18 Years Factory Graphite Electrode Nipple - UHP 700mm Graphite Electrode – Hexi
18 Years Factory Graphite Electrode Nipple - UHP 700mm Graphite Electrode – Hexi Detail:
700mm UHP graphite electrode is made of high quality needlelike coke, which is formed, roasted, impregnated, graphitized and machineprocessed as a high quality conductive material for electric arc furnace. UHP 700mm graphite electrode, The allowable current capacity is 73000 ~ 96000A, the allowable current density is 18-24A/㎡ . It is designed for superpower electric arc furnace steelmaking.
Note: It is recommended that the current capacity be -10% for electric furnace and +10% for ladle furnace.
| Comparison Technical Specification for UHP Graphite Electrode 28″ | ||
| Electrode | ||
| Item | Unit | Supplier Spec |
| Typical Characteristics of Pole | ||
| Nominal Diameter | mm | 700 |
| Max Diameter | mm | 714 |
| Min Diameter | mm | 710 |
| Nominal Length | mm | 2200-2700 |
| Max Length | mm | 2300-2800 |
| Min Length | mm | 2100-2600 |
| Bulk Density | g/cm3 | 1.68-1.72 |
| transverse strength | MPa | ≥10.0 |
| Young’ Modulus | GPa | ≤13.0 |
| Specific Resistance | µΩm | 4.5-5.4 |
| Maximum current density | KA/cm2 | 18-24 |
| Current Carrying Capacity | A | 73000-96000 |
| (C.T.E) | 10-6℃ | ≤1.2 |
| ash content | % | ≤0.2 |
| Typical Characteristics of Nipple (4TPI) | ||
| Bulk Density | g/cm3 | 1.80-1.86 |
| transverse strength | MPa | ≥24.0 |
| Young’ Modulus | GPa | ≤20.0 |
| Specific Resistance | µΩm | 3.0～3.6 |
| (C.T.E) | 10-6℃ | ≤1.0 |
| ash content | % | ≤0.2 |
|
Allowable current load for ultra-high power graphite electrodes |
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|
nominal diameter |
allowable current |
nominal diameter |
allowable current |
||
|
mm |
A |
A/㎡ |
mm |
A |
A/㎡ |
|
250 |
9000～14000 |
18～25 |
500 |
38000～55000 |
18～27 |
|
300 |
15000～22000 |
20～30 |
550 |
45000～65000 |
18～27 |
|
350 |
20000～30000 |
20～30 |
600 |
52000～78000 |
18～27 |
|
400 |
25000～40000 |
16～24 |
650 |
70000～86000 |
21～25 |
|
450 |
32000～45000 |
19～27 |
700 |
73000～96000 |
18～24 |
|
Ultra high power graphite electrode and joint standard |
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|
items |
unit |
nominal diameter（mm） |
|||
|
250～400 |
450～550 |
600～700 |
|||
|
specific resistance |
electrode nipple |
μ Ω•m |
4.8～5.8 3.4～4.0 |
4.5～5.6 3.4～3.8 |
4.5～5.4 3.0～3.6 |
|
transverse strength |
electrode nipple |
MPa |
≥12.0 ≥22.0 |
≥12.0 ≥22.0 |
≥10.0 ≥24.0 |
|
elastic modulus |
electrode nipple |
GPa |
≤13.0 ≤18.0 |
≤13.0 ≤18.0 |
≤13.0 ≤20.0 |
|
ash content |
electrode nipple |
% |
≤0.2 |
≤0.2 |
≤0.2 |
|
bulk density |
electrode nipple |
g/m³ |
1.68～1.73 1.78～1.84 |
1.68～1.72 1.78～1.84 |
1.68～1.72 1.80～1.86 |
|
（C.T.E) |
electrode nipple |
10℃ |
≤1.2 ≤1.0 |
≤1.2 ≤1.0 |
≤1.2 ≤1.0 |
Product detail pictures:
Related Product Guide:
Good quality comes to start with; service is foremost; organization is cooperation" is our enterprise philosophy which is regularly observed and pursued by our firm for 18 Years Factory Graphite Electrode Nipple - UHP 700mm Graphite Electrode – Hexi, The product will supply to all over the world, such as: Somalia, Bulgaria, Thailand, The development of our company not only needs the guarantee of quality, reasonable price and perfect service, but also relies on our customer's trust and support! In the future, we are going to continue with the most qualified and high quality service to offer the most competitive price, Together with our customers and achieve win-win! Welcome to inquiry and consult!
By Miriam from Sevilla - 2017.04.08 14:55
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.
By Marcia from Colombia - 2018.10.31 10:02
