Ultra high power electrode

Artifical graphite electrodes is made of high-quality low ash materials,like the petroleum coke,needle coke and coal pitch.After experiencing calcinations,burdening,kneading,forming,baking and pressure impregnation,it is graphitized in a hign temperature of over 3000℃, And then treated with machining.this kind of product is widely used for electric arc steel-making,yellow phosphorus,indusreial silicon,other alloys and non-metallic materials of electric atc furnace. this product is characterized by low resistivity,good electrical conductivity,low ash,even and compact structure,good antioxidation and high mechanical strength

Ultra High power
Project				Nominal diameter /mm
				300-400	450-500	550-650
Resistivity /	μΩ·m	≦	Electrode	6.2	6.3	6
			Joint	5.3	5.3	4.5
Flexural strength /	Mpa	≧	Electrode	10.5	10.5	10
			Joint	20	20	22
Elastic modulus /	Gpa	≦	Electrode	14	14	14
			Joint	20	20	22
Bulk density /	g/cm3	≧	Electrode	1.67	1.66	1.66
			Joint	1.74	1.75	1.78
Thermal expansion coeffi	10-6/℃	≦	Electrode	1.5	1.5	1.5
cient /			Joint	1.4	1.4	1.3
Ash / %		≦		0.5	0.5	0.5

 

Size and permissble variation of Graphite Electrode

Nominal		Actual diameter			Nominal length	Actual
diameter						length
		Maxmum	Minmal	Black part is the		Allow	Short feet
				smallest		deviation
Inches	mm
10	250	256	251	248	1600/1800/2000	±100	-275
12	300	307	302	299
14	350	357	352	349
16	400	409	403	400	1600/1800/2000/2200
18	450	460	454	451
20	500	511	505	502	1800/2000/2200/2400
22	550	562	556	553
24	600	613	607	604	2000/2200/2400/2700

 

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Liaoyang Shoushan Carbon Factory

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