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Low MOQ for Neodymium-Iron-Boron Magnet Sintering Box - Graphite mold for continuous casting – Ningxin

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Low MOQ for Neodymium-Iron-Boron Magnet Sintering Box - Graphite mold for continuous casting – Ningxin Detail:

Graphite mold for continuous casting

Continuous casting graphite mold refers to graphite products used in continuous casting molds. Metal continuous casting technology is a new technology that directly turns molten metal into a material through a continuous casting mold. Because it does not undergo rolling and becomes a material directly, the secondary heating of the metal is avoided, so a lot of energy can be saved.

Continuous casting graphite is made from carbonaceous raw materials (petroleum coke, pitch coke, coal pitch…) after a series of production processes. Among them, the compression molding process can be respectively cold compression molding or cold isostatic pressing molding process. The advanced high-tonnage cold isostatic pressing process is adopted to ensure the production of uniform, dense and high-strength continuous casting graphite. Increasing the surface coating technology treatment can sing the service life of the graphite crystallizer, improve the quality of the continuous casting metal surface, and increase the continuous casting process speed.

Compared with graphite materials for other purposes, continuous cast graphite has the following characteristics: fine particles, uniform texture, high volume density, low porosity and high strength. Its basic performance is as follows:

Parameter

Index

C Content(%)

99.9~99.995

Bulk Density(g/cm3)

1.75~1.90

Compressive Strength(MPa)

60~100

Flexural Strength(MPa)

24~50

Young’s Modulus (GPa)

7~11

Porosity(%)

14~21

Specific Resistance(μΩ·m)

10~20

Overview of the development of continuous casting graphite at home and abroad

1) Countries attach great importance to the development and application of continuous casting graphite. This can be confirmed from the increase in the variety of continuous casting graphite, process improvement, and quality improvement. For example, Germany and Japan dare to spend a lot of money in the process of developing continuous casting graphite, so they produce more varieties of continuous casting graphite, and the quality is also better. Copper profiles and cast iron continuous casting technology are also relatively developed.

2) In the direction of product development, foreign countries have paid more attention to the development of fine-grained, high-density, isotropic graphite as continuous casting graphite. In particular, the German Linsdorf company has accumulated considerable experience in this area and has taken many measures. Japan’s Toyo Tansuo Company has also been catching up, and it has the potential to surpass. In China, Dongshin Electric Carbon Plant and Shanghai Carbon Plant have been successful in this area a few years ago. In order to improve the performance of the working surface of the graphite crystallizer, the surface coating technology is adopted, which has a greater effect on the improvement of the service life of the continuous casting graphite. The Soviet Union adopted boron nitride coating technology, while the coating of continuous cast graphite in my country is mainly deposited pyrolytic graphite. Although it has not been widely popularized, it has been welcomed by many users. In addition, the Shanghai Electric Carbon Plant also uses the traditional formula to add 0.6 to 2% of metal oxides, and uses the mechanism of these metal oxides to convert into high melting point carbides at 2500 ℃ graphitization high temperature, thereby improving the oxidation resistance of continuous casting graphite. To achieve the purpose of improving the service life.

3) The large-scale specification of continuous casting graphite has become a top priority. In view of the fact that the quality of large-scale continuous casting graphite has a large gap compared with foreign countries, great efforts should be made to develop it. This is worthy of the relevant manufacturers’ attention, both in terms of social and economic benefits.

4) In my country, the continuous casting technology of copper profiles has developed rapidly, started earlier, has a larger scale, and has more mature and rich experience. The continuous casting technology of continuous casting profiles is newly developed, and the continuous casting technology required Although cast graphite can still be used, further improvement and improvement are necessary.

5) Research should be carried out to improve the machining accuracy of the continuous casting graphite mold and improve the product structure. This is also one of the measures to improve the life of the graphite crystallizer. Germany and the Soviet Union have clear requirements for product machining accuracy, and domestic users also hope that the roughness of the inner wall of continuous casting graphite can be improved, which can effectively prevent cracks on the surface of the casting. In addition, in order to improve the contact state. The shape and structure of continuous casting graphite should be improved so that the contact area between it and the copper mold reaches 80%.


Product detail pictures:

Low MOQ for Neodymium-Iron-Boron Magnet Sintering Box - Graphite mold for continuous casting – Ningxin detail pictures

Low MOQ for Neodymium-Iron-Boron Magnet Sintering Box - Graphite mold for continuous casting – Ningxin detail pictures

Low MOQ for Neodymium-Iron-Boron Magnet Sintering Box - Graphite mold for continuous casting – Ningxin detail pictures


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Good quality comes to start with; service is foremost; organization is cooperation" is our enterprise philosophy which is regularly observed and pursued by our firm for Low MOQ for Neodymium-Iron-Boron Magnet Sintering Box - Graphite mold for continuous casting – Ningxin , The product will supply to all over the world, such as: Birmingham, Wellington, Puerto Rico, By integrating manufacturing with foreign trade sectors, we can offer total customer solutions by guaranteeing the delivery of right items to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.

Q1. Are you a factory or trading company?
A: We are an ISO9001-Qualified processing manufacturer with 70000 square meter factory area.
Q2. Can you introduce your main products?
A: Sure.
Jiangxi Ningheda New Material Co., Ltd. mainly produces graphite products, we can offer customized shape according to customers’ specific demand. Our Graphite Products, including molded graphite products, isostatic graphite products, extruded graphite products, vibration moulding graphite products. We can produce a lot of graphite products, like graphite mold, graphite casting die, graphite heating element, graphite crucible, graphite sealing ring, graphite tube, graphite rod, graphite edm, graphite block etc.
Q3.What is your MOQ?
A: 1 piece (graphite block, graphite rod, graphite box, graphite mold, graphite material, graphite seal ring, graphite crucible, graphite products, graphite sintering mold, graphite heater etc.).
Q4. Can you offer free samples?
A: Yes, usually we can offer free samples for customers to check the quality, but do not afford express charge.
However, if the sample is expensive, we have to charge basic cost of the sample. And samples delivery time is 3-10 days usually.
Q5. When can I get the price?
A: We will reply you within 24 hours after getting your detailed requirements, like size, quantity etc. If you need an urgent response, pls call us directly.
Q6. Do you accept OEM or ODM orders?
A: Yes, of course, most of our products are customized.
Q7. How about your delivery time?
A: Usually 7 to 25 days after advance payment.
Q8. Do you test your goods before delivery?
A: Yes, we have strict inspection system.
Q9. How do you keep long-term business relationship?
A: 1. Good quality and competitive price to ensure mutual benefit;
2. Quick reply and sincere service.
Remark: When you contact us, please show us the accurate drawing(s) and your selected graphite material information, then we can offer you accurate price(s).

  • We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Daisy from Islamabad - 2018.09.21 11:44
    Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
    5 Stars By Tyler Larson from European - 2018.02.21 12:14
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