OEM manufacturer Silicon Carbon Alloy - GRAPHITE ELECTRODE – COSAVE

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Graphite electrode, mainly made of petroleum coke and needle coke, coal tar pitch as binder, is prepared by calcination, compounding, kneading, pressing, roasting, graphitization and machining, and is released in the form of electric arc in electric arc furnace. The conductor that heats and melts the charge of the electric charge can be classified into ordinary power, high power and ultra high power according to its quality index. REGULAR POWER GRAPHITE ELECTRODES AND THE INDEX OF NIPPLES ...

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OEM manufacturer Silicon Carbon Alloy - GRAPHITE ELECTRODE – COSAVE Detail:

REGULAR POWER GRAPHITE ELECTRODES AND THE INDEX OF NIPPLES

Items		Unit	Nominal Diameter (mm)
Items		Unit	200-300		350-600	780-1400
Specific resistance	Electrode Nipple	μΩ‧m	7.5-8.5 6.5-7.0	7.5-8.5 6.5-7.0		8.5-10.5 6.5-7.0
Transverse Strength	Electrode Nipple	MPa	≥8.5 ≥13.0	≥7.8 ≥13.0		≥6.0 ≥13.0
Elastic Modulus	Electrode Nipple	GPa	≤9.3 ≤13.0	≤9.3 ≤13.0		≤12.0 ≤13.0
Ash content	Electrode Nipple	%	≤0.3	≤0.3		≤0.3
Bulk density	Electrode Nipple	G/cm³	1.55-1.60 1.63-1.68	1.55-1.60 1.63-1.68		1.59-1.62 1.65-1.70
(C.T.E）	Electrode Nipple	10^-6℃	≤2.9 ≤2.7	≤2.9 ≤2.8		≤2.9 ≤2.8

PERMISSIBLE CURRENT LOAD OF REGULAR POWER GRAPHITE ELECTRODES

Nominal diameter	Allowable current
mm	A	A/cm²
200-300	10000-13000	15-21
350-600	13500-32000	14-19
780-1400	57000-108000	12-8

HIGH POWER GRAPHITE ELECTRODES AND THE INDEX OF NIPPLES

Items		Unit	Nominal Diameter (mm)
Items		Unit	200-300	350-600
Specific resistance	Electrode Nipple	μΩ‧m	5.2-6.5 4.8-5.2	5.5-6.8 4.8-5.0
Transverse Strength	Electrode Nipple	MPa	≥11.0 ≥16.0	≥11.0 ≥16.0
Elastic Modulus	Electrode Nipple	GPa	≤11.0 ≤15.0	≤11.0 ≤15.0
Ash content	Electrode Nipple	%	≤0.3	≤0.3
Bulk density	Electrode Nipple	G/cm3	1.64-1.70 1.73-1.79	1.63-1.70 1.73-1.79
(C.T.E）	Electrode Nipple	10-6℃	≤2.4 ≤2.2	≤2.4 ≤2.2

PERMISSIBLE CURRENT LOAD OF HIGH POWER GRAPHITE ELECTRODES

Nominal diameter	Allowable current
mm	A	A/cm2
200-300	13000-17400	17-24
350-600	17400-58000	15-23

ULTRA HIGH POWER GRAPHITE ELECTRODES AND THE INDEX OF NIPPLES

Items		Unit	Nominal Diameter (mm)
Items		Unit	200-300	350-600
Specific resistance	Electrode Nipple	μΩ‧m	4.8-5.5 3.6-4.5	4.8-5.6 3.6-4.5
Transverse Strength	Electrode Nipple	MPa	≥11.0 ≥18.0	≥11.0 ≥18.0
Elastic Modulus	Electrode Nipple	GPa	≤13.0 ≤17.0	≤13.0 ≤17.0
Ash content	Electrode Nipple	%	≤0.3	≤0.3
Bulk density	Electrode Nipple	G/cm3	1.67-1.72 1.75-1.82	1.65-1.72 1.75-1.82
(C.T.E）	Electrode Nipple	10-6℃	≤1.5 ≤1.4	≤1.5 ≤1.4

