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Graphite Electrodes & Scrap
Technical
Properties
|
|
|
|
|
|
|
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|
300-500 |
400-500 |
|
Electrode |
|
9.0 |
9.0 |
9.0 |
|
|
Nipple |
|
|
|
|
|
|
Electrode |
|
|
|
|
|
|
Nipple |
12.7 |
12.7 |
12.7 |
14.0 |
15.0 |
|
Electrode |
|
|
|
|
|
|
Nipple |
13.7 |
13.7 |
13.7 |
14.0 |
15.0 |
|
Electrode |
|
|
|
|
|
|
Nipple |
1.63 |
1.68 |
1.68 |
1.70 |
1.70 |
|
|
|
|
|
|
|
|
Electrode |
|
|
|
|
|
|
Nipple |
3.0 |
3.2 |
3.2 |
2.4 |
1.6 |
Current Carrying Capacity and Current Density
Nominal
Diameter
|
RP |
|
UHP
|
mm |
Current
load
A
|
Current
density
A/cm2
|
Current
load
A |
|
Current
load
A
|
|
200 |
5500-7500 |
16-22 |
5500-9000 |
18-25 |
¡¡
|
225 |
6000-8000 |
15-21 |
7000-10500 |
18-25 |
250 |
7500-10500 |
15-21 |
8500-13500 |
18-25 |
300 |
10500-14000 |
15-19 |
14000-18500 |
19-26 |
16000-24000 |
25-35 |
350 |
14000-19000 |
15-19 |
18000-24500 |
19-26 |
22000-33000 |
25-35 |
400 |
19000-24500 |
15-19 |
22500-33000 |
18-26 |
28000-43000 |
22-33 |
450 |
24000-29000 |
15-18 |
28000-43000 |
17-26 |
35000-848000 |
21-30 |
500 |
27000-34000 |
14-17 |
33000-51000 |
16-26 |
41000-58000 |
20-29 |
Dimension of
Electrodes
Diameter |
Length |
Diameter |
Tolerance |
Length mm |
Tolerance mm |
inch |
mm |
mm |
8 |
200 |
+205/-200 |
1600 |
¡À100 |
9 |
225 |
+230/-225 |
1600 |
10 |
250 |
+256/-251 |
1600/1800 |
12 |
300 |
+307/-302 |
1600/1800 |
14 |
350 |
+357/-352 |
1600/1800 |
16 |
400 |
+409/-403 |
1600/1800/2000/2200 |
18 |
450 |
+460/-454 |
1600/1800/2000/2200 |
20 |
500 |
+511/-505 |
1800/2000/2200/2400 |
Dimension of
Nipples
| |
Diameter |
Nipple mm |
Socket mm |
Pitch mm |
inch |
mm |
D |
L |
d2 |
l |
d1 |
H |
4TPI |
8 |
200 |
122.24 |
0
-0.50 |
177.80 |
0
-1 |
80.00 |
0
-5 |
£¼7 |
115.92 |
+0.50
0 |
94.90 |
+7
0 |
6.35 |
9 |
225 |
139.70 |
177.80 |
97.46 |
133.38 |
94.90 |
10 |
250 |
152.40 |
190.50 |
108.00 |
146.08 |
101.30 |
12 |
300 |
177.80 |
215.90 |
129.20 |
171.848 |
114.00 |
14 |
350 |
203.20 |
254.00 |
1848.20 |
196.88 |
133.00 |
16 |
400 |
222.25 |
304.80 |
158.80 |
215.93 |
158.40 |
16 |
400 |
222.25 |
355.60 |
150.00 |
215.93 |
183.80 |
18 |
450 |
241.30 |
304.80 |
177.90 |
234.98 |
158.40 |
18 |
450 |
241.30 |
355.60 |
169.42 |
234.98 |
183.80 |
20 |
500 |
269.88 |
355.60 |
198.00 |
263.56 |
183.80 |
20 |
500 |
269.88 |
475.20 |
181.08 |
263.56 |
234.60 |
3TPI |
9 |
225 |
139.70 |
0
-0.50 |
203.20 |
0
-1 |
90.73 |
0
-5 |
£¼10 |
131.27 |
+0.50
0 |
107.60 |
+7
0 |
8.47 |
10 |
250 |
155.57 |
220.00 |
103.80 |
147.14 |
116.00 |
12 |
300 |
177.16 |
270.90 |
116.90 |
168.73 |
141.50 |
14 |
350 |
215..90 |
304.80 |
150.00 |
207.47 |
158.40 |
16 |
400 |
215..90 |
304.80 |
150.00 |
207.47 |
158.40 |
16 |
400 |
241.30 |
338.70 |
169.80 |
232.87 |
175.30 |
18 |
450 |
241.30 |
338.70 |
169.80 |
232.87 |
175.30 |
18 |
450 |
273.05 |
355.60 |
198.70 |
264.62 |
183.80 |
20 |
500 |
273.05 |
355.60 |
198.70 |
264.62 |
183.80 |
20 |
500 |
298.45 |
372.60 |
221.30 |
290.02 |
192.20 |
Quality
Index of Graphite Scrap and Powder
Items
|
Special |
First |
Second |
Third |
Size |
Fixed Carbon |
99.5 |
99 |
98 |
90 |
200mesh 100mesh
80mesh 60mesh
0.2-4mm
0.3-10mm
0.5-6mm 5-15mm
100-1000mm |
Sulfur |
0.02 |
0.03 |
0.05 |
0.08 |
Volatile Matter |
0.2 |
0.5 |
1 |
1 |
Ash |
0.3 |
0.5 |
1 |
9 |
Moisture |
0.5 |
0.5 |
0.5 |
1 |
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