Graphite Electrode With Specifications Details

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Shanghai
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TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
100000 m.t./month

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Product Description:

                        Graphite Electrode for steel making

 

 

Applications

 

Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.


Programmable properties


1.Good electrical conductivity
2.High resistance to thermal shock 
3.High mechanical strength

 

Grades:RP, RPI, HP, SHP, UHP

 

All graphite electrodes are offered with tapered nipples, i.e. 3 or 4 threads per inch, and meet the internationally accepted tolerances as per NEMA CG 1/ IEC 60239 / JIS R7201 standards.



TOLERANCCES OF ELECTRODE DIAMETERS AND LENG THES (MM)

Nominal Diameter

Actual Diameter

Length

in

mm

max

min

Black surface min

12

300

307

302

299

1800/2000

14

350

357

352

349

1800/2000/2200

16

400

409

403

400

1800/2000/2200

18

450

460

454

451

1800/2000/2200

20

500

511

505

502

2000/2200/2400

22

550

562

556

553

2000/2200/2400

24

600

613

607

604

2200/2400/2700

28

700

714

708

705

2400/2700

29

800

815

809

806

2700/3000

 

 

SIZE OF TAPER-THREAD NIPPLES AND SOCKETS(MM)

Nominal Length

Standard Deviation

Deviation of the short scale length

1800

+100

-100

-100

-275

2000

+100

-100

-100

-275

2200

+100

-100

-100

-275

2400

+100

-100

-100

-275

2700

+150

-150

-150

-300

3000

+150

-150

-150

-300

FAQ

①How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.


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Q:I used 12V direct current, graphite electrode electrolysis sodium sulfide solution, the anode produced a large number of black material, this is why ah?
The problem is this. I have done the test of electrolytic copper sulfate, and the anode produced the same phenomenon. Finally, the chemistry teacher told me that it was because the graphite was broken in the process of electrolysis
Q:How to improve the efficiency of graphite electrode milling, please tell me
There are many factors that determine the need to continue producing graphite electrodes, so high-speed machining has become a key manufacturing process in the die manufacturing industry. Compared with the time required for the milling of graphite electrodes, the processing of high rigidity hard steel still takes longer. When milling dies, cavities, and complex 3D surfaces on hard steel, radial runout errors and tool deviations often result in fracture of the tool. When the tool is broken, it will not only stop the continuous processing of the steel, but also affect the quality of the product, which will lead to the scrap of the parts and the waste of the material.
Q:Thermal expansion coefficient of graphite
Thermal expansion coefficient (100 degrees Celsius --600 degrees Celsius) diameter 200--500 graphite electrode body is not greater than 2.410 of the negative four times per degree Celsius
Q:Please senior doubts. The graphite electrode is used in the mold cavity In what case is graphite processing taken?
Instead of copper as discharge material.1. Electrode design1 can reduce the number of individual electrodes / can be made into a composite electrode2, it can save the electrode clamp system and save the cost2, the electrode processing1, high speed milling rough processing copper block 3 times2, high-speed milling finishing faster than copper 5 times3. Good machinability4, complex geometric modeling can be realized3, light weight, its density is less than 1/4 of copper1, good thermal stability (without deformation)2 can reduce the number of individual electrodes / can be made into a composite electrode3, without deburring4. The electrode is easy to clamp4 、 electric discharge machining EDM1, roughing, the electrode loss is small2, high work removal rate3 can reduce the number of individual electrodes / can be made into a composite electrode4. No pollution to the environment in the electrolyte5, light weight, its density is less than 1/4 of copper6, excellent thermal stability, the electrode does not change7, the fine graphite electrode can be used to produce high quality workpiece surfaceDifferent grades of graphite materials can be used for processing different workpieces
Q:Classification, uses and manufacturers of graphite electrodes
Classification of graphite electrodes:(1) common power graphite electrode (RP), (2) high power graphite electrode (HP), (3) quasi ultra high power graphite electrode (SHP), (4) ultra high power graphite electrode (UHP) Note: poly carbon classification method
Q:Graphite graphite graphite graphite electrode what is the use?
Electrode graphite powder that can be used for the production of electrodes, because the conductive properties of graphite electrode, so that the electrode graphite powder can become conductive graphite powder, graphite powder can also be applied to the field of conductive or conductive composite materials production.
Q:The graphite electrode made by the machining center adopts cooling method, which is water cooled, oil cooled and blow cold. Which is good?
Use oil cold. Air cooling will cause graphite dust flying, on the one hand, toxic, on the one hand there are security risks (caused by circuit short circuit). Water cooling is virtually out of use, taking into account the maintenance and maintenance of the CNC.
Q:What is the application of wire cutting with graphite electrode?
Greatly shorten the preparatory time of mechanical processing, and improve the level of automation of the whole process of machining, and also enhance the ability of the manufacturing system to adapt to changes in production conditions.
Q:What are the factors affecting the service life of graphite electrode in ultra high power arc furnace?
The ultra high power graphite electrodes produced in China are 300mm, 350mm, 400mm, 450mm, 550mm, 600mm, 650mm, 500mm and 700mm, with lengths of 1600mm, 1800mm, 2000mm, 2200mm, 2400mm and 2700mm.
Q:What is the difference between pyridine type nitrogen and graphite type nitrogen?
High purity graphite is said to produce graphite electrode, ash is very low, generally below 10 million.

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