SNF ELECTRODES
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PRODUCT
1. Detail Application Of Graphite Electrodes
Type of electrode Grade code Applicable type of furnace

Regular power
Graphite electrodes
RP
Electric arc furnace in regular power ; mine hot furnace at small and middle scale.
Impregnated Graphite electrodes
IP
 Electric arc furnace in regular power ; mine hot furnace at middle and large scale; partial electric arc furnace in high power.
High power
Graphite electrodes
HP
 Electric arc furnace in high power ; partial electric arc furnace in super-high power.

Super high power
Graphite electrodes

SHP
 Partial electric arc furnace in high power; partial electric arc furnace in super-high power.

Ultra high power
Graphite electrodes

UHP
 Electric arc furnace in super-high power.

2. Size Of Graphite Electrodes

    The Length, Diameter And Tolerance Of Graphite Electrodes

Nominal diameters Actual diameters Actual lengthes
mm in
Max
Min
Rough spot
Length
Tolerance
Short ruler sizes
200 8
204
201
198
1600
¡À100
¨C275
250 10
256
251
248

1600
1800

300 12
307
302
299
350 14
357
352
347
400 16
409
403
400
1600
1800
2000
450 18
460
454
451
500 20
511
505
502

    Sizes Of Conoid Whorl And Socket

Diam of electrode Sizes of nipple(mm) Sizes of socket(mm) Thread
mm
in
D
L
a2
1
a1
H
mm
100
150
200
250
300
350
400
450
500
4
6
8
10
12
14
16
18
20
69.95
92.08
122.24
152.40
177.80
203.20
222.25
241.30
269.88
 -0.5
101.6
139.7
177.8
190.5
215.9
254.0
355.6
355.6
457.20
0
-1
40.3
56.2
80.0
108.0
129.2
148.2
150
169.42
181.08
0
-5.0
<7
63.53
95.76
115.92
146.08
171.48
196.88
215.93
234.98
263.56
+0.5
0
53.80
72.95
94.90
101.30
114.00
133.00
183.8
183.8
234.60
+7
0
6.35
250
300
350
400
450
500
10
12
14
16
18
20
155.57
177.16
215.90
241.30
273.05
298.45
-0.5
220.00
270.09
204.8
338.7
355.6
372.6
0
-1
103.8
116.9
150.0
169.8
198.7
221.3
0
-5.0
<10
147.14
168.73
207.47
232.87
264.62
290.02
+0.5
0
116.00
141.50
158.40
175.30
183.80
192.20
+7
0