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Best Price on Shp Graphite Electrode - UHP Graphite Electrode for EAF/LF – MORKIN

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  • Best Price on Shp Graphite Electrode - UHP Graphite Electrode for EAF/LF – MORKIN
  • Best Price on Shp Graphite Electrode - UHP Graphite Electrode for EAF/LF – MORKIN

Best Price on Shp Graphite Electrode - UHP Graphite Electrode for EAF/LF – MORKIN

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Best Price on Shp Graphite Electrode - UHP Graphite Electrode for EAF/LF – MORKIN Detail:

Feature

1.Resistivity is lower, allowing larger current density
2.Smaller linear expansion coefficient
3.Excellent thermal shock resistance.
4.Good electric conduction
5.High temperature resistance and good stability
6.Good chemical stability

application

(1) For steel making in EAF/LF
Graphite electrode is mainly used in Electric arc furnace for steel smelting. When graphite electrode is working in EAF, the current will be introduced by graphite electrode into the furnace, and there will be heat source which is generated by electric arc between electrode end and furnace charge for smelting.

(2) For producing metallic silicon and yellow phosphorus in submerged arc furnace
Some carbon electrode with large size (eg.700mm-1400mm) is used for producing metallic silicon and yellow phosphorus in submerged arc furnace. The lower part of the carbon electrode is buried in the charge, forms an arc in the charge layer, the material will be smelted by the heat energy generated by the resistance of the charge. For example, about 100kg of graphite electrode is consumed for 1 ton of metallic silicon.

(3)For producing corundum in electric furnace

(4)Used for processing special-shaped graphite products
The blank of graphite electrode is also used to process various special-shaped graphite prod

The Production Processes of Graphite Electrode

HP

The Chemical and Physical Indexes of UHP Graphite Electrode

Item Unit HP
φ200-φ700mm
Resistivity Electrode μΩm 5.8-6.6
Nipple 3.5-4.0
Modulus of Rupture Electrode Mpa 10.0-13.0
Nipple 20.0-23.0
Young’s Modulus Electrode GPa 8.0-12.0
Nipple 14.0-16.0
Bulk Density Electrode g/cm3 1.64-1.68
Nipple 1.75-1.80
CTE (100-600℃) Electrode 10-6/℃ 1.6-1.9
Nipple 1.1-1.4
Ash % 0.3

The Current Carrying Capacity of Graphite Electrode

Nominal Diameter

RP

HP

UHP

Millimeter

Inch

Current Carrying Capacity

Current Density

Current Carrying Capacity

Current Density

Current Carrying Capacity

Current Density

mm

inch

A

A/cm2

A

A/cm2

A

A/cm2

75

3’’

1000-1400

22-31

100

4’’

1500-2400

19-30

130

5’’

2200-3400

17-26

150

6’’

3000-4500

16-25

200

8’’

5000-6900

15-21

5500-6900

18-25

250

10’’

7000-10000

14-20

6500-10000

18-25

8100-12200

20-30

300

12’’

10000-13000

14-18

13000-17400

17-24

15000-22000

20-30

350

14’’

13500-18000

14-18

17400-24000

17-24

20000-30000

20-30

400

16’’

18000-23500

14-18

21000-31000

16-24

25000-40000

19-30

450

18’’

22000-27000

13-17

25000-40000

15-24

32000-45000

19-27

500

20’’

25000-32000

13-16

30000-48000

15-24

38000-55000

18-27

550

22’’

28000-34000

12-14

34000-53000

14-22

45000-65000

18-27

600

24’’

30000-36000

11-13

38000-58000

13-21

50000-75000

18-26

650

26’’

32000-39000

10-12

41000-65000

12-20

60000-85000

18-25

700

28’’

34000-42000

9.0-11

45000-72000

12-19

70000-120000

18-30

Dimension of 4TPI Nipples and Socket

Nominal Diameter

Nipple Type

Sizes of Nipple (mm)

Sizes of Socket

Thread

mm

inch

D

L

d2

l

d1

H

mm

Deviation

(-0.5-0)

Deviation

(-1-0)

Deviation

(-5-0)

Deviation

(0-0.5)

Deviation

(0-7)

200

8’’

122T4N

122.24

177.80

80

＜7

115.92

94.90

6.35

250

10’’

152T4N

152.40

190.50

108.00

146.08

101.30

300

12’’

177T4N

177.80

215.90

129.20

171.48

114.00

350

14’’

203T4N

203.20

254.00

148.20

196.88

133.00

400

16’’

222T4N

222.25

304.80

158.80

215.93

158.40

400

16’’

222T4L

222.25

355.60

150.00

215.93

183.80

450

18’’

241T4N

241.30

304.80

177.90

234.98

158.40

450

18’’

241T4L

241.30

355.60

169.42

234.98

183.80

500

20’’

269T4N

269.88

355.60

198.00

263.56

183.80

500

20’’

269T4L

269.88

457.20

181.08

263.56

234.60

550

22’’

298T4N

298.45

355.60

226.58

292.13

183.80

550

22’’

298T4L

298.45

457.20

209.65

292.13

234.60

600

24’’

317T4N

317.5

355.60

245.63

311.18

183.80

600

24’’

317T4L

317.5

457.20

228.70

311.18

234.60

650

26’’

355T4N

355.60

457.20

266.79

349.28

234.60

650

26’’

355T4L

355.60

558.80

249.86

349.28

285.40

700

28’’

374T4N

374.65

457.20

285.84

368.33

234.60

700

28’’

374T4L

374.65

558.80

268.91

368.33

285.40

750

30’’

406T4N

406.4

584.20

296.42

400.08

298.10

750

30’’

406T4L

406.4

609.60

292.19

400.08

310.80

800

32’’

431T4N

431.8

635.00

313.36

425.48

325.50

800

32’’

431T4L

431.8

685.80

304.89

425.48

348.90

Dimension of 3TPI Nipples and Socket

Nominal Diameter

Nipple Type

Sizes of Nipple (mm)

Sizes of Socket

Thread

mm

inch

D

L

d2

l

d1

H

mm

Deviation

(-0.5-0)

Deviation

(-1-0)

Deviation

(-5-0)

Deviation

(0-0.5)

Deviation

(0-7)

250

10’’

155T3N

155.57

220.00

103.80

＜7

147.14

116.00

6.35

300

12’’

177T3N

177.16

270.90

116.90

168.73

141.50

350

14’’

215T3N

215.90

304.80

150.00

207.47

158.40

400

16’’

215T3L

215.90

304.80

150.00

207.47

158.40

400

16’’

241T3N

241.30

338.70

169.80

232.87

175.30

450

18’’

241T3L

241.30

338.70

169.80

232.87

175.30

450

18’’

273T3N

273.05

355.60

198.70

264.62

183.80

500

20’’

273T3L

273.05

355.60

198.70

264.62

183.80

500

20’’

298T3N

298.45

372.60

221.30

290.02

192.20

550

22’’

298T3N

298.45

372.60

221.30

290.02

192.20

HP (2)

3TPI Thread Detail

HP (3)

4TPI Thread Detail

HP (4)

Reference of Torque

Diameter

mm

250

300

350

400

450

500

550

600

650

700

inch

10’’

12

14

16

18

20

22

24

26

28

Torque (N.m)

400-450

500-650

700-950

850-1150

1050-1400

1300-1700

1850-2400

2300-3000

3900-4300

4400-5200
Product detail pictures:

Best Price on Shp Graphite Electrode - UHP Graphite Electrode for EAF/LF – MORKIN detail pictures

Best Price on Shp Graphite Electrode - UHP Graphite Electrode for EAF/LF – MORKIN detail pictures

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