Graphite electrode
|
|||||
Project
|
Nominal diameter /mm
|
||||
250-300
|
350-450
|
||||
Resistivity /
|
μΩ·m
|
≦
|
Electrode
|
9
|
9
|
Joint
|
8
|
8
|
|||
Flexural strength /
|
Mpa
|
≧
|
Electrode
|
8
|
7
|
Joint
|
15
|
15
|
|||
Elastic modulus /
|
Gpa
|
≦
|
Electrode
|
9.3
|
9.3
|
Joint
|
14
|
14
|
|||
Bulk density /
|
g/cm3
|
≧
|
Electrode
|
1.53
|
1.53
|
Joint
|
1.7
|
1.7
|
|||
Thermal expansion coeffi
|
10-6/℃
|
≦
|
Electrode
|
2.9
|
2.9
|
cient /
|
Joint
|
2.8
|
2.8
|
||
Ash / %
|
|
≦
|
|
0.5
|
0.5
|
Nominal
|
Actual diameter
|
Nominal length
|
Actual
|
|
|||
diameter
|
length
|
||||||
|
Maxmum
|
Minmal
|
Black part is the
|
Allow
|
Short feet
|
||
|
smallest
|
deviation
|
|||||
Inches
|
mm
|
||||||
10
|
250
|
256
|
251
|
248
|
1600/1800/2000
|
±100
|
-275
|
12
|
300
|
307
|
302
|
299
|
|||
14
|
350
|
357
|
352
|
349
|
|||
16
|
400
|
409
|
403
|
400
|
1600/1800/2000/2200
|
||
18
|
450
|
460
|
454
|
451
|
|||
20
|
500
|
511
|
505
|
502
|
1800/2000/2200/2400
|
||
22
|
550
|
562
|
556
|
553
|
|||
24
|
600
|
613
|
607
|
604
|
2000/2200/2400/2700
|