350mm high power graphite electrode

Short Description:

This is a 350mm diameter, High power graphite electrode. China’s best quality graphite electrode.The graphite electrodes produced by our factory are of good quality, stable performance, low consumption, complete specifications, rapid delivery and good service.

Send email to us

Product Detail

Product Tags

Grade:High Power
Applicable furnace: EAF
Length: 1800mm/2100mm/2400mm
Nipple:3TPI/4TPI
Shipping Term: EXW/FOB/CIF

HP graphite electrode is mainly made of petroleum coke and needle coke, It is capable of carrying the current density 18-25A/cm2. Generally it is designed for high power electric arc furnace steel-making.

350mm high power graphite electrode2

高功率石墨电极和接头标准 High power graphite electrode and joint standard
项目items		单位unit	公称直径 nominal diameter（mm）
项目items		单位unit	200～400	450～550	550～700
电阻率 specific resistance	电极接头 electrode nipple	μ Ω•m	5.2～6.5 3.5～4.5	5.2～6.5 3.5～4.5	5.2～6.5 3.2～4.3
抗折强度 transverse strength	电极接头 electrode nipple	MPa	≥11.0 ≥22.0	≥11.0 ≥22.0	≥10.0 ≥22.0
弹性模量 elastic modulus	电极接头 electrode nipple	GPa	≤12.0 ≤15.0	≤12.0 ≤15.0	≤12.0 ≤15.0
灰分 ash content	电极接头 electrode nipple	%	≤0.2	≤0.2	≤0.2
体积密度 bulk density	电极接头 electrode nipple	g/m³	1.68～1.73 1.78～1.83	1.68～1.73 1.78～1.83	1.68～1.72 1.78～1.83
热膨胀系数（C.T.E)	电极接头 electrode nipple	10℃	≤2.0 ≤1.8	≤2.0 ≤1.8	≤2.0 ≤1.8

高功率石墨电极允许的电流负载 Allowable current load for high-power graphite electrodes
公称直径 nominal diameter	允许电流 allowable current		公称直径 nominal diameter	允许电流 allowable current
mm	A	A/㎡	mm	A	A/㎡
200	6500～10000	18～25	450	25000～40000	15～24
250	8000～13000	17～27	500	30000～48000	15～24
300	13000～17500	17～24	550	34000～53000	14～22
350	17400～24000	17～24	600	38000～58000	13～21
400	21000～31000	16～24	700	45000～72000	12～19