UHP 300 (12′)

Basic Info.

Model NO.	JLGE18111517
Transport Package	Wooden Case
Specification	300.350.400.450.500.550.600
Trademark	JL
Origin	China
HS Code	845411000
Production Capacity	50000ton/Yrar

Product Description

Our Company

• 32 years experience in graphite electrode field
• Superior quality with competitive price
• Capacity is 60000 Tons per year
• Short delivery time
• ISO 9001,ISO 4001 Certification
• Length upon customer's requirement
• Good after-sale service
• Near Gas resource for coking plant, near power resource for Graphitization, Save cost.

Our qualification
After years of continuous innovation and development, Jianglong has built the perfect carbon production processes including calcining, forming, baking, impregnation, graphitization and machining and also has advanced inspection and testing facilities and techniques. The company can make full use of the energy advantages around the plant such as unique coke oven gas and electric power to save cost. Jianglong has been awarded ISO 9001: 2015, ISO 14001: 2015, OHSAS18001: 2007 certifications. It has controllable production, stable product quality, advanced environmental protection equipment for each process.

Our Products
Jianglong Group has five subsidiaries, covering a total area of 400, 000 square meters, having 588 employees. The main products of Jianglong are Ø 50 mm to 700 mm Ø ultra high power (UHP), High power (HP) graphite electrodes with annual output of 60, 000 tons, as well as high quality carbon additive and other negative electrode new materials with annual output of 30, 000 tons.

Quality Control

UHP grade graphite electrode

Grade: RP, RPI, HP, SHP, UHP Diameter: 50~ 600 mm (2 ~ 24 inch)

Length: 1000-2700mm Nipple: 3TPI, 4TPI, 4TPIL

• Electrodes in electric arc furnace and ladle refining furnace for steel making;
• Electrodes in electric smelting furnace for producing industrial silicon, yellow phosphorus, corundum and so on.

The physical properties of electrodes and nipples conform to the following specifications:

Subject			Nominal Diameter (mm)
			300~400	450~550	600~700
Specific Resistance/µΩ·m	<=	Electrode	6.0	5.5	5.2
		Nipple	4.5	4.0	3.8
Flexural Strength/MPa	>=	Electrode	10.0-14.0	10.0-14.0	10.0-14.0
		Nipple	20.0-26.0	20.0-26.0	20.0-26.0
Elastic Modulus/GPa	<=	Electrode	9.0-13.0	10.0-14.0	10.0-14.0
		Nipple	15.0-18.0	15.0-18.0	15.0-18.0
Ash content/%	<=	Electrode	0.3	0.3	0.3
		Nipple	0.3	0.3	0.3
Bulk Density/(g/cm3)	>=	Electrode	1.68-1.74	1.70-1.74	1.70-1.74
		Nipple	1.77-1.82	1.78-1.84	1.78-1.84
C.T.E. (10-6/ºC) (room tempreture~600ºC )	<=	Electrode	1.1-1.4	1.1-1.4	1.1-1.4
		Nipple	0.9-1.2	0.9-1.2	0.9-1.2

Allowable Current-Carrying Capacities

Nominal Diameter		UHP Graphite Electrode
mm	inch	Current-Carrying Capacity(A)	Current Density(A/cm2)
350	14	20000-30000	20-30
400	16	25000-40000	20-30
450	18	32000-49000	20-30
500	20	40000-58000	20-30
550	22	48000-65000	18-28
600	24	52000-78000	18-28
650	26	60000-88000	18-28
700	28	62000-98000	18-28

Recommended Tightening Torque

Nominal Diameter (mm)	Torque (N-m)
300	500-650
350	700-950
400	850-1150
450	1050-1400
500	1300-1700
550	1850-2400
600	2500-3800
650	3900-4300
700	4400-5200

Programmable properties

• Good electrical conductivity.
• High resistance to thermal shock
• High mechanical strengthOur Advantage