Graphite Welding Electrodes

 

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Graphite electrodes are mainly used in electric arc furnaces. At present, it is the only product with high conductivity and can continuously generate the extremely high heat required in electric arc furnaces. It can also be used in refining furnaces to smelt steel. According to quality indicators, it can be divided into 4 types: ultra-high power graphite electrode, quasi-ultra-high power graphite electrode, high power graphite electrode, and ordinary power graphite electrode.

 

 

Item	Classification	Unit	Nominal diameter (mm)
			250-400	450-500	550-650	700-800
Resistivity	Electrode	μΩm	6.2	6.3	6	5.8
	Connector	≤	5.3	5.3	4.5	4.3
Flexural strength	Electrode	Mpa	10.5	10.5	10	10
	Connector	≥	20	20	22	23
Elastic modulus	Electrode	Gpa	14	14	14	14
	Connector	≤	20	20	22	22
Volume density	Electrode	g/cm3	1.67	1.66	1.66	1.68
	Connector	≥	1.74	1.75	1.78	1.78
Thermal expansion coefficient (100℃-600℃)	Electrode	×10-6/℃	1.5	1.5	1.5	1.5
	Connector	≤	1.4	1.4	1.3	1.3
Ash content	Electrode	%	0.5	0.5	0.5	0.5

 

Item	Unit	Nominal diameter mm
		Φ800～Φ960	Φ1020～Φ1400
Resistivity Electrode not more than Joint	μΩ.m	11.0 7.5	13.0 7.5
Flexural strength Electrode not less than Joint	MPa	6.0 13.0	6.0 13.0
Elastic modulus Electrode not more than Joint	Gpa	10.0 14.0	10.0 14.0
Thermal expansion coefficient Electrode not more than Joint	×10-6/℃	3.2 2.8	3.2 2.8
Volume density Electrode not less than Joint	g/cm3	1.58 1.68	1.58 1.68
Ash content not more than	％	0.5	0.5

 

 

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2. We will maintain effective and efficient communications with our customers.
3. We provide first-class quality control and after-sale services.

 

We can provide you with free samples, manuals, laboratory test reports, industry reports, etc. Welcome to visit our factory and company.

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