Graphite Electrodes

Graphite electrode is widely used in EAF, LRF, submerged arc furnace (producing ferroalloy, pure silicon, yellow phosphorus, calcium carbide,copper etc), resistance furnace (such as the graphitization furnace, glass melting furnace and silin carbide furnace etc). ANSSEN electrodeswith the features of homogeneity, good thermal shock resistance, low consumption, etc

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HOME ꄲ METALLURGY ꄲ Carbon and Graphite ꄲ Graphite Electrodes

Creation time:2019-05-29 14:39

Graphite electrode is made of petroleum coke,needle coke, and bonding coal pitch. Its production process is: calcining, dosing, mixing, forming, baking and impregnation, graphitization in a high temperature of over 3000°C, then precision machining.

Graphite electrode is acting as a conductive body which release heat in the form of arc for heating and melting steel in the furnace.According to the application, it can be divided into regular power(RP), high power(HP) and ultra high power(UHP).

Graphite electrode is an important conductive material in smelting industry with good electrical conductivity, thermal conductivity and high mechanical strength, good corrosion resistance under high temperature. Graphite electrode is widely used in EAF, LRF, submerged arc furnace(producing ferroalloy, pure silicon, yellow phosphorus, calcium carbide etc), resistance furnace (such as the graphitization furnace, glass melting furnace and silicon carbide furnace etc).

By close cooperation with world famous coke supplier Mithubishi,Phillips66, PMC, Anssen Metallurgy is top ranked in China carbon industry, annual exportation is over 15000mt which are widely selling to over 35 countries around the world, Anssen Metallurgy is acting as a solid bridge between world steel industry & China carbon industry, our advantages are:

Strictly control of raw material ensures it is from the best origin;

Advanced production technology & facilities &experienced workers;

Strict quality tracing system to ensure each GE excels buyer needs;

Technical assistance & after service are available whenever needed;

Sufficient stock in seaports to ensure competitive price&fast delivery;

Technical parameter

Parameter	Unit	REGULAR POWER				HIGH POWER				ULTRA HIGH POWER
		￠150-400MM		￠450-700MM		￠150-400MM		￠450-700MM		￠300-400MM		￠450-700 MM
		GE	GN	GE	GN	GE	GN	GE	GN	GE	GN	GE	GN
Bulk density	G/gm³ (min)	1,56	1,72	1,55	1,72	1,65	1,75	1,65	1,75	1,68	1,78	1,68	1,78
Electric resistivity	µΩm (max)	8,0	5,5	8,0	5,5	6,5	5,0	6,5	5,0	6,0	4,5	6,0	4,5
Bending strength	Mpa (min)	9,8	12,5	9,8	12,5	10,5	14,0	10,5	14,0	12,5	16,0	12,5	16,0
Elasticity modulus	Gpa (max)	8,0	10,0	8,0	10,0	10,5	12,0	10,5	12,0	12,0	16,0	12,0	16,0
C.T.E.	10^-6/℃ (max)	2,5	2,4	2,5	2,4	2,2	2,0	2,2	2,0	1,65	1,4	1,65	1,4
Ash	% (max)	0,30		0,30		0,25		0,25		0,20		0,20

ANSSEN graphite electrode datasheet – 1

Current carring capacity

TOLERANCE IN DIMENSIONS & WEIGHT											CURRENT CARRYING CAPACITY (A) CURRENT DENSITY(A/CM2)
Nominal diameter		Tolerance		Length		Tolerance		RP	HP	UHP	RP		HP		UHP
Inch	mm	max.	min.	in	mm	max.	min.	kg/pc	kg/pc	kg/pc	work current	density	work current	density	work current	density
3	75	78	73	40	1000	1050	900	6.94	7.29	n/a	1000～1400	22～31	1300～2000	24~44	n/a	n/a
				48	1200	1250	1100	8.35	8.77
				60	1500	1600	1400	10.5	11.0
4	100	103	98	40	1000	1050	900	12.1	12.6	n/a	1500～2400	19～30	2000～3000	25~38	n/a	n/a
				48	1200	1250	1100	14.6	15.2
				60	1500	1600	1400	18.3	19.2
5	130	132	127	40	1000	1050	900	20.1	21.0	n/a	2200～3400	17～26	3000～4000	23~30	n/a	n/a
				48	1200	1250	1100	24.2	25.3
				60	1500	1600	1400	30.5	31.8
6	150	154	149	48	1200	1250	1100	33.1	34.5	n/a	3000～4500	16～25	4000～5300	23~30	n/a	n/a
				60	1500	1600	1400	41.6	43.5
7	175	179	174	48	1200	1250	1100	44.6	46.7	n/a	4000～5500	16～22	4800～6700	20~28	n/a	n/a
				60	1500	1600	1400	56.1	58.8
8	200	205	200	60	1500	1600	1400	73.7	77.1	n/a	5000～6900	15～21	5500～9000	18～25	n/a	n/a
				72	1800	1900	1700	89.0	93.0
9	225	230	225	60	1500	1600	1400	92.7	96.9	n/a	6100～8600	15～21	6500～10000	18～25	n/a	n/a
				72	1800	1900	1700	112	117
10	250	256	251	60	1500	1600	1400	115	120	n/a	7000～1000	14～20	8000～13000	18～25	9000～15100	20～30
				72	1800	1900	1700	139	145
12	300	307	302	60	1500	1600	1400	166	173	178	10000～13000	14～18	13000～17400	17～24	15000～22000	20～30
				72	1800	1900	1700	200	209	216
14	350	357	352	60	1500	1600	1400	223	233	241	13500～18000	14～18	17400～24000	17～24	20000～30000	20～30
				72	1800	1900	1700	270	282	291
16	400	408	403	60	1500	1600	1400	291	304	313	18000～23500	14～18	21000～31000	16～24	25000～40000	19～30
				72	1800	1900	1700	352	368	379
18	450	460	454	60	1500	1600	1400	370	387	399	22000～27000	13～17	25000～40000	15～24	32000～45000	19～27
				72	1800	1900	1700	448	468	483
				82	2100	2200	2000	526	549	566
20	500	511	505	72	1800	1900	1700	550	575	593	25000～32000	13～16	30000～48000	15～24	38000～55000	18～27
				82	2100	2200	2000	646	675	696
22	550	562	556	72	1800	1800	1700	664	695	716	32000～40000	13～16	37000～57000	15～23	42000～66000	17～26
				82	2100	2200	2000	781	816	841
24	600	613	607	82	2100	2200	2000	931	973	1003	38000～47000	13～16	44000～67000	15～23	49000～76000	18～24
				94	2400	2500	2300	1070	1118	1152
26	650	663	657	94	2400	2575	2275	n/a	n/a		n/a	n/a	n/a	n/a	69000～89000	20～26
				106	2700	2850	2550	n/a	n/a	1658	n/a	n/a	n/a	n/a
28	700	714	708	94	2400	2575	2275	n/a	n/a		n/a	n/a	n/a	n/a	80000～100000	20～25
				106	2700	2850	2550	n/a	n/a	1751	n/a	n/a	n/a	n/a

