HP GRAPHITE ELECTRODE

Hebei Karbul Energy Manufacturing Co., Ltd.: Your Professional HP Graphite Electrode Manufacturer!

Located in Cheng'an county, Handan city, Hebei province, only10 kilometers away from Handan airport, Hebei Karbul Energy Manufacturing Co., Ltd. is a wholly-owned subsidiary of "Handan Fangyuan Carbon Co., Ltd.", we are specialized in the production and sales of graphite electrodes. The company's main products are RP graphite electrode, HP graphite electrode, SHP graphite electrode, UHP graphite electrode, recarburizer, etc.

Why choose us?

Sales market

Our products to countries and regions like Russia, Europe, Asia and South America, winning a good reputation both in domestic market and overseas for its good quality and competitive price.

Equipment and scale

Our factory covers an area of about 160000 square meters, has more than 500 employees. It has two production lines of 3500 tons extrusion molding machine and vibration molding machine, 6000 tons graphitization furnace, with annual output of various graphite products 30000 tons.

Professional team

Is specialized in the production and sales of graphite electrodes. With professional technicians and excellent after-sale service, we have been exporting.

Benefits of HP Graphite Electrode

High thermal conductivity

One of the most significant attributes of HP graphite electrodes is their high thermal conductivity. This property ensures efficient heat transfer, enabling better control of metallurgical processes. The ability to withstand extreme temperatures without degrading makes HP graphite electrodes ideal for electric arc furnaces.

Superior electrical conductivity

Electrical conductivity is vital in any electrolytic process. HP graphite electrodes boast superior electrical conductivity, allowing for efficient energy transfer during operation. This characteristic is particularly beneficial in reducing energy consumption, thus enhancing overall operational efficiency.

Mechanical strength and durability

The mechanical strength and durability of HP graphite electrodes cannot be overstated. They are engineered to endure the harsh conditions of metallurgical processes, including thermal shocks and mechanical stresses. This resilience not only extends the lifespan of the electrodes but also minimizes downtime and maintenance costs.

Cost-effectiveness

HP graphite electrodes offer cost-effectiveness in the long run. Although the initial investment may be higher than other electrode types, their durability and efficiency translate to lower overall operational costs. Reduced maintenance and longer lifespans contribute to this cost-effectiveness.

Product Properties

Properties	Position	Unit	HP 300-800mm
Specific Resistance	Body	μΩm	5.8-6.6
Nipple	4.2-5.0
Bending Strengh	Body	Mpa	10.0-13.0
Nipple	18.0-22.0
Young's Modulus	Body	Gpa	8.0-12.0
Nipple	14.0-16.0
Bulk Density	Body	g/cm3	1.62-1.66
Nipple	1.74-1.80
CTE(100-600°C)	Body	×10 -6/ﾟC	1.6-1.9
Nipple	1.1-1.4
Ash Content	%	0.3

Application of HP Graphite Electrode

Iron casting:
HP graphite electrode can be used in electric arc furnace for the production of iron castings.

Steel casting:
HP graphite electrode is widely used in electric arc furnaces for the production of high-quality steel castings.

Non-ferrous casting:

HP graphite electrode is used in the melting of non-ferrous metals like copper, aluminum, and zinc for the production of high-quality castings.

Investment casting:

HP graphite electrode is used in investment casting for the production of complex and intricate shapes.

Sand casting:

HP graphite electrode is used in sand casting to produce high-quality metal parts with high dimensional accuracy and a smooth surface finish.

Package Dimension and Weight

*Diameter Length**		Numbers of Electrodes per Package	Electrodes		Nipples pre-connection
*Diameter Length**		Numbers of Electrodes per Package	Overall Dimensions	Approx. Weight	Overall Dimensions	Approx. Weight
mm	inch	pcs	mm	kg	mm	kg
200x1800	8x72	9	1900×1070×470	908	2100×1070×470	930

graphite electrod is loaded and delivered

graphite electrod is loaded

Manufacturing Process

Graphite electrode is mainly made of petroleum coke and needle coke, mixed with coal pitch, getting through processes of calcinations, kneading, forming, baking, graphitizing and machining, finally to be products. The following flow diagram will help you understand the process better.

Payment Methods

●T/T: 30% down payment, and 70% against B/L copy.

●L/C: Sight or usance acceptable

●Deferred payment: Only applicable to regular customers

Certifications

Graphite electrode flow chart

FAQ

Q: How is an HP graphite electrode different from other types of electrodes?

A: HP graphite electrodes are designed to handle higher currents and power densities compared to regular graphite electrodes. They have better electrical conductivity, mechanical strength, and thermal shock resistance. This allows them to be used in high - power electric arc furnaces for more efficient and faster melting and refining operations.

Q: What are the main raw materials used in making HP graphite electrodes?

A: The main raw materials are petroleum coke, which provides the carbon content, and coal - tar pitch, which acts as a binder. Petroleum coke is carefully selected for its purity and graphitizability. The pitch helps to hold the coke particles together during the manufacturing process.

Q: How are the electrical conductivity and resistivity of HP graphite electrodes measured?

A: Electrical conductivity is usually measured by applying a known voltage across a sample of the electrode and measuring the resulting current. Resistivity (the inverse of conductivity) can be calculated using the formula ρ = (R * A) / L, where ρ is resistivity, R is the measured resistance, A is the cross - sectional area of the sample, and L is the length of the sample. These measurements are typically made using specialized electrical testing equipment.

Q: What are the standard sizes and lengths of HP graphite electrodes?

A: Common diameters range from about 300 mm to 700 mm, and lengths can vary from around 1800 mm to 2500 mm. However, different manufacturers may also produce custom - sized electrodes to meet specific customer requirements.

Q: In which industries are HP graphite electrodes mainly used?

A: The primary industry is steelmaking. They are used in electric arc furnaces for melting scrap steel and producing new steel. They are also used in some non - ferrous metal smelting operations, such as in the production of ferroalloys and in certain specialty metal refining processes.

Q: How should HP graphite electrodes be stored?

A: They should be stored in a dry, clean, and well - ventilated area. Storing them upright on proper supports helps to prevent damage. The storage area should be protected from moisture, as moisture can affect the electrode's properties and performance.

We're well-known as one of the leading hp graphite electrode manufacturers and suppliers in China for our quality products and good service. Please feel free to buy hp graphite electrode at competitive price from our factory.

HP 600mm Graphite Electrode, 500mm Graphite Electrodes, Used Graphite Electrode