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Graphite Material Manufacturers and Suppliers

IQS Directory provides an extensive list of graphite material manufacturers and suppliers. Utilize our website to review and source graphite material manufacturers with our easy-to-use features which allow you to locate graphite material companies that will design, engineer, and manufacture graphite materials for your exact specifications. Our request for quote forms make it easy to connect with leading graphite material manufacturers. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for graphite bearings, graphite rods, or graphite anodes.

  • Denver, PA

    Weaver Industries is a leader in graphite machining technology, utilizing 4th and 5th axis CNC machines and laser scanning coordinate measuring inspection abilities. Our skilled team of staff members work hard to provide you with the very best graphite materials at a competitive cost. Our products range from tiny components weighing mere ounces to 10-ton equipment for the steel industry.

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  • Harvard, IL

    Industrial Graphite Sales, LLC is a full service provider of graphite materials. Our reputation is built on strict attention to detail to achieve complete customer satisfaction. We have virtually every graphite grade and capability you could need for any project. We also offer a host of services for machined parts such as saw cutting, sanding, turning, milling, grinding, CAD, CNC and more.

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  • Bethel Park, PA

    Ameri-Source is your source for machined graphite products. Our team of dedicated & qualified engineers & sales professionals will do their best to ensure you receive quality. We offer graphite products & capabilities such as carbon graphite, graphite machining, graphite rods, graphite design & graphite tubes. Our company offers the most competitive prices in the industry. Contact us for a quote!

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  • Maywood, IL

    Becker Brothers Graphite Corporation supplies graphite materials to dozens of different industries. In addition to supplying graphite blanks, can we custom manufacture graphite products to your unique specifications. Backed by years of successful experience, Becker has the tools to get the job done right at a budget friendly cost. Contact us today for more information!

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  • Lorain, OH

    Since 1971, Semco Carbon has been a leading supplier of custom carbon and graphite machining. Our graphite products include graphite rods, graphite tubes and graphite fixtures. We serve a range of industries with quality machined graphite and handle small-run jobs machined from raw blocks.

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businessIndustry Information

Graphite Materials

There are two main classifications of graphite, natural and synthetic. Natural graphite is a semi-metal mineral, which consists primarily of carbon. Mined from metamorphic and igneous rock, it varies considerably in crystallinity. Natural graphite remains stable over a wide range of temperatures, making it an excellent conductor of heat and electricity. With a melting point of 3650°C (6602°F), it has a wide array of applications in machining. Natural graphite is further divided into three material subcategories: amorphous, flake and high crystalline. This mineral is most frequently used for refractories, batteries, steelmaking, expanded graphite, brake linings, foundry facings and lubricants. Synthetic graphite can made using coke and pitch. Synthetic graphite typically has a higher purity than naturally occurring graphite, but is not as crystalline as natural graphite. Also, synthetic graphite generally has a lower density, higher porosity, and higher electrical resistance. Because of its porosity level, this type of graphite should not be used for refractory applications.

Graphite can be used for refractory materials, as mentioned, but it also has many applications in the electrical, chemical, nuclear and mechanical industries. In the refractory world, graphite is used to build kiln and blast furnace bricks. It is also used to produce crucibles, ladles and moulds for holding molten metals. Graphite flake is one of the most commonly used materials in the manufacturing of refractories made for the continuous casting of steel. In the electrical world, graphite’s main use is in making carbon brushes and electric motors. Graphite also works well in the chemical industry because of its extremely high melting point. It is used in such high-temperature processes as the production of phosphorus and calcium carbide in arc furnaces. It is also used to conduct electricity in some aqueous electrolytic processes like the production of halogens like chlorine and fluorine. High purity electrographite is well-suited to the nuclear industry because of its low absorption of neutrons, high thermal conductivity and ability to maintain strength at high temperatures. It is used in large amounts in the production of moderator rods and reflector components in nuclear reactors. Graphite is largely used in the world of mechanics and engineering. Applications include piston rings, thrust bearings, journal bearings and vanes. Additionally, graphite-derived carbon based seals are used widely in the shafts and fuel pumps of aircraft jet engines.

Some types of graphite are better suited to certain applications than others, though they often overlap to some degree or another. For example, amorphous graphite is well-suited to metallurgy, pencil production, refractories, coatings, lubricants and paint production. Flake graphite, while also used for refractories, is predominantly used for secondary steel production. It is sometimes also used in lubricants, powder metallurgy, pencils and coatings. Crystalline graphite is mostly used in batteries and grinding wheels, though it can also be used in lubricants and powder metallurgy. All forms of natural graphite are used in the production of graphite foil. Synthetic graphite is also used in batteries, but unlike natural graphite, is further used in aerospace applications, carbon brushes, graphite electrodes and moderator rods in nuclear power plants.

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