Country:China>Shandong>weifang
Shouguang,Weifang, Shandong, China
Company:Shandong Rongfu new material technology Co,Ltd
Mobile:19963447839
Tell:86-0536-5222183
550-800mm RP graphite electrode,RP Graphite Electrode,Industrial Graphite Electrode,High Density Graphite Electrodes Manufacturer RP Graphite Electrode Industrial Graphite Electrode High Density Graphite Electrodes Manufacturer Electric resistivity : 7.5-8.8 Bending strength:>=6.5 Elastic Modulus: <=9 Bulk density: 1.54-1.62 Ash: <=0.3 CTE: 2.20-2.60 Regular power graphite electrode is a graphite electrode with allowable current density lower than 17A/cm2. RP graphite electrode is mainly used in the ordinary power electric furnace for steelmaking, silicon smelting and yellow phosphorus refining etc. Physical and Chemical Index of Hign Power Graphite Electrode: Item Unit HP 300~500 550~700 Electric Resistivity Electrode uΩ.m 5.5~6.8 5.5~7.0 Nipple 4.0~5.5 Bending Strength Electrode MPa ≥10.0 ≥8.5 Nipple ≥18.0 Modulus of Elasticity Electrode GPa ≤13.0 Nipple ≤15.0 Bulk Density Electrode g/cm3 1.62~1.70 Nipple 1.72~1.80 Ash Content Electrode % ≤0.3 Nipple The Coefficient of Thermal Expansion(CTE) Electrode 10-6/℃ 1.80~2.20 Nipple 1.50~1.80 High Power Graphite Electrode Current Carrying Capacity Norminal Diameter HP Current Carrying Capacity Current Density inch mm A A/cm2 12 300 *~* 17~24 14 350 *~* 17~24 16 400 *~* 16~24 18 450 *~* 15~24 20 500 *~* 15~24 22 550 *~* 14~22 24 600 *~* 13~21 28 700 *~* 12~19 32 800 / / Tolerance of Graphite Electrode Diameter and Length(mm) Nominal Diameter Actural diameter Length in mm max min Black surface min 12 300 307 302 299 1800/2000 14 350 358 352 349 1800/2000/2200 16 400 409 403 400 1800/2000/2200 18 450 460 454 451 1800/2000/2200 20 500 511 505 502 2000/2200/2400 22 550 562 556 553 2000/2200/2400/2700....
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