300 X1800mm Graphite Electrode with Nipples for Eaf for Welding Cast Steel

Product Description

Product Description
Graphite electrodes are used mainly in ladle furnaces, electric-arc furnace steelmaking,
Yellow phosphorus furnace, Industrial silicon furnace or melting copper. They are presently
the only products available that have high levels of electrical conductivity and the capability
of sustaining the extremely high levels of heat generated in this demanding environment.
Technical Characteristics of Graphite Electrode RP, HP, UHP

Name		Unit	Nominal Diameter
			UHP Ultra-High-Power		HP Superstrong		RP Conventional Power
			≤Φ400	≥Φ450	≤Φ400	≥Φ450	≤Φ300	≥Φ350
Resistivity	Electrode	ΜΩ · m	≤5.5		≤6.5		≤8.5
	Nipple		≤4.5		≤5.5		≤6.5
Flexural Strength	Electrode	MPa	≥11.0		≥10.5	≥9.8	≥8.5	≥7.0
	Nipple		≥20.0		≥16.0		≥15.0
Elastic Modulus	Electrode	GPa	≤14.0		≤12.0		≤9.3
	Nipple		≤18.0		≤16.0		≤14.0
Density	Electrode	g / cm3	≥1.66	≥1.67	≥1.62	1.6	≥1.53	≥1.52
	Nipple		≥1.75		≥1.73		≥1.69
Coefficient Of Thermal Expansion	Electrode	10-6 / ºC	≤1.5		≤2.4		≤2.9
	Nipple		≤1.4		≤2.2		≤2.8
ASH		%	≤0.3		≤0.3		≤0.5
Note: 1.Koeffitsient ash content and thermal expansion as the reference index, the coefficient of thermal expansion (100 ºC ~ 600 ºC), Custom manufacturing.

Technical Characteristics of High Density Graphite Electrode (HD)

Name		Unit	Nominal Diameter
			75-200 mm		250-300mm		400-500mm
			top grade	first grade	top grade	first grade	top grade	first grade
Resistivity (Not More Than)	Electrode	ΜΩ · m	8.0	9.0	8.0	9.0	8.0	9.0
	Nipple		7.5		7.5		7.5
Flexural Strength(not less than)	Electrode	MPa	10		9		8
	Nipple		13		13		13
Elastic Modulus(no more)	Electrode	GPa	12		12		12
	Nipple		14		14		14
Density(not less than)	Electrode	g / cm3	1.58		1.58		1.58
	Nipple		1.68		1.68		1.68
Coefficient Of Thermal Expansion (No More)	Electrode	10-6 / ºC	2.7.		2.7.		2.7.
	Nipple		2.5		2.5		2.5
Ash Content (not more than)		%	0.3		0.3		0.5
Note: 1. The coefficient of ash content and thermal expansion as a reference index.

Technical Characteristics of a Quasi-Superhigh-Gauge Graphite Electrode (EGPK-SHP)

Name		Unit	Nominal Diameter (mm)
			300, 350, 400	450, 500
Resistivity (not more than)	Electrode	ΜΩ · m	6.2	6.5
	Nipple		5.5	5.5
Flexural Strength(not less than)	Electrode	MPa	10.5	10
	Nipple		16	16
Elastic Modulus(no more)	Electrode	GPa	14	14
	Nipple		18	18
Density(not less than)	Electrode	g / cm3	1.65	1.64
	Nipple		1.72	1.7
Coefficient Of Thermal Expansion (no more)	Electrode	10-6 / ºC	1.5	1.5
	Nipple		1.4	1.4
Ash Content (not more than)		%	0.3	0.3
Note: 1. Zonality as a reference index.

Henan Yutai High Temperature New Material Technology Co., Ltd.
The company is a high-tech enterprise integrating scientific research, production, sales and service. It is committed to providing first-class solutions and services to the global high-temperature industry, including steel, aluminum, electricity, glass, kilns, non-ferrous metals, cement industries, etc.
The company has won widespread praise in domestic and foreign markets for its excellent product quality and after-sales service.
All employees of Yutai sincerely look forward to working with you for a win-win situation.
1. OEM, ODM?
Most certainly, we can also customizable to meet unique requirements, for instance, indicators, sizes, etc.
2. Project questions, such as kiln maintenance, available for consultation?
Yes, PLEASE, We have experienced product technical consultants to communicate online.
3. How do you conduct quality testing on your products?
We strictly follow the quality management system, and we have a logistics chemistry laboratory. Here are some of the ways we conduct quality testing:
1) Raw material inspection
2) In-process inspection
3) Finished product inspection
4) Performance testing
5) Stability testing
4. How can I get a sample?
Sure, before your first purchase order, you can get a free test sample.

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