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china graphite electrode manufacturer uhp 500 scrap electrode graphite for steel making

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Meorient Import & Export Co.LTD

China - Hangzhou

Trading Company

Trade Capacity

Export Percentage

Nearest Port

Hangzhou,Shanghai

Accepted Delivery Terms

Employees

5-10人

Accepted Payment Currency

USD,CNY

Average Lead Time

45 Day(s)

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Product Details

Product Specifications Product Description

Product Specifications

Product Description

Overview

Quick Details

Place of Origin:: Hebei, China

Brand Name:: EB

Model Number:: RP HP UHP SHP

Type:: Electrode Block

Application:: EAF

Length:: 1600~2400mm

Grade:: UHP (Ultra High Power)

Resistance (μΩ.m):: 5.5

Apparent Density (g/cm³ ):: 1.73

Thermal Expansion:: 1.5

Flexural Strength (N/㎡):: 8-12 Mpa

Product Name:: Graphite electrode scrap in good price

ASH:: 0.3

Superiority:: High Energy Efficiency

Raw Material:: 100% Neddle Needle Coke

Name:: Graphite electrode scrap in good price

Style:: Pyrolytic High Density Graphite

Nipple:: 3TPI/4TPI/4TPIL

Color:: BLACK GREY

Manufacture equipment:: 10000KVA DC Grahitization Furnace

Applicattion 1:: Smelting Steel

Supply Ability

Supply Ability:: 1000 Ton/Tons per Month

Packaging & Delivery

Product Description

Graphite electrode is made of petroleum coke and imported needle coke. It is widely used in electric arc furnace and refining furnace. It is suitable for producing alloy steel and other metal and nonmetallic materials. Varieties: ordinary power, high power, quasi ultra-high power (non-national standard), ultra-high power graphite electrode, specification Φ 300- Φ 600, this product has low resistivity, good conductivity and thermal conductivity, good oxidation resistance, strong thermal shock resistance and mechanical vibration resistance, High mechanical strength, high mechanical processing strength and other characteristics.

Special Warning:

Problems encountered in the use of bad quality electrode:

electrode removal!

electrode cracking!

electrode drop block!

Please check the quality of the goods carefully!

china graphite electrode manufacturer uhp 500 scrap electrode graphite for steel making from China supplier

1.Properties Unit:mm

Item		Unit	Norminal Diameter
			UHP		HP		RP
			≤400mm	≥450mm	≤400mm	≥450mm	≤300mm	≥350mm
Resistance	E	μ Ω .m	≤5.5		≤6.5		≤8.5
	N		≤4.5		≤5.5		≤6.5
Bending Strength	E	MPa	≥11.0		≥10.5	≥9.8	≥8.5	≥7.0
	N		≥20.0		≥16.0		≥15.0
Elastic Modulus	E	GPa	≤14.0		≤12.0		≤9.3
	N		≤18.0		≤16.0		≤14.0
Bulk Density	E	g/cm³	≥1.66	≥1.67	≥1.62	≥1.60	≥1.53	≥1.52
	N		≥1.75		≥1.73		≥1.69
CTE (100-600℃)	E	10^-6/℃	≤1.5		≤2.4		≤2.9
	N		≤1.4		≤2.2		≤2.8
Ash		%	≤0.3		≤0.3		≤0.5

Note:The above data for your reference.

2.Suggested Current Capacity and Current Density Unit:mm

Norminal	RP		HP		UHP
mm	Current load A	Current Density A/cm²	Current load A	Current Density A/cm2	Current load A	Current Density A/cm2
200	5000-6900	15-21	5500-9000	18-25
250	7000-10000	14-20	8000-13000	18-25	9200-15100	21-30
300	10000-13000	14-18	13000-17400	17-24	13000-22000	20-30
350	13500-18000	14-18	17400-24000	17-24	20000-30000	20-30
400	18000-23500	14-18	21000-32000	16-24	25000-40000	19-30
450	22000-27000	13-17	25000-40000	15-24	32000-45000	19-27
500	25000-32000	13-16	30000-48000	15-24	38000-55000	18-27
550	32000-40000	13-16	37000-57000	15-23	48000-60000	18-24
600	38000-47000	13-16	44000-67000	15-23	52000-72000	18-24
700	45000-54000	13-16	54000-73000	15-23	62000-95000	18-24

3.Product Flow

Step 1.raw material

Raw material adopt High quality imported needle coke

Step 2 Crushing and preportioning

After crushing and screening in the mechanical equipment the needle coke preportioning as per formula.

Step 3 Mixing

The raw material after proportioning will be mixed with a proper portion of coal tar and heated to make it become paste with plasticity.

Step 4 Forming

The paste after cooled to the process temperature will enter into the pressing machine and forming as per the product specification.

Step 5 Baking

In the baking furnace,the green electrode will be baked to the specified temperature as per the process requirement.

Step 6 Pitch impregnation

Then impregnated by coal tar as per specific prpcess to improve the electrode density and mechanical strength then baking again to improve electrode performance.

Step 7 Graphitizing

The product after baking will be heated to 3000℃ inthe graphitization furnace,it’s carbon atom structure will rearrange to specific crystalline form.

Applications

The main uses of graphite electrodes are as follows:
(1) for electric arc steelmaking furnace. Graphite electrodes for steelmaking account for about 70-80% of the total amount of graphite electrodes.
(2) used in mine electric furnace. Graphite electrode thermoelectric furnace is mainly used to produce ferroalloy, pure silicon, yellow phosphorus, matte and calcium carbide.
(3) used in resistance furnace. For resistance furnace production and processing of graphite products, glass melting and production of silicon carbide and so on.

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To: Lily Liu

Meorient Import & Export Co.LTD

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