Subject
|
Nominal Diameter (mm)
|
||||
200~400
|
450~500
|
550~700
|
|||
Specific Resistance/µΩ·m
|
≦
|
Electrode
|
7.0
|
7.5
|
7.5
|
Nipple
|
6.3
|
6.3
|
6.3
|
||
Flexural Strength/MPa
|
≧
|
Electrode
|
10.5
|
10.0
|
8.5
|
Nipple
|
17.0
|
17.0
|
17.0
|
||
Elastic Modulus/GPa
|
≦
|
Electrode
|
14.0
|
14.0
|
14.0
|
Nipple
|
16.0
|
16.0
|
16.0
|
||
Ash content/%
|
≦
|
Electrode
|
0.5
|
0.5
|
0.5
|
Nipple
|
0.5
|
0.5
|
0.5
|
||
Bulk Density/(g/cm3)
|
≧
|
Electrode
|
1.6
|
1.6
|
1.6
|
Nipple
|
1.72
|
1.72
|
1.72
|
||
C.T.E. (10-6/℃) (room tempreture~600℃ )
|
≦
|
Electrode
|
2.4
|
2.4
|
2.4
|
Nipple
|
2.2
|
2.2
|
2.2
|
Nominal Diameter
|
HP Graphite Electrode
|
||
mm
|
inch
|
Current-Carrying Capacity(A)
|
Current Density(A/cm2)
|
300
|
12
|
13000-17400
|
17-24
|
350
|
14
|
17400-24000
|
17-24
|
400
|
16
|
21000-31000
|
16-24
|
450
|
18
|
25000-40000
|
15-24
|
500
|
20
|
30000-48000
|
15-24
|
550
|
22
|
37000-57000
|
15-23
|
600
|
24
|
44000-67000
|
15-23
|
650
|
26
|
50000-68000
|
15-23
|
700
|
28
|
54000-73000
|
15-23
|
Nominal Diameter(mm)
|
Actual Diameter(mm)
|
Length(mm)
|
Allowable Variation(mm)
|
||||
mm
|
inch
|
Max
|
Min
|
Low Spot
|
Length
|
Short Length
|
|
300
|
12
|
307
|
302
|
299
|
1600/1800/2000
|
±100
|
-275
|
350
|
14
|
357
|
352
|
349
|
1600/1800/2000
|
||
400
|
16
|
409
|
403
|
400
|
1600/1800/2000/2200
|
||
450
|
18
|
460
|
454
|
451
|
1600/1800/2000/2200
|
||
500
|
20
|
511
|
505
|
502
|
1600/1800/2000/2200
|
||
550
|
22
|
562
|
556
|
553
|
1800/2000/2200/2400
|
||
600
|
24
|
613
|
607
|
604
|
2000/2200/2400/2700
|
||
650
|
26
|
663
|
659
|
656
|
2000/2200/2400/2700
|
||
700
|
28
|
714
|
710
|
707
|
2000/2200/2400/2700
|
Nominal Diameter (mm)
|
Torque (N-m)
|
300
|
500-650
|
350
|
700-950
|
400
|
850-1150
|
450
|
1050-1400
|
500
|
1300-1700
|
550
|
1850-2400
|
600
|
2500-3800
|
650
|
3900-4300
|
700
|
4400-5200
|