RP Regular power Graphite Electrode For Steel Smelting (1600579426890)

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Product Overview

Description



 


RP Graphite Electrode


Regular power graphite electrode is mainly used in EAF steelmaking. We are an industry leader in the production, sales, export and supply of graphite electrodes for a wide range of applications. Our products have excellent electrical conductivity, and perform well in harsh smelting conditions.


 


Detailed specification:


The following are the specific parameters of regular power graphite electrode products.


 


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Physical & Chemical Index











































































ITEMS



TYPE



REGULAR POWER



Ø75-200



Ø250-600



Resistance


μΩ.m (Max)



Electrode



8.5



Nipple



6.5



Density


g/cm³ (Min)



Electrode



1.6



1.58



Nipple



1.75



Flexure Strength


Mpa (Min)



Electrode



10.0



8.0



Nipple



15.0



Elastic Modulus


Gpa (Max)



Electrode



9.3



Nipple



14.0



Ash % (Max)



Electrode



0.1



Nipple



0.1



CTE (100-600℃)


100¯6/℃(Max)



Electrode



2.9



Nipple



2.7



 


 



Current Load














































































































NOMINAL
DIAMETER



REGULAR POWER



MM



INCH



CURRENT LOAD (A)



CURRENT DENSITY (A/CM²)



75



3



1000-1400



22-31



100



4



1500-2400



19-30



130



5



2200-3400



17-26



150



6



3000-4500



16-25



200



8



5500-9000



18-25



250



10



8000-13000



18-25



300



12



13000-17400



17-24



350



14



17400-24000



17-24



400



16



21000-31000



16-24



450



18



25000-40000



15-24



500



20



30000-48000



15-24



550



22



34000-53000



14-22



600



24



38000-58000



13-21



650



25



41000-65000



12-20



700



28



45000-72000



12-19



 



Graphite Electrode Size & Tolerance




 


 


































































































































































DIAMETER (MM)



LENGTH (MM)



NOMINAL DIAMETER



ACTUAL DIAMETER



NOMINAL LENGTH



 


TOLERANCE



 


SHORT LENGTH



INCH



MM



MAX



MIN



ROUGH SPOT



3



75



78



73



72



1000/1200/1400/1600



 


 


 


 


 


 


 


±100



 


 


 


 


 


 


 


-275



4



100



103



98



97



1000/1200/1400/1600



5



130



132



127



126



1000/1200/1400/1600



6



150



154



149



146



1200/1400/1600/1800



7



175



179



174



171



1200/1400/1600/1800



8



200



205



200



197



1600/1800



9



225



230



225



222



1600/1800



10



250



256



251



248



1600/1800/2000



12



300



307



302



299



1600/1800/2000/2200



14



350



358



352



349



1600/1800/2000/2200



16



400



409



403



400



1600/1800/2000/2200



18



450



460



454



451



1600/1800/2000/2200



20



500



511



505



502



1800/2000/2200/2400



22



550



562



556



553



1800/2000/2200/2400



24



600



613



607



604



2000/2200/2400/2700



26



650



663



659



656



2400/2700



28



700



714



710



707



2400/2700



 




Surface Quality











Surface Quality


1. There are no more than two defects or holes on the surface of the electrode and the size shall not exceed the value in the following table.


2. There is no  transverse crack or  longitudinal crack with width of 0.3-1.0 on the surface of  the electrode. The length of  longitudinal crack is not more than 5% of the perimeter of the electrode. The  crack with width less than 0.3mm shall be ignored.


3. The width of black skin area on the surface of  the electrode is less than 1/10 of the perimeter of the electrode and its length is less than 1/3 of the length of the electrode.




























SPECIFICATION


SIZE



NOMINAL DIAMETER OF
GRAPHITE ELECTRODE (MM)



75-225



250-400



450-800



Diameter(mm)



10-20



20-30



30-40



Depth(mm)



3-5



5-10



10-15







Coupling Torque Reference For Nipple & Electrode

















































ELECTRODE DIAMETER



Inch



8



9



10



12



14



16



18



20



22



24



mm



200



225



250



300



350



400



450



500



550



600



BREAKAWAY TORQUE



n.m



200-260



300-340



400-450



550-650



800-950



900-1100



1100-1400



1500-2000



1900-2500



2400-3000








1600579426890
0.0123 s.