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Graphite Electrode

With petroleum coke, pitch coke and needle coke as granular materials and coal tar pitch as binder, it is a high temperature resistant graphite conductive material made by kneading, forming, baking, impregnating, graphitization and machining. Graphite electrodes are important high-temperature conductive materials for electric furnace steelmaking. Electric energy is input into the furnace through graphite electrodes, and the high temperature generated by the arc between the electrode end and the furnace material is used as a heat source to melt the furnace material for steelmaking. Other electric smelting or electrolysis equipment also often uses graphite electrodes as conductive materials.


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Product Grade	Depending on the raw material used, the process and the physicochemical index of the finished product, grades are divided into RP, HP,SHP,UHP.	Application	JLSJC high quality graphite electrodes are used in worldwide steel plants, non-ferrous, silicon and phosphorus smelting plants, with customers’ good feedback of quality and service.
Diameter	Dia.150~700mm(6~28inch)	Length	L.1500~2700mm(60~108inch)

Quality Standard

质量标准

吉林市松江炭素进出口有限公司将产品质量视为企业的生命，公司每年都进行技术改造与升级，并严格按ISO9001:2015的要求实施全过程的质量监控管理，使质量指标考核和过程控制得到了有效的结合。

JLSJC regards product quality as enterprise's life. JLSJC not only implements technical renovation and upgrading every year but also controls the whole process of

quality strictly in accordance with ISO9001:2015 requirements, which make quality index evaluation and process control has been effectively combined.

Physico-Chemical Specifications of RP Graphite Electrode/普通功率石墨电极理化指标
ITEM 项目		Unit 单位	Diameter（mm）公称直径（mm）
ITEM 项目		Unit 单位	Φ200	Typical Value 典型值	Φ250~Φ300	Typical Value 典型值	Φ350-Φ400	Typical Value 典型值	Φ450-Φ600	Typical Value 典型值
SPECIFIC RESISTANCE 电阻率 ≯	ELECTRODE 电极	μΩ·m	8.5	8.0	8.5	8.0	8.5	8.0	8.5	8.2
SPECIFIC RESISTANCE 电阻率 ≯	NIPPLE 接头	μΩ·m	6.0	5.5	6.0	5.5	6.0	5.5	6.0	5.5
BENDING STRENGTH 抗折强度 ≮	ELECTRODE 电极	Mpa	10.0		7.8		7.8		7.0
BENDING STRENGTH 抗折强度 ≮	NIPPLE 接头	Mpa	14.0		15.0		15.0		15.0
YOUNG's MODULUS 弹性模量 ≯	ELECTRODE 电极	Gpa	9.3		9.3		9.3		9.3
YOUNG's MODULUS 弹性模量 ≯	NIPPLE 接头	Gpa	14.0		14.0		14.0		14.0
BULK DENSITY 体积密度 ≮	ELECTRODE 电极	g/cm³	1.54	1.58	1.54	1.56	1.54	1.56	1.54	1.56
BULK DENSITY 体积密度 ≮	NIPPLE 接头	g/cm³	1.68	1.70	1.70	1.72	1.70	1.72	1.70	1.72
CTE 热膨胀系数 ≯ (100-600℃)	ELECTRODE 电极	×10^-6/℃	2.90		2.90		2.90		2.90
CTE 热膨胀系数 ≯ (100-600℃)	NIPPLE 接头	×10^-6/℃	2.70		2.70		2.70		2.70
Ash Content 灰分 ≯		%	0.50		0.50		0.50		0.50

Note: Ash content only for reference.

