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Graphite Anode Companies

IQS Directory provides an extensive list of graphite anode manufacturers and suppliers. Utilize our website to review and source graphite anode manufacturers with our easy-to-use features which allow you to locate graphite anode companies that will design, engineer, and manufacture graphite anodes for your exact specifications. Our request for quote forms make it easy to connect with leading graphite anode 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 underground graphite anodes, polarized graphite anodes, or cathodic protection anodes.

  • Denver, PA 717-336-7507

    At Weaver Industries we specialize in manufacturing machined graphite parts and products. Our goal is to ensure that our customers get the right tools for their applications. We are leaders in the industry for our graphite machining processes which include recycling and reclaiming machined electrodes. Custom molded urethane and high quality carbon graphite are only a few of our other capabilities.

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  • Willoughby, OH 800-448-8887

    Innovating and manufacturing the highest quality graphite products since 1979, Ohio Carbon Blank guarantees customer satisfaction. Our machined graphite blanks come in various sizes and square, rectangular and round shapes—available from .001” up to full block sizes. No matter what the size and style, all of our products adhere to ISO 9001:2008 quality standards. For a complete list of available graphite materials and our other capabilities, contact Ohio Carbon Blank today!

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  • St. Marys, PA 814-781-7333

    St. Marys Carbon Company is an integrated manufacturer of carbon materials. These materials are used in the manufacturing of automotive and industrial brushes, electrical contacts, current collector shoes, and a wide range of mechanical products. In addition, we can supply stock material if you desire to perform the final machining work.

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  • Lorain, OH 800-420-5740

    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 Anodes

Graphite anodes are used because they are reliable and relatively cost-effective. In the process of cathodic protection, current density or rate of transfer isn’t a necessary factor of the process. It is important that the current keep flowing, but it does not need to achieve a certain rate or level. Therefore, even though graphite is a resistive material, it is highly ideal in these situations. The anodes are usually constructed from a combination of petroleum coke and coal tar pitch and are relatively easy to machine as finish or appearance is also not a determining factor in effectiveness. Used conjunctively with carbon graphite or other anode backfill, graphite anodes provide a long lasting solution and are one of the most commonly recycled graphite products as they contain few additives.

Custom specifications are often used to produce graphite anodes as they are typically application specific. Common approximate sizes are between 60 and 150mm in diameter and from 1200 to 1500mm long. The extruded graphite rods are baked in an oven and sintered to improve the density of graphite. They are typically extruded around a thin brass pin which is then connected to a cable in order to form the electrochemical cell necessary for the process of cathodic protection. Over time however, despite its durability and corrosion resistance, graphite will begin to break down, especially when used in the purpose of cathodic protection. However, some graphite anodes are treated with a non-porous quality non-conducting material such as oils, microcrystalline waxes or resins. The treatment of graphite anodes will ensure a higher level of performance, especially in wetter environments when exposure to moisture is prolonged or constant. The wax, resin or oil seals the porosity of the anode and protects it against water absorption as well as improving the stability and wear rate by reducing the electrochemical reactions within the anode. Applications such as dock-side uses and water tanks, as well as deep underground installations are recommended to pre-treat the anodes to ensure optimal performance.

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Graphite Anodes Informational Video