High Quality Graphite Electrodes with RP HP UHP Np for Arc Furnace Petroleum Coke

• Type: Graphite Electrodes
• Carbon Content: High-Carbon
• Grade: Industrial Grade
• Forming Way: Molded Graphite
• Crystal Morphology: Compact Crystalline Graphite
• Composition: High Purity
• Model Number: HP UHP RP
• Application: for Electric Arc Furnace
• Density: 1.68(g/cm3)
• Flextural Strength: 10.0 (N/M2)
• Raw Material: Petroleum Coke
• Nipple: 4tpi/3tpi
• Length: 1600-2700mm
• Resistance (μΩ.M): 7.0
• Thermal Expansion: 2.4
• Product Name: Graphite Electrode
• Elastic Modulus: 12.0 Gpa
• Color: Black
• Transport Package: Packing with Wooden Case and Pallet
• Specification: more than 99.99% carbon content
• Trademark: Chinasun
• Origin: China
• HS Code: 8545110000
• Production Capacity: 5000ton/Year

Product Description

Company Profile

Chinasun International Industry Co., Ltd. is a group of three big factories and some other small factories.

If you have any inquiry, please contact us without hesitation, we will give you rapid reply upon receipt of your inquiry. We insist on the principle of " Sincerity, Friendship, Benefits and Development" and always provide high quality products and best services to all of our customers.

Product Parameters

 

RP graphite electrode		Unit	Nominal Diameter(mm)
			75-200		250-300		400-500
Electric Resistivity			A	B	A	B	A	B
	Electrode	μΩ·m	≤8.0	≤9.0	≤8.0	≤9.0	≤8.0	≤9.0
	Nipple		≤7.5		≤7.5		≤7.5
Bending strength	Electrode	MPa	≥10.0		≥10.0		≥8.0
	Nipple		≥15.0		≥15.0		≥15.0
Elestic modulus	Electrode	GPa	≤12.0		≤12.0		≤12.0
	Nipple		≤14.0		≤14.0		≤14.0
Bulk dentisy	Electrode	g/cm³	≥1.58		≥1.58		≥1.58
	Nipple		≥1.68		≥1.68		≥1.68
CTE	Electrode	X10^-6/ºC	≤2.7		≤2.7		≤2.7
	Nipple		≤2.5		≤2.5		≤2.5
Ash		%	≤0.3		≤0.3		≤0.3

 

HP graphite electrode		Unit	Nominal Diameter(mm)
			200-400	450-500	550-600
Electric Resistivity	Electrode	μΩ·m	≤7.0	≤7.0	≤7.0
	Nipple		≤6.0	≤6.0	≤5.8
Bending Strength	Electrode	MPa	≥10.5	≥10.0	≥10.0
	Nipple		≥14.0	≥14.0	≥16.0
Elastic modulus	Electrode	GPa	≤12.0	≤12.0	≤12.0
	Nipple		≤16.0	≤16.0	≤16.0
Bulk Density	Electrode	g/cm^3	≥1.62	≥1.62	≥1.62
	Nipple		≥1.72	≥1.72	≥1.72
CTE	Electrode	X10^-6/ºC	≤2.4	≤2.4	≤2.4
	Nipple		≤2.2	≤2.2	≤2.2
Ash		%	≤0.3	≤0.3	≤0.3

 

UHP graphite electrode		Unit	Nominal Diameter(mm)
			300-400	450-500	550-700
Electric Resistivity	Electrode	μΩ·m	≤6.2	≤6.2	≤6.3
	Nipple		≤5.0	≤5.0	≤4.5
Bending Strength	Electrode	MPa	≥10.5	≥10.5	≥11.0
	Nipple		≥18.0	≥18.0	≥22.0
Elastic Modulus	Electrode	GPa	≤14.0	≤14.0	≤14.0
	Nipple		≤18.0	≤18.0	≤22.0
Bulk Density	Electrode	g/cm^3	≥1.66	≥1.66	≥1.66
	Nipple		≥1.75	≥1.75	≥1.75
CTE	Electrode	X 10^-6/ºC	≤1.5	≤1.5	≤1.4
	Nipple		≤1.4	≤1.4	≤1.2
Ash		%	≤0.3	≤0.3	≤0.5

Product Description

Application:
1.Used mainly in ladle furnaces, electric-arc furnace steelmaking, Yellow phosphorus furnace, Industrial silicon furnace or melting copper.
2.Used to refine steel in ladle furnaces and in other smelting processes.
 

