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5372 Enterprise Blvd., Bethel Park, PA 15102
Ph: 412.831.9400 | Fx: 412.831.9401
contact@ameri-source.com
 

Graphite Division

    • Graphite Electrodes
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    • Molded Graphite Block
    • ISO Static Graphite
    • Machined Graphite

Specialty Metals Division

    • High Carbon Hardened
      & Tempered Steel Strips
    • High Carbon Annealed
      Steel Strips
    • Stainless Steel 301 Strips
    • Stainless Steel 304 Strips
    • Stainless Steel 410 Strips
    • Stainless Steel 430 Strips
    • Constant Force Springs
    • Bundy Tubes

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Ameri-Source
Specialty Products
5372 Enterprise Blvd.,
Bethel Park, PA 15102
Ph: 412.831.9400
Fx: 412.831.9401
contact@ameri-source.com

Graphite Electrode Dimensional Details

VARIOUS SIZES OF 3 TPI NIPPLE

SR.
NO.

ELECTRODE SIZE

NIPPLE SIZE

DESIGNATION

RELEVANT STANDARD

INCH

MM

(MM)

OF NIPPLE*

IEC

JIS

NEMA

1

9

225

139.7 x 203.2

139T3N

IEC

JIS

NEMA

2

10

250

139.7 x 203.2

139T3N

-

-

NEMA

"

"

155.58 x 220.10

155T3N

IEC

JIS

NEMA

3

12

300

155.58 x 220.13

155T3N

-

-

NEMA

"

"

177.17 x 270.90

177T3N

IEC

JIS

NEMA

4

14

350

177.17 x 270.90

177T3N

-

-

NEMA

"

"

215.90 x 304.8

215T3N

IEC

JIS

NEMA

5

16

400

215.9 x 304.8

215T3N

IEC

-

NEMA

"

"

241.3 x 338.7

241T3N

IEC

JIS

-

"

"

241.3 x 355.6

241T3N-L

-

-

NEMA

6

18

450

241.3 x 304.8

241T3N

-

-

NEMA

"

"

241.3 x 338.70

241T3N-L1

IEC

JIS

-

"

"

241.3 x 355.60

241T3N-L2

-

-

NEMA

"

"

273.05 x 355.6

273T3N

IEC

JIS

NEMA

7

20

500

273.05 x 355.6

273T3N

IEC

JIS

NEMA

"

"

273.05 x 457.2

273T3N-L

-

-

NEMA

"

"

298.45 x 372.5

298T3N

-

JIS

-

8

22

550

273.5 x 355.6

273T3N

-

JIS

-

"

"

298.45 x 372.5

298T3N

IEC

JIS

-

9

24

600

298.45 x 372.5

298T3N

-

JIS

-

*NIPPLES SHOULD BE SPECIFIED BY ITS DESIGNATION OR SIZE.

VARIOUS SIZES OF 4 TPI NIPPLES

SR.
NO.

ELECTRODE SIZE

NIPPLE SIZE

DESIGNATION

RELEVANT STANDARD

INCH

MM

(MM)

OF NIPPLE*

IEC

JIS

NEMA

1

3

75

46.04 x 76.2

46T4N

IEC

JIS

NEMA

2

4

100

69.85 x 101.6

69T4N

IEC

JIS

NEMA

3

5.1/8

130

79.38 x 127

79T4N

IEC

JIS

NEMA

4

6

150

92.08 x 139.7

92T4N

IEC

JIS

NEMA

5

7

175

107.95 x 165.10

107T4N

IEC

JIS

NEMA

6

8

200

122.24 x 177.8

122T4N

IEC

JIS

NEMA

7

9

225

139.70 x 177.8

139T4N

IEC

-

-

"

"

139.70 x 203.2

139T4N-L

-

JIS

-

8

10

250

152.4 x 190.5

152T4N

IEC

-

-

9

12

300

177.8 x 215.9

177T4N

IEC

-

-

10

14

350

203.2 x 254

203T4N

IEC

-

-

11

16

400

222.25 x 304.8

222T4N

IEC

-

-

12

18

450

241.3 x 304.8

241T4N

IEC

-

-

13

20

500

269.88 x 355.6

269T4N

IEC

-

NEMA

"

"

269.88 x 457.2

269T4N-L

-

-

NEMA

"

"

298.45 x 457.2

298T4N-L

-

-

NEMA

14

22

550

298.45 x 355.6

298T4N

IEC

-

-

"

"

298.45 x 457.2

298T4N-L

-

-

NEMA

15

24

600

317.5 x 355.6

317T4N

IEC

JIS

NEMA

"

"

317.5 x 457.2

317T4N-L

-

-

NEMA

* NIPPLES SHOULD BE SPECIFIED BY ITS DESIGNATION OR SIZE.

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Graphite Electrodes | Graphite Block | ISO Static Graphite | Machined Graphite
Carbon Steel Strips | Stainless Steel Strips | Constant Force Springs | Bundy Tubes
AMERI-SOURCE SPECIALTY PRODUCTS
5372 Enterprise Blvd., Bethel Park, PA 15102
Ph: 412.831.9400 | Fx: 412.831.9401
contact@ameri-source.com