PriceList for Hp Graphite Electrode For Foundry - HP 350mm Graphite Electrode – Hexi

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Along with the "Client-Oriented" enterprise philosophy, a rigorous high-quality control process, superior production products along with a robust R&D group, we constantly deliver premium quality products, exceptional solutions and aggressive costs for Large Diameter Graphite Electrode, Uhp Grade Graphite Electrodes, Regular Power Graphite Electrode, Our firm warmly welcome friends from everywhere in the globe to visit, examine and negotiate business enterprise.

PriceList for Hp Graphite Electrode For Foundry - HP 350mm Graphite Electrode – Hexi Detail:

350-3
350-2

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.

Allowable current load for ultra-high power graphite electrodes
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
items		unit	nominal diameter（mm）
items		unit	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
灰分 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

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

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600mm Graphite Electrode