PERMISSIBLE CURRENT LOAD OF ULTRA HIGH POWER GRAPHITE ELECTRODES

Nominal diameter	Allowable current
mm	A	A/cm2
200-300	13000-22000	20-30
350-600	20000-72000	19-24

SIZE OF CONIC SHAPE NIPPLE OF GRAPHITE ELECTRODES

Electrode Diameter (mm)			Nipple				Socket		Screw pitch
			D	D2	L	I	D1	H
			Deviation			≤	Deviation
Buckle type	Metric system	British system	（-0.30-0）	（-0.30-0）	（-1-0）	7	（-0.3-0）	（0-7）
3TPI	225	9”	139.7	91.22	203.2		141.22	107.6	8.47
	250	10“	155.57	104.2	220		159.09	116
	300	12“	177.16	117.39	270.9		148.68	141.5
	350	14“	215.9	150.48	304.8		217.42	158.4
	400	16“	215.9	150.18	304.8		217.42	158.4
	400	16“	241.3	170.23	338.7		242.82	175.3
	450	18“	241.3	170.23	338.7		242.82	175.3
	450	18“	273.05	199.17	355.6		274.57	183.8
	500	20“	273.05	199.17	355.6		274.57	183.8
	500	20“	298.45	221.73	372.6		299.97	192.2
	550	22“	298.45	221.73	372.6		299.97	192.2
	600	24“	336.55	245.73	457.3		338.07	234.6
3TPIL	350	14“	215.9	144.85	338.7		217.42	175.3
	400	16“	241.3	167.43	355.6		242.82	183.8
	450	18“	273.05	182.23	457.3		274.57	234.6
4TPI	200	8“	122.24	81.48	177.8	7	115.92	94.9	6.35
	225	9“	139.7	98.94	177.8		133.38	94.9
	250	10“	152.4	109.52	190.5		146.08	101.3
	300	12“	177.8	130.69	215.9		171.48	114
	350	14“	203.2	149.74	254		196.88	133
	400	16“	222.25	160.32	304.8		215.93	158.4
	450	18“	241.3	179.37	304.8		234.98	158.4
	500	20“	269.88	199.49	355.6		263.56	183.8
	550	22“	298.45	228.06	355.6		292.13	183.8
	600	24“	317.5	247.11	355.6		311.18	183.8
	650	26“	355.6	268.27	457.2		349.28	234.6
	700	28“	374.65	287.32	457.2		368.33	234.6
4TPIL	300	12“	177.8	124.34	254		171.48	133
	350	14“	203.2	141.27	304.8		196.88	158.4
	400	16“	222.25	151.86	355.6		215.93	183.8
	450	18“	241.3	170.91	355.6		234.98	183.8
	500	20“	269.88	182.55	457.2		263.56	234.6
	550	22“	298.45	211.12	457.2		292.13	234.6
	600	24“	317.5	230.17	457.2		311.18	234.6
	650	26“	355.64	251.38	558.8		349.28	285.4
	700	28“	374.65	270.39	558.8		368.33	285.4

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With our excellent administration, potent technical capability and strict top quality control technique, we go on to provide our consumers with trusted quality, reasonable price ranges and fantastic providers. We intention at becoming one among your most trusted partners and earning your fulfillment for OEM manufacturer Silicon Carbon Alloy - GRAPHITE ELECTRODE – COSAVE, The product will supply to all over the world, such as: Zambia , Birmingham , Romania , In order to meet more market demands and long-term development, a 150, 000-square-meter new factory is under construction, which will be put into use in 2014. Then, we shall own a large capacity of producing. Of course, we will continue improving the service system to meet the requirements of customers, bringing health, happiness and beauty to everyone.

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