One of Hottest for Hp 250 Mm Graphite Electrodes - HP Graphite electrode – Yidong

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With advanced technologies and facilities, strict high-quality handle, reasonable rate, superior services and close co-operation with prospects, we are devoted to furnishing the best price for our customers for 200mm Hp Graphite Electrode For Arc Furnace, Diameter 600 Mm Graphite Electrodes, Best Graphite Electrodes, Our team members are aim to provides products with high performance cost ratio to our customers, and the goal for all of us is to satisfy our consumers from all over the world.

One of Hottest for Hp 250 Mm Graphite Electrodes - HP Graphite electrode – Yidong Detail:

Description
This product is mainly applied for higher power elecric arc furnace as a conductive material,the high power graphite electrode was produced with high quality raw material and the quality is controlled strictly during production process.Our products won the trust of the users by good quality,reasonable price and attentive service.
We have HP graphite electrodes diameter 100-700mm.

Feature
1.High mechanical strength, low electrical resistance.
2. High-purity, high-density, strong chemical stability.
3.High machining accuracy, good surface finishing.
4.High resistance to oxidation and thermal shock.
5.Anti-oxidation treatment for longevity.
6. Resistant to cracking & spalling.

Quality requirements
1.There should be less than two defects or holes on the electrode surface.
2. There should be no transverse crack on the electrode surface. For the longitudinal crack, the length should be less than 5% of the electrode circumference and the width should be 0.3 to 1.0 mm.
3. The width of black area on electrode surface should be less than 1/10 of the electrode circumference and the length should be less than 1/3 of the electrode.

Specification
The physical and chemical indexes of high-power graphite electrodes and nipples refer to YB/T 4089-2015

Project		Nominal diameter /mm
Project		200~400	450~500	550~700
Resistivity /μΩ·m ≤	Electrode	7.0	7.5	7.5
Resistivity /μΩ·m ≤	Nipple	6.3	6.3	6.3
Flexural Strength /MPa ≥	Electrode	10.5	10.0	8.5
Flexural Strength /MPa ≥	Nipple	17.0	17.0	17.0
Elastic Modulus /GPa ≤	Electrode	14.0	14.0	14.0
Elastic Modulus /GPa ≤	Nipple	16.0	16.0	16.0
Bulk Density /(g/cm³) ≥	Electrode	1.60	1.60	1.60
Bulk Density /(g/cm³) ≥	Nipple	1.72	1.72	1.72
Thermal expansion coefficient /(10^-6/℃) ≤ （room temperature~600℃）	Electrode	2.4	2.4	2.4
	Nipple	2.2	2.2	2.2
Ash /％ ≤		0.5	0.5	0.5
Note: Ash is divided into reference index.

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200mm Uhp Graphite Electrode For Arc Furnace