| Application Area: | Smelt |
|---|---|
| Model Number: | UHP 400*1800/2100/2400mm |
| Application: | Eaf/Lf/Other for Smelting Steel |
|
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Graphite Electrode
Graphite electrodes are characterized by low resistance, good electrical conductivity, thermal conductivity, high resistance to oxidation and thermal shock, high mechanical strength, etc. According to its high quality and low quality, it can be divided into ordinary power graphite electrodes, high power graphite electrodes and ultra-high power graphite electrodes.
The Length & Diameter & Permissible Deviation of Graphite Electrode
|
Nominal Diameter
|
Actual Diameter
|
Length (mm)
|
Tolerance
|
||||
|
MM
|
Inch
|
Poppy
|
Mines
|
The Minimum Size Of The Black Part
|
Length
|
Short Length
|
|
|
75
|
3
|
78
|
73
|
72
|
1400/1600
|
± 100
|
-275
|
|
100
|
4
|
103
|
98
|
97
|
1400/1600
|
||
|
130
|
5
|
132
|
127
|
126
|
1400
|
||
|
150
|
6
|
154
|
149
|
146
|
1400/1600/1800
|
||
|
175
|
7
|
180
|
174
|
172
|
1400/1600
|
||
|
200
|
8
|
205
|
200
|
197
|
1600/1800
|
||
|
225
|
9
|
230
|
225
|
222
|
1600/1800
|
||
|
250
|
10
|
255
|
251
|
248
|
1600/1800
|
||
|
300
|
12
|
307
|
302
|
299
|
1600/1800/2000
|
||
|
350
|
14
|
357
|
352
|
349
|
1600/1800/2000
|
||
|
400
|
16
|
409
|
403
|
400
|
1600/1800/2000/22000
|
||
|
450
|
18
|
460
|
454
|
451
|
1600/1800/2000/22000
|
||
|
500
|
20
|
511
|
505
|
502
|
1600/1800/2000/22000
|
||
|
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
|
||
|
Name
|
Unit
|
Nominal Diameter
|
||||||
|
UHP Ultra-High-Power
|
HP Superstrong
|
RP Conventional Power
|
||||||
|
≤Φ400
|
≥Φ450
|
≤Φ400
|
≥Φ450
|
≤Φ300
|
≥Φ350
|
|||
|
Resistivity
|
Electrode
|
ΜΩ · m
|
≤5.5
|
≤6.5
|
≤8.5
|
|||
|
Nipple
|
≤4.5
|
≤5.5
|
≤6.5
|
|||||
|
Flexural Strength
|
Electrode
|
MPa
|
≥11.0
|
≥10.5
|
≥9.8
|
≥8.5
|
≥7.0
|
|
|
Nipple
|
≥20.0
|
≥16.0
|
≥15.0
|
|||||
|
Elastic Modulus
|
Electrode
|
GPa
|
≤14.0
|
≤12.0
|
≤9.3
|
|||
|
Nipple
|
≤18.0
|
≤16.0
|
≤14.0
|
|||||
|
Density
|
Electrode
|
g / cm3
|
≥1.66
|
≥1.67
|
≥1.62
|
1.6
|
≥1.53
|
≥1.52
|
|
Nipple
|
≥1.75
|
≥1.73
|
≥1.69
|
|||||
|
Coefficient Of Thermal Expansion
|
Electrode
|
10-6 / ºC
|
≤1.5
|
≤2.4
|
≤2.9
|
|||
|
Nipple
|
≤1.4
|
≤2.2
|
≤2.8
|
|||||
|
ASH
|
%
|
≤0.3
|
≤0.3
|
≤0.5
|
||||
|
Note: 1.Koeffitsient ash content and thermal expansion as the reference index, the coefficient of thermal expansion (100 ºC ~ 600
ºC), Custom manufacturing. |
||||||||
|
Name
|
Unit
|
Nominal Diameter
|
||||||
|
75-200 mm
|
250-300mm
|
400-500mm
|
||||||
|
top grade
|
first grade
|
top grade
|
first grade
|
top grade
|
first grade
|
|||
|
Resistivity (Not More Than)
|
Electrode
|
ΜΩ · m
|
8.0
|
9.0
|
8.0
|
9.0
|
8.0
|
9.0
|
|
Nipple
|
7.5
|
7.5
|
7.5
|
|||||
|
Flexural Strength(not less than)
|
Electrode
|
MPa
|
10
|
9
|
8
|
|||
|
Nipple
|
13
|
13
|
13
|
|||||
|
Elastic Modulus(no more)
|
Electrode
|
GPa
|
12
|
12
|
12
|
|||
|
Nipple
|
14
|
14
|
14
|
|||||
|
Density(not less than)
|
Electrode
|
g / cm3
|
1.58
|
1.58
|
1.58
|
|||
|
Nipple
|
1.68
|
1.68
|
1.68
|
|||||
|
Coefficient Of Thermal Expansion (No More)
|
Electrode
|
10-6 / ºC
|
2.7.
|
2.7.
|
2.7.
|
|||
|
Nipple
|
2.5
|
2.5
|
2.5
|
|||||
|
Ash Content (not more than)
|
%
|
0.3
|
0.3
|
0.5
|
||||
|
Note: 1. The coefficient of ash content and thermal expansion as a reference index.
|
||||||||
|
Name
|
Unit
|
Nominal Diameter (mm)
|
||
|
300, 350, 400
|
450, 500
|
|||
|
Resistivity (not more than)
|
Electrode
|
ΜΩ · m
|
6.2
|
6.5
|
|
Nipple
|
5.5
|
5.5
|
||
|
Flexural Strength(not less than)
|
Electrode
|
MPa
|
10.5
|
10
|
|
Nipple
|
16
|
16
|
||
|
Elastic Modulus(no more)
|
Electrode
|
GPa
|
14
|
14
|
|
Nipple
|
18
|
18
|
||
|
Density(not less than)
|
Electrode
|
g / cm3
|
1.65
|
1.64
|
|
Nipple
|
1.72
|
1.7
|
||
|
Coefficient Of Thermal Expansion (no more)
|
Electrode
|
10-6 / ºC
|
1.5
|
1.5
|
|
Nipple
|
1.4
|
1.4
|
||
|
Ash Content (not more than)
|
%
|
0.3
|
0.3
|
|
|
Note: 1. Zonality as a reference index.
|
||||
1. Q: Do you provide sample service?
A: Yes, we only provide samples and ask for one piece at a time. The freight should be borne by you.
2. Q: Do you support customized services?
A: Yes, we can customize the size and logo according to your needs. Please consult the customer service for the specific minimum order quantity.
3. Q: How is the Design & Engineering?
A: Experienced and skilled team of designers including CAD designers and 3D designers has the capacity to deliver outstanding designs for your project. If you require more complex engineering of structures such as overhead transmission and distribution lines design,we can also provide this service also designer fee .
4. Q: What's the payment term?
A: We accept T/T, L/C, West Union.
5. Q: What's the delivery time?
A: Usually within 7-15 days according to quantities
6. Q: What's the standard of package?
A: Export standard package or special package as the requirement of customers.
7. Q: What kind of product quality your factory offer?
A: Our products with both excellent quality and competitive price. And we offer free sample for your reference.
8. Q: What kind of certificate you have?
A: We have ISO9001:2008
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