注：灰分为参考指标。

Physico-Chemical Specifications of HP Graphite Electrode/高功率石墨电极理化指标
ITEM 项目		Unit 单位	Diameter（mm）公称直径（mm）
ITEM 项目		Unit 单位	Φ200~Φ400	Typical Value 典型值	Φ450~Φ500	Typical Value 典型值	Φ550~Φ600	Typical Value 典型值
SPECIFIC RESISTANCE 电阻率 ≯	ELECTRODE 电极	μΩ·m	6.5	6.0	6.5	6.0	6.5	6.0
SPECIFIC RESISTANCE 电阻率 ≯	NIPPLE 接头	μΩ·m	5.0	4.5	5.0	4.5	5.0	4.5
BENDING STRENGTH 抗折强度 ≮	ELECTRODE 电极	Mpa	10.5		10.0		10.0
BENDING STRENGTH 抗折强度 ≮	NIPPLE 接头	Mpa	19.0		19.0		19.0
YOUNG's MODULUS 弹性模量 ≯	ELECTRODE 电极	Gpa	12.0		12.0		12.0
YOUNG's MODULUS 弹性模量 ≯	NIPPLE 接头	Gpa	16.0		16.0		16.0
BULK DENSITY 体积密度 ≮	ELECTRODE 电极	g/cm³	1.65	1.68	1.65	1.68	1.65	1.68
BULK DENSITY 体积密度 ≮	NIPPLE 接头	g/cm³	1.76	1.78	1.75	1.78	1.76	1.78
CTE 热膨胀系数 ≯ (100-600℃)	ELECTRODE 电极	×10^-6/℃	2.40		2.40		2.40
CTE 热膨胀系数 ≯ (100-600℃)	NIPPLE 接头	×10^-6/℃	2.20		2.20		2.20
Ash Content 灰分 ≯		%	0.30		0.30		0.30

Note: Ash content only for reference.

注：灰分为参考指标。

Physico-Chemical Specifications of SHP Graphite Electrode/准超高功率石墨电极理化指标
ITEM 项目		Unit 单位	Diameter（mm）公称直径（mm）
ITEM 项目		Unit 单位	Φ250-Φ300	Typical Value 典型值	Φ350-Φ400	Typical Value 典型值	Φ450-Φ600	Typical Value 典型值
SPECIFIC RESISTANCE 电阻率 ≯	ELECTRODE 电极	μΩ·m	6.0	5.5	6.0	5.5	6.0	5.5
SPECIFIC RESISTANCE 电阻率 ≯	NIPPLE 接头	μΩ·m	4.5	4.0	4.5	4.0	4.5	4.0
BENDING STRENGTH 抗折强度 ≮	ELECTRODE 电极	Mpa	11.0		10.5		10.5
BENDING STRENGTH 抗折强度 ≮	NIPPLE 接头	Mpa	20.0		20.0		20.0
YOUNG's MODULUS 弹性模量 ≯	ELECTRODE 电极	Gpa	14.0		14.0		14.0
YOUNG's MODULUS 弹性模量 ≯	NIPPLE 接头	Gpa	18.0		18.0		18.0
BULK DENSITY 体积密度 ≮	ELECTRODE 电极	g/cm³	1.67	1.70	1.67	1.70	1.67	1.70
BULK DENSITY 体积密度 ≮	NIPPLE 接头	g/cm³	1.78	1.80	1.78	1.80	1.78	1.80
CTE 热膨胀系数 ≯ (100-600℃)	ELECTRODE 电极	×10^-6/℃	2.20		2.20		2.20
CTE 热膨胀系数 ≯ (100-600℃)	NIPPLE 接头	×10^-6/℃	1.60		1.60		1.60
Ash Content 灰分 ≯		%	0.30		0.30		0.30

Note: Ash content only for reference.

注：灰分为参考指标。

Physico-Chemical Specifications of UHP Graphite Electrode/超高功率石墨电极理化指标
ITEM项目		Unit单位	Diameter（mm）公称直径（mm）
ITEM项目		Unit单位	Φ300~Φ400	Typical Value典型值	Φ450~Φ500	Typical Value 典型值	Φ550~Φ700	Typical Value典型值
SPECIFIC RESISTANCE 电阻率 ≯	ELECTRODE 电极	μΩ·m	5.5	5.0	5.5	5.0	5.5	4.8
SPECIFIC RESISTANCE 电阻率 ≯	NIPPLE 接头	μΩ·m	4.0	3.5	4.0	3.5	4.0	3.5
BENDING STRENGTH 抗折强度 ≮	ELECTRODE 电极	Mpa	11.0		11.0		12.0
BENDING STRENGTH 抗折强度 ≮	NIPPLE 接头	Mpa	20.0		20.0		22.0
YOUNG's MODULUS 弹性模量 ≯	ELECTRODE 电极	Gpa	14.0		14.0		14.0
YOUNG's MODULUS 弹性模量 ≯	NIPPLE 接头	Gpa	18.0		18.0		22.0
BULK DENSITY 体积密度 ≮	ELECTRODE 电极	g/cm³	1.68	1.72	1.68	1.72	1.68	1.72
BULK DENSITY 体积密度 ≮	NIPPLE 接头	g/cm³	1.78	1.80	1.78	1.80	1.80	1.82
CTE热膨胀系数 ≯ (100-600℃)	ELECTRODE 电极	×10^-6/℃	1.50		1.50		1.40
CTE热膨胀系数 ≯ (100-600℃)	NIPPLE 接头	×10^-6/℃	1.40		1.40		1.20
Ash Content 灰分≯		%	0.30		0.30		0.30

Note: Ash content only for reference.

