Technical Information

CURRENT CARRYING CAPACITY / CURRENTLOAD
NOMINAL DIAMETER UHP
MM CURRENT LOAD A
200 N/A
250 9000 - 15500
300 15000 - 22000
350 20000 - 32000
400 25000 - 42000
450 32000 - 48000
500 38000 - 58000
550 46000 - 65000
600 52000 - 70000
NOMINAL DIAMETER SHP
MM CURRENT LOAD A
200 5500 - 12500
250 8000 - 13500
300 14000 - 20000
350 18000 - 26000
400 23000 - 33000
450 27000 - 42000
500 32000 - 50000
550 35000 - 55000
600 37000 - 62000
NOMINAL DIAMETER HP
MM CURRENT LOAD A
75 1300 - 2000
100 1800 - 3000
130 2800 - 4200
150 4000 - 5000
200 4800 - 9000
250 8000 - 12000
300 11000 - 16000
350 15000 - 22000
400

20000 - 28000
450

24000 - 34000
500 28000 - 44000
550 34000 - 52000
600 36000 - 58000

Standard Diameters and Lengths
NOMINAL DIAMETER
(MM / INCH)		 DIAMETER RANGE
(MM)
75 (3") 73 - 75
100 (4") 98 - 103
130 (5") 127 - 132
150 (6") 149 - 154
175 (7") 174 - 179
200 (8") 200 - 205
225 (9") 225 - 230
250 (10" 251 - 256
300 (12") 302 - 307
350 (14") 352 - 358
400 (16") 403 - 409
450 (18") 454 - 460
500 (20") 505 - 511
550 (22") 556 - 562
600 (24") 607 - 613
NOMINAL LENGTH
(MM / INCH)		 LENGTH RANGE
(MM)
1000 (40") 925 - 1050
1200 (48") 1100 - 1250
1500 (60") 1400 - 1600
1800 (72") 1700 - 1900
2100 (84") 1875 - 2225
2400 (96") 2275 - 2525
2700 (110") 2550 - 2900

Standard Nipple Sizes
NOMINAL ELECTRODE
DIAMETER
(MM / INCH)
4TPI IEC DESIGNATION CODE MAJOR NIPPLE DIAMETER(MM / INCH)  
75 (3") 45T4N 46.04 (1.81") 76.20 (3")
100 (4") 69T4N 69.85 (2.75") 101.60 (4")
130 (5"0 79T4N 79.38 (3.12") 127.00 (5")
150 (6") 92T4N 92.08 (3.625") 139.70 (5.5")
175 (7") 107T4N 107.95 (4.25") 165.10 (6.5")
200 (8") 122T4N 122.24 (4.812") 177.80 (7")
225 (9") 139T3N 139.70 (5.5") 177.80 (7")
250 (10") 152T4N 152.40 (6") 190.50 (7.5")
300 (12") 177T4N 177.70 (7") 215.90 (8.5")
350 (14") 230T4N
203T4L		 203.20 (8")
203.20 (8")		 254.00 (10")
304.80 (12")
400 (16") 222T4N
222T4L		 222.25 (8.75")
222.25 (8.75")		 304.80 (12")
355.60 (14")
450 (18") 241T4N
241T4L		 241.30 (9.5")
241.30 (9.5")		 304.80 (12")
355.60 (14")
500 (20") 269T4N
269T4L		 269.88 (10.625")
269.88 (10.625")		 355.60 (14")
457.20 (18")
550 (22") 298T4N
298T4L		 298.45 (11.75")
298.45 (11.75")		 355.60 (14")
457.20 (18")
600 (24") 317T4N
317T4L		 317.50 (12.5")
317.50 (12.5")		 355.60 (14")
457.20 (18")
3TPI IEC DESIGHATION CODE MAJOR NIPPLE
DIAMETER
(MM / INCH)		 LENGTH OF NIPPLE
225 (9”) 139T3N 139.70 (5.5”) 203.20 (8”)
250 (10”) 155T3N 155.57 (6.124”) 220.00 (8.661”)
300 (12”) 177T3N 177.16 (6.97”) 270.90 (10.665”)
350/400 (14”/16 215T3N
215T3L		 215.90 (8.5”)
215.90 (8.5”)		 304.80 (12”)
355.60 (14”)
400/450 (16”/18”) 241T3N
241T3L		 241.30 (9.5”)
241.30 (9.5”)		 338.70 (13.334”)
355.60 (14”)
500 (20”) 273T3N
273T3L		 273.05 (10.75”)
273.05 (10.75”)		 355.60 (14”)
457.20 (18”)
550 (24”) 298T3L 298.45 (11.75”) 457.20 (18”)

Recommended torques
ELECTRODE DIAMETER
(MM /INCH)		 TORQUE
(KG / M)
200 (8") 35
225 (9”) 43
250 (10”) 50
300 (12”) 70
350 (14”) 90
400 (16”) 110
450 (18”) 160
500 (20”) 250
550 (22”) 350
600 (24”) 400

 
Telephone Orders: 01423 330492 | My Account |


Home About Us Contact Us Downloads Sitemap Heat Exchangers Wilk Graphite Titan Metal Fabricators Titan Pharmaceutical Titan Steel Pickling Titan Chemical Industry Graphite Machining Electrodes Arc Furnace Electrodes Gouging Rods EDM / Spark Erosion Graphite Speciality Electronic Applications Industrial Applications Mechanical Applications Carbon and Graphite Hot Zone Insulation Rigid Graphite Insulation Flexible Graphite Felts and Foils Hot Zone Accessories Vacuum Furnaces New Vacuum Furnaces Vacuum Furnace Hot Zone Spares Graphite Machined Parts Carbon and Graphite Hot Zone Insulation Hot Zone Accessories Repairs and Refurbishment Hot Zone ReBuilds Furnaces for Refurbishment Agents For:
Ibiden Europe BV Seco Warwick Titan Metal Fabricators Wilk Graphite

Coidan Graphite Products Ltd, Kirk Hammerton, York. YO26 8DQ | 01423 330492 | | www.coidan.com