Above current carring capacity is recommendation for A/C EAF;

D/C EAF & LRF can offer operate at comparative higher current level;

ANSSEN graphite electrode datasheet – 2 • 3TPI pitch = 8.47mm

Nipple datasheet • 4TPI pitch = 6.35mm

Nipple Type	Electrode Diameter		Nipple Dimension		Socket Dimension		Standard Nipple Weight (kg/pc)
	in	mm	D	L	D₁	H	RP	HP	UHP
	in	mm	mm	mm	mm	mm	RP	HP	UHP
4TPI	3	75	46.04	76.2	39.72	44.1	0.135	0.14	0.14
4TPI	4	100	69.85	101.6	63.53	56.8	0.45	0.47	0.48
4TPI	5	130	79.38	127	73.06	69.5	0.73	0.75	0.75
4TPI	6	150	92.08	139.7	85.76	75.9	1.11	1.14	1.15
4TPI	7	175	107.95	165.1	101.63	88.6	1.82	1.86	1.88
4TPI	8	200	122.24	177.8	115.92	94.9	2.57	2.63	2.66
4TPI	9	225	139.7	177.8	133.38	94.9	3.49	3.58	3.62
4TPI	10	250	152.4	190.5	146.08	101.3	4.49	4.6	4.65
4TPI	12	300	177.8	215.9	171.48	114	7.07	7.19	7.27
4TPIL	12	300	177.8	254	171.48	133	7.97	8.16	8.21
4TPI	14	350	203.2	254	196.88	133	10.77	11.03	11.16
4TPIL	14	350	203.2	304.8	196.88	158.4	12.4	12.6	12.8
4TPI	16	400	222.25	304.8	215.93	158.4	15.17	15.54	15.72
4TPIL	16	400	222.25	355.6	215.93	183.8	17.05	17.32	17.58
4TPI	18	450	241.3	304.8	234.98	158.4	18.29	18.72	18.94
4TPIL	18	450	241.3	355.6	234.98	183.8	20.62	20.96	21.32
4TPI	20	500	269.88	355.6	263.56	183.8	26.5	27.13	27.44
4TPIL	20	500	269.88	457.2	263.56	234.6	32	32.5	33.02
4TPI	22	550	298.45	355.6	292.13	183.8	33.25	34.04	34.44
4TPIL	22	550	298.45	457.2	292.13	234.6	40.42	41.12	41.78
4TPI	24	600	317.5	355.6	311.18	183.8	38.17	39.08	39.53
4TPIL	24	600	317.5	457.2	311.18	234.6	46.5	47.4	48.1
4TPI	26	650	355.6	457.2	349.28	234.6	59.9	61.33	62.04
4TPIL	26	650	355.64	558.8	349.28	285.4	n/a	n/a	n/a
4TPIL	28	700	374.65	558.8	368.33	285.4	79.1	80.2	81.56
3TPI	9	225	139.7	203.2	131.27	107.6	3.79	3.88	3.93
3TPI	10	250	155.57	220.0	147.14	116	5.17	5.29	5.35
3TPI	12	300	177.17	270.9	168.73	141.5	8.14	8.34	8.43
3TPI	14	350	215.9	304.8	207.47	158.4	14.04	14.37	14.54
3TPIL	14	350	215.9	338.7	271.42	175.3	n/a	n/a	n/a
3TPI	16	400	215.9	304.8	207.47	158.4	14.04	14.37	14.54
3TPI	16	400	241.3	338.70	232.87	175.3	19.89	20.36	20.6
3TPIL	16	400	241.3	355.6	242.82	183.8	n/a	n/a	n/a
3TPI	18	450	241.3	338.70	232.87	175.3	19.89	20.36	20.6
3TPI	18	450	273.05	355.6	264.62	183.8	26.97	27.62	27.94
3TPIL	18	450	273.05	457.3	274.57	234.6	n/a	n/a	n/a
3TPI	20	500	273.05	355.6	264.62	183.8	26.97	27.62	27.94
3TPI	20	500	298.45	372.6	290.02	192.2	34.18	35.2	35.41
3TPI	22	550	298.45	372.60	290.02	192.2	34.18	35.2	35.41

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Graphite Electrodes

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