注：灰分为参考指标。

Suggested Graphite Electrode Operation Current Capacity 石墨电极参考工作电流
Nominal Diameter 公称直径（mm）	允许电流负荷（A）Operation Current（Ampere）
Nominal Diameter 公称直径（mm）	RP Electrode 普通功率	HP Electrode 高功率	SHP Electrode 准超高功率	UHP Electrode 超高功率
Φ200	5000-6900	5500-9000	-	-
Φ250	7000-10000	8000-13000	-	-
Φ300	10000-13000	13000-17400	14000-20000	15000-22000
Φ350	13500-18000	17400-24000	19000-28000	20000-30000
Φ400	18000-23500	21000-31000	23000-35000	25000-40000
Φ450	22000-27000	25000-40000	30000-42000	32000-45000
Φ500	25000-32000	30000-48000	35000-50000	38000-55000
Φ550	28000-36000	34000-55000	39000-60000	45000-65000
Φ600	35000-41000	38000-61000	43000-63000	50000-75000
Φ650				55000-110000
Φ700				80000-120000

Note:On EAF,the current is suggested to be reduced by 10%;On LF,it might be increased by 10%.

注:在电弧炉上使用,电流负荷建议减少10%;在精炼炉上使用,电流负荷建议增加10%.

Specification and Allowance of Graphite Electrode 石墨电极规格和允许偏差
Nominal Dia 公称直径		Actual Dia 实际直径		Nominal Length 公称长度		Allowance 允许偏差
mm	inch	最大 Max	最小 Min	mm	inch	mm
200	8	205	201	1600/1800	60	±100
250	10	256	252	1600/1800	60/72	±100
300	12	307	303	1800	72	±100
350	14	357	353	1800	72	±100
400	16	409	404	1800/2100	72/83	±100
450	18	460	455	1800/2100	72/83	±100
500	20	511	506	1800/2100	72/83	±100
550	22	562	556	2100/2400	83/95	±100
600	24	613	607	2100/2400/2700	83/95/105	±100
650	26	663	657	2400/2700	95/105	±100
700	28	714	708	2400/2700	95/105	±100

Dimension Drawing of Conical Nipples

圆锥形接头尺寸图

根据需方要求，经供需双方协商，允许采用圆柱形及其他形状接头，圆柱形接头形状及尺寸按国际标准执行。

According to customers' requirement, the joint of electrode may be either conical shape or other shape. If the joint is conical one, the shape and size of conical joint can be machined according to international standard.

Dimensions of 3TPI Conical Graphite Nipple/圆锥形接头尺寸表 3TPI
Diameter 电极直径			Nipple (mm) 接头(mm)							Socket(mm) 接头孔（mm）
mm	inch	Pitch 螺距（mm）	D		L		d2		l	d1		H
225	9	8.47	139.70	0 — -0.50	203.20	0 — -1	90.73	0 — -0.5	<10	131.27	0 —+0.5	107.60	0 —+7
250	10		155.57		220.00		103.80			147.14		116.00
300	12		177.16		270.90		116.90			168.73		141.50
350	14		215.90		304.80		150.00			207.47		158.40
400	16		215.90		304.80		150.00			207.47		158.40
400	16		241.30		338.70		169.80			232.87		175.30
450	18		241.30		338.70		169.80			232.87		175.30
450	18		273.05		355.60		198.70			264.62		183.80
500	20		273.05		355.60		198.70			264.62		183.80
500	20		298.45		372.60		221.30			290.02		192.20
550	22		298.45		372.60		221.30			290.02		192.20

