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[ Regular Power ] [ High Density ] [ High Power ] [Ultra high power]
 
Applications:
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.

Grades:
Regular power (RP)
Impregnated (High Density)
High power (HP)
Ultra high power (UHP)
 
Size of Graphite Electrode
Nominal diameter Actual diameter Diameter Tolerance Nominal length

mm

inch

mm

Min(mm)

Max(mm)

mm

inch

200

8

203

200

205

1500,

1800

60,72

250

10

254

251

256

300

12

305

302

307

350

14

356

352

357

400

16

406

403

409

1500,1800,2100

60,72,84

450

18

457

454

460

1500,1800,2100,2400

60,72,84,96

500

20

508

505

511

1800,2100,2400,2700

72,84,96,108


Tolerance of Length
Nominal Length Tolerance
Minimum Maximum

mm

inch

mm

mm

1000

40

-75

+50

1200

48

-100

+50

1500

60

-100

+100

1800

72

-100

+100

2100

84

-100

+100

2400

96

-100

+100

2700

100

-150

+150


Dimension of Truncated Cone Nipples (4TPI)
Standard Nipple T4(4 TPI)

Electrode Nominal Diameter

Nipple

Nipple socket

Mm

inch

A/mm

L/mm

B/mm

S/mm

200

8

122.24

177.80

115.92

91.90

250

10

152.40

199.50

146.08

101.30

300

12

177.80

215.90

171.48

114.00

350

14

203.20

254.00

196.88

133.00

400

16

222.25

304.80

215.93

158.40

450

18

241.30

304.80

234.98

158.40

500

20

269.88

355.60

263.56

183.80


Dimension of Truncated Cone Nipples (3TPI)
Standard Nipple T3(3 TPI)

Electrode Nominal Diameter

Nipple

Nipple socket

Mm

inch

A/mm

L/mm

B/mm

S/mm

250

10

155.88

220.10

147.14

113.05

300

12

177.17

270.90

168.73

138.45

350

14

215.90

304.80

207.47

155.40

400

16

241.30

338.60

232.87

172.30

450

18

273.05

355.60

264.62

180.80

500

20

298.45

372.50

290.02

189.25