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Uhp Hp Rp Graphite Electrode For Steel Industry

(1.3)
Supplier From China
Dec-24-19

China uhp hp rp graphite electrode for steel industry

The graphite electrode is mainly made of petroleum coke and needle coke, and the coal bitumen is used as a binder. It is made by calcination, compounding, kneading, forming, baking, graphitization and machining.

According to its quality indicators, graphite electrodes can be divided into RP graphite electrodes, HP graphite electrodes and UHP graphite electrodes.

Our factory produce:
1. RP graphite electrode
2. HP graphite electrode
3. UHP graphite electrode

Needle coke material , Low ash , low consumption!

Price and Minimum Quantity

Price: $1533
MOQ: Not Specified
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(1) Regular power graphite electrode( RP grade Graphite Electrode) . Graphite electrode with current density less than 17a / cm2 is allowed to be used in common power electric furnaces for steelmaking, silicon smelting and yellow phosphorus smelting.

(2) Oxidation resistant coating graphite electrode. A graphite electrode coated with an anti-oxidation protective layer (graphite electrode anti oxidant). The formation of both conductive and high temperature oxidation resistant protective layer can reduce the electrode consumption (19% ~ 50%), prolong the service life of the electrode (22% ~ 60%), and reduce the electric energy consumption of the electrode. The popularization and application of this technology can bring such economic and social effects as follows: 1. The unit consumption of graphite electrode is less, and the production cost is reduced to a certain extent. For example, according to the consumption of 35 graphite electrodes per week and 165 refining heats of LF refining furnace in a steel-making plant without shutdown in the whole year, 373 (153 tons) electrodes can be saved every year by using graphite electrode oxidation resistance technology, and RMB 2585700 can be saved by RMB 16900 per ton of ultra-high power electrode per year. 2 The graphite electrode consumes less electricity, saves the unit electricity consumption of steelmaking, saves the production cost, saves energy! 3. Because the graphite electrode is replaced less times, the labor amount and risk coefficient of operators are reduced, and the production efficiency is improved. 4 Graphite electrode is a high consumption and high pollution product, which has a very important social significance in the days of promoting energy conservation, emission reduction and environmental protection. This technology is still in the stage of research and development in China, and some domestic manufacturers have begun to produce it. It is widely used in Japan and other developed countries. At present, there are also companies that import the anti-oxidation protective coating in China.

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HP Size and Tolerance

Diameter (mm)

Length (mm)

Nominal diameter

Actual diameter

Nominal length

Tolerance

Short feet length

mm

inch

max

min

mm

mm

max

min

200

8

209

203





1600/1800/

2000/2200/

2400/2700







±100







-100











-275





250

10

258

252

300

12

307

302

350

14

357

352

400

16

409

403

450

18

460

454

500

20

511

505

550

22

556

553

600

24

613

607



Physical and Chemical Index of HP



Items



unit

Diameter: 250-600mm





Standard

Test data





Electrode

Nipple

Electrode

Nipple

Electrical resistance

μΩm

6.5-7.5

6.0

6.0-7.0

5.5

Flexure strength

Mpa

9.8-10.5

14

12-15

15-18

Modulus of elasticity

GPa

12

16

12

14

Ash content

%

0.2

0.2

0.2

0.2

Apparent density

g/cm3

1.6

1.7

1.68-1.73

1.75

Factor of expansion(100-600)

x10-6/

2.4

2.2

2.2

2.0


Operating instruction
1. Use special hoist tools to hoist graphite electrode. It is strictly forbad to prize electrode ends up with crowbar. It must be handled with great care during transport to avoid being struck.
2. Graphite electrode must be kept away from being moistened or wetted by rain, snow and water, and must be kept dry.
3. Carefully checking before making connection, make sure that socket and nipple thread is not damaged, nipple pitch plug is in.
4. Blow the nipple and socket threads with compressed air.
5. It must be dried in the furnace before use, the drying temperature in the furnace should be less than 150,the drying period should be more 30 hours
6. Graphite electrode must be connected and contacted closely and straightly.Use moment spanner for connecting electrode with suitable force. Mustnt decline.
7. The holding device must hold the electrode tightly, good contact and no arc.
8. To avoid the electrode breakage, put the large materials in lower part and small materials in the upper part. Insulating materials should not be put into the furnace. The working current of electrode must be conformity with the allowable current of electrode in the instructions.
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Supplier From Shenzhen, Guangdong, China

Supplier: Steel, steel pipe, steel tube, stainless steel, seamless pipe, erw pipe, lsaw pipe,ssaw pipe, square tube, rectangular tube , hollow section steel tube, pipe fitting , flange, fasteners, steel wire, steel accessories, plumbing, steel construction, chemical, paint, plastic, rubber, detergent
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