Dimensions of 4TPI Conical Graphite Nipple/圆锥形接头尺寸表 4TPI
Diameter 电极直径			Nipple (mm) 接头(mm)							Socket(mm) 接头孔（mm）
mm	inch	Pitch 螺距（mm）	D		L		d2		l	d1		H
200	8	6.35	122.24	0 — -0.5	177.80	0 — -1	80.00	0 — -5	<7	115.92	0 — +5	94.90	0 — +7
250	10		152.40		190.50		108.00			146.08		101.30
300	12		177.80		215.90		129.20			171.48		114.00
350	14		203.20		254.00		148.20			196.88		133.00
400	16		222.25		304.80		158.80			215.93		158.40
400	16		222.25		355.60		150.00			215.93		183.80
450	18		241.30		304.80		177.90			234.98		158.40
450	18		241.30		355.60		169.42			234.98		183.80
500	20		269.88		355.60		198.00			263.56		183.80
500	20		269.88		457.20		181.08			263.56		234.60
550	22		298.45		355.60		226.58			292.13		183.80
550	22		298.45		457.20		209.65			292.13		234.60
600	24		317.50		355.60		245.63			311.18		183.80
600	24		317.50		457.20		228.70			311.18		234.60
650	26		355.60		457.20		266.79			349.28		234.60
650	26		355.60		558.80		249.86			349.28		285.40
700	28		374.65		457.20		285.84			368.33		234.60
700	28		374.65		558.80		268.91			368.33		285.40

Packaging Details

包装明细/Packing Details：

Size of Graphite Electrode Packaging/石墨电极包装尺寸
Nominal Diameter 公称直径		Quantity per pack 支/每件	Electrode packing 电极包装		Electrode and nipple packaged together 电极和接头连体包装
Nominal Diameter 公称直径			Approximate weight 近似净重	Overall dimension 轮廓尺寸	Approximate weight 近似净重	Overall dimension 轮廓尺寸
mm	inch		kg	mm	kg	mm
200×1600	8×63	9	750	1700×1070×480	770	1800×1070×480
200×1800	8×72	8	720	1800×1050×480	738	1900×1050×480
250×1600	10×63	7	945	1600×1070×580	978	1800×1070×580
250×1800	10×72	7	1050	1900×1070×580	1155	2010×1070×580
300×1800	12×72	3	630	1900×970×400	650	2100×970×400
350×1800	14×72	3	860	1900×1120×450	885	2100×1120×450
400×1800	16×72	3	1120	1900×1270×500	1165	2100×1280×500
400×2100	16×83	3	1300	2200×1270×500	1345	2400×1280×500
450×1800	18×72	2	950	1900×970×550	990	2100×970×550
450×2100	18×83	2	1100	2200×970×550	1140	2400×970×550
500×1800	20×72	2	1200	1900×1070×600	1255	2150×1070×600
500×2100	20×83	2	1400	2200×1070×600	1455	2450×1070×600
550×2100	22×83	2	1690	2200×1170×650	1760	2450×1170×650
550×2400	22×95	2	1940	2500×1170×650	2010	2750×1170×650
600×2100	24×83	2	2000	2200×1270×700	2080	2450×1270×700
600×2400	24×95	2	2300	2500×1270×700	2380	2750×1270×700
600×2700	24×106	2	2700	2920×1270×700	2798	2750×1270×701
650×2400	26×95	2	2800	2620×1365×800	3000	2900×1365×800
650×2700	26×106	2	3100	2920×1365×800	3280	3200×1365×800
700×2400	28×95	2	3200	2620×1470×855	3290	2900×1470×855
700×2700	28×106	2	3600	2920×1470×855	3690	3200×1470×855

装箱明细/Loading Details：

Container Transporting/集装箱运输
*When shiped by containers, the size and quantity of electrodes per 8820 feet container are as below. Pieces of electrodes with presetted nipples can be loaded into each container.* 当采用集装箱运输时，每20英尺集装箱可以装运各种规格的电极及相应的接头数量如下表所示：
Diameter 直径		Length 长度		*Quantity of electrodes per 8820 feet container with corresponding nipples (preseted)* 每集装箱可装预连接电极支数
mm	inch	mm	inch
200	8	1600	63	192
200	8	1800	72	168
250	10	1600	63	126
250	10	1800	72	119
300	12	1800	72	84
350	14	1800	72	69
400	16	1800	72	45
400	16	2100	83	39
450	18	1800	72	40
450	18	2100	83	28
500	20	1800	72	30
500	20	2100	83	28
550	22	2100	83	20
550	22	2400	95	20
600	24	2100	83	16
600	24	2400	95	16

包装图片/Packing Pics：

Product details

Jilin Songjiang Carbon Co., Ltd.

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