1250x550	30 10	610 204	1430x900x820 1400x620x480
450x1800	18x72	2	900	2050x950x550	6	163	1000x700x520
500x1800	20x72	2	1100	2050x1050x600	6	203	1060x750x550
550x2100	22x84	2	1810	2050x1050x600	6
600x2100	24x84	2	2060	2050x1050x600	6
650x2100	26x84	2	2460	2050x1050x600	6

CURRENT CARRYING CAPACITY

Nomianl diameter		Current carrying capacity			Current density
in	mm	NP A	HP A	UHP A	NP A/cm 2	HP A/cm 2	UHP A/cm 2
3	75	1000－1400 1100－1500			22－31 24－33
4	100	1500－2400 1600－2500			19－30 20－31
5	130	2200－3400 2400－3600			17－26 18－27
6	150	3000－4500 3100－4700			16－25 17－26
7	175	＿＿＿＿＿ 4200－5900			＿＿＿ 17－24
8	200	5000－6900 5500－7400	＿＿＿＿＿ 7100－9700		15－21 17－23	＿＿＿ 22－30
9	225	＿＿＿＿＿ 6900－9000	＿＿＿＿＿ 10000－14000		＿＿＿ 17－22	＿＿＿ 21－29
10	250	7000－10000 8600－11000	＿＿＿＿＿ 10000－14000		14－20 17－22	＿＿＿ 21－29
12	300	10000－13000 12000－15000	＿＿＿＿＿ 14000－20000	＿＿＿＿＿ 17000－24000	14－18 17－21	＿＿＿ 20－28	＿＿＿ 23－33
14	350	13500－18000 16000－20000	17400－24000 20000－28000	＿＿＿＿＿ 23000－31000	14－18 17－21	17－24 20－28	＿＿＿ 23－32
16	400	18000－23500 22000－27000	21000－31000 25000－35000	25000－40000 28000－40000	14－18 17－21	16－24 19－27	19－30 22－31
18	450	22000－27000 26000－32000	25000－40000 30000－43000	32000－45000 34000－49000	13－17 16－20	15－24 18－26	19－27 21－30
20	500	25000－32000 32000－38000	30000－48000 34000－50000	38000－55000 40000－58000	13－16 16－19	15－24 17－25	18－27 20－29
22	550	＿＿＿＿＿ 36000－44000	＿＿＿＿＿ 39000－59000	＿＿＿＿＿ 46000－68000	＿＿＿ 15－18	＿＿＿ 16－24	＿＿＿ 19－28
24	600	＿＿＿＿＿ 40000－49000	＿＿＿＿＿ 44000－67000	＿＿＿＿＿ 52000－78000	＿＿＿ 14－17	＿＿＿ 15－23	＿＿＿ 18－27
26	650	＿＿＿＿＿ 44000－54000	＿＿＿＿＿ 48000－75000	＿＿＿＿＿ 58000－89000	＿＿＿ 13－16	＿＿＿ 14－22	＿＿＿ 17－26
28	700	＿＿＿＿＿ 48000－60000	＿＿＿＿＿ 51000－83000	＿＿＿＿＿ 63000－99000	＿＿＿ 12－15	＿＿＿ 13－21	＿＿＿ 16－25