Best Quality Fangda Leading Graphite Electrode
,RP Graphite Electrode
,Graphite Electrode
RP Size and Tolerance
|
Diameter (mm)
|
Length (mm)
|
Nominal diameter
|
Actual diameter
|
Nominal length
|
Tolerance
|
Short feet length
|
mm
|
inch
|
max
|
min
|
mm
|
mm
|
max
|
min
|
200
|
8
|
209
|
203
|
1800/1900/2100/24002700
|
±100
|
-100
|
-275
|
250
|
10
|
258
|
252
|
300
|
12
|
307
|
302
|
350
|
14
|
357
|
352
|
400
|
16
|
409
|
403
|
450
|
18
|
460
|
454
|
500
|
20
|
511
|
505
|
550
|
22
|
556
|
553
|
600
|
24
|
613
|
607
|
Physical and Chemical Index of RP
|
Items
|
unit
|
Diameter: 200-600mm
|
Standard
|
Test data
|
Electrode
|
Nipple
|
Electrode
|
Nipple
|
Electrical resistance
|
μΩm
|
8.0-10.5
|
8.5
|
7.0-9.0
|
6.5
|
Flexure strength
|
Mpa
|
6.4-7.8
|
13
|
9.0-10
|
15
|
Modulus of elasticity
|
GPa
|
9.3
|
14
|
9
|
13.7
|
Ash content
|
%
|
0.3
|
0.3
|
0.3
|
0.3
|
Apparent density
|
g/cm3
|
1.56
|
1.7
|
1.58
|
1.74
|
Factor of expansion(100-600℃)
|
x10-6/℃
|
2.9
|
2.8
|
2.4
|
2.2
|
HP Size and Tolerance
|
Diameter (mm)
|
Length (mm)
|
Nominal diameter
|
Actual diameter
|
Nominal length
|
Tolerance
|
Short feet length
|
mm
|
inch
|
max
|
min
|
mm
|
mm
|
max
|
min
|
200
|
8
|
209
|
203
|
1800/1900/2100/24002700
|
±100
|
-100
|
-275
|
250
|
10
|
258
|
252
|
300
|
12
|
307
|
302
|
350
|
14
|
357
|
352
|
400
|
16
|
409
|
403
|
450
|
18
|
460
|
454
|
500
|
20
|
511
|
505
|
550
|
22
|
556
|
553
|
600
|
24
|
613
|
607
|
Physical and Chemical Index of HP
|
Items
|
unit
|
Diameter: 200-600mm
|
Standard
|
Test data
|
Electrode
|
Nipple
|
Electrode
|
Nipple
|
Electrical resistance
|
μΩm
|
6.5-7.5
|
6.0
|
6.0-7.0
|
5.5
|
Flexure strength
|
Mpa
|
9.8-10.5
|
14
|
12-15
|
15-18
|
Modulus of elasticity
|
GPa
|
12
|
16
|
12
|
14
|
Ash content
|
%
|
0.2
|
0.2
|
0.2
|
0.2
|
Apparent density
|
g/cm3
|
1.6
|
1.7
|
1.68-1.73
|
1.75
|
Factor of expansion(100-600℃)
|
x10-6/℃
|
2.4
|
2.2
|
2.2
|
2.0
|
UHP Size and Tolerance
|
Diameter (mm)
|
Length (mm)
|
Nominal diameter
|
Actual diameter
|
Nominal length
|
Tolerance
|
Short feet length
|
mm
|
inch
|
max
|
min
|
mm
|
mm
|
max
|
min
|
200
|
8
|
209
|
203
|
1800/1900/2100/24002700
|
±100
|
-100
|
-275
|
250
|
10
|
258
|
252
|
300
|
12
|
307
|
302
|
350
|
14
|
357
|
352
|
400
|
16
|
409
|
403
|
450
|
18
|
460
|
454
|
500
|
20
|
511
|
505
|
550
|
22
|
556
|
553
|
600
|
24
|
613
|
607
|
700
|
28
|
714
|
708
|
Physical and Chemical Index of UHP
|
Items
|
unit
|
Diameter: 200-700mm
|
Standard
|
Test data
|
Electrode
|
Nipple
|
Electrode
|
Nipple
|
Electrical resistance
|
μΩm
|
5.5-6.0
|
5.0
|
5.0-5.8
|
4.5
|
Flexure strength
|
Mpa
|
10.5
|
16
|
14-16
|
18-20
|
Modulus of elasticity
|
GPa
|
14
|
18
|
12
|
14
|
Ash content
|
%
|
0.2
|
0.2
|
0.2
|
0.2
|
Apparent density
|
g/cm3
|
1.64-16.5
|
1.70-1.72
|
1.72-1.75
|
1.78
|
Factor of expansion(100-600℃)
|
x10-6/℃
|
1.5
|
1.4
|
1.3
|
1.2
|
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