Standard Number: YB/T 4745-2019(YB/T4745-2019)
Chinese:电火花加工用等静压石墨
English:Isostatic graphite for EDM processing
Effective Date:2020-01-01
Standard Applicability:This standard specifies the electric spark machining with isostatic graphite grade representation, technical requirements, test methods, inspection rules, packaging, marking, storage, transportation and quality certification. This standard applies to petroleum coke, asphalt coke as the main raw material, calcined, powdered, kneaded, isostatic pressure molding, roasting, impregnation, graphitization and other processes made of EDM isostatic graphite products.
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