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See Chinese contents: YB/T 4089-2015 YB/T 4089-2015: High power graphite electrode
This standard specifies the shape, dimensions and tolerances, technical requirements, test methods, inspection rules, packaging, marking, storage, transportation and quality certificates of high-power graphite electrodes. This standard is applicable to high power graphite electrodes made of calcined coke and coal tar pitch as main raw materials, formed by molding, burning, impregnation, graphitization and mechanical processing, and used as the conductive materials for electric furnace.
