Regular Power Graphite Electrode

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It is refined from high-quality petroleum coke and coal tar pitch through raw material calcination, batching, kneading, molding, roasting, graphitization, machining and other processes.

Parameters

Project Unit RP
(Regular Power)
≤φ400 ≥φ450
Resistivity Electrode μ Ω m 7.0-8.5 7.5-9.0
Connector 4.2-5.2
Flexural strength Electrode Mpa 7.5-9.5 7.0-8.5
Connector 17.0-22.0
Elastic Modulus Electrode Gpa 6.0-9.0
Connector 12.0--16.0.0
Ash Electrode % 0.4
Connector
Bulk density Electrode g/cm³ 1.54-1.62
Connector 1.72-1.77
Thermal expansion
coefficient (100-600℃)
Electrode 10-6/℃ 2.0-2.4
Connector 1.1-1.5
Graphite Electrode specifications and allowable deviations
Nominal diameter Actual diameter(mm) Actual length(mm)
Mm in Maximum The smallest The black part is the smallest Length Length tolerance Short length
200 8 205 200 197 1600/1800    
250 10 256 251 248 1600/1800    
300 12 307 302 299 1600/1800    
350 14 357 352 349 1600/1800    
400 16 409 403 400 1800/2000/2200 ±100 -275
450 18 460 454 451 1800/2000/2200    
500 20 511 505 502 1800/2000/2200/2400    
550 22 562 556 553 2000/2200/2400    
600 24 613 607 604 2000/2200/2400/2700    
650 26 663 657 654 2400/2700    
700 28 714 708 705 2400/2700    
750 30 765 761 758 2200/2400/2700/3000    
800 32 816 812 809 2200/2400/2700/3000