Characteristics of graphite electrode
1. Low electric resistance
2. Good electric and thermal conductivity
3. High density
4. High anti-oxidation capability
5. High mechanical strength
6. High machining accuracy.

Detailed Photos

Graphite electrode, mainly use petroleum coke, needle coke for material, and use coal pitch for binder, after calcining,burdening,kneading,forming,baking and pressure impregnation, graphitization and then precision machined with professional CNC machining. 
Graphite electrode has the advantages of low resistivity,high electrical conductivity and thermal conductivity,good oxidation resistance, good thermal shock resistance,high mechanical strength,easy to machine,etc.

 

Certifications

 

Packaging & Shipping

PACKING: Packing with wooden case and pallet, and enlace with baling band

Dimension of Tapered Nipples for Graphite Electrode:
Diameter Tolerance for Graphite Electrode:       Unit: mm

Suggested Current Capacity and Current Density for our Graphite Electrodes:

Diameter	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
300	10000-13000	14-18	13000-17400	17-24	15000-22000	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	19-27
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	32000-41000	13-16	37000-58000	15-23	45000-65000	18-27
600	38000-47000	13-16	44000-67000	15-23	52000-75000	18-26
650	45000-54000	13-16	54000-73000	15-23	62000-95000	18-24

Instruction for Graphite Electrode:

Our Advantages

1. Rich experience in ODM  and OEM.
2. Excellent One-stop service.
3. High Quality Precision Customized forging & Casting services.
4. The lowest price.
5. Strict quality control with ISO9001 Certificate.
6. We can manufacture it according to customers requirements.
7. Best after-sale services.
8. According to custmers' requirements and the relevant claused of contract, we will offer the reliable packaging and tranportation, grarantee bothe the quality and quantity, and dlier all the goods on schedule.

9. We will send the technical staff to visit the steel plants for trial shipment if necessary, introduce the knowledge about how to use the electrodes, guide the opration process, and provide the assistance.

10. We will establish the clients' files, actively communicate with the clients and record the clients' feedback and suggestions.

11. For any qulity claims, we will give ansvers within 24 hours. If necessary, we will send thechnical staff to the plant in order to find out the reason, instruct the operation and slove the problems as soon as possible.
 

Product features:
1. Good machining performance
Compared with metal materials, graphite has lower density and excellent machining properties.
2.Thermal stability
Protected by an inert gas, he can work at temperatures of 3000 degrees or more.
3.The low inflation rate
Even in the case of rapid temperature rise, the low thermal expansion rate can guarantee that the graphite size remains unchanged.
4. Good chemical resistance
Graphite has good chemical stability at room temperature, such as acid resistance, alkali resistance and organic solvent resistance.
5.Good electrical and thermal conductivity
Because of its excellent thermal conductivity, graphite is ideal for some applications, such as heating.
6. High purity of molded graphite also has other excellent properties, such as:
-High strength
-ultra pure
-Anti-corrosion
-Low resistance
-Stable performance
- Environmental protection

Process flow chart:

FAQ

When can i get the price?
We usually quote within 24 hours after getting your special require, such as size, quantity etc.

 

 What about the lead time for mass product?
The lead time is based on the quantity, about 15-20 days.

 

 What is your terms of delivery?
We accept FOB, CFR, CIF, EXW, etc. We will choose the most convenient way for you.

 

 What is the packing term?
We are packed in wooden pallets, or according to your requirements.

 

 Notice:
Pls note that the price on MADE IN CHINA is a rough price. The actual price will depends on raw materials.