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See Chinese contents: GB/T 31932-2015 GB/T 31932-2015: Method for electromagnetic automatic ultrasonic testing for thicker steel plates
This Standard specifies the terms and definitions, general requirements, comparative samples, testing equipment, testing method, testing record and defect evaluation, steel plate grade, and inspection report, etc., of electromagnetic automatic ultrasonic testing for thicker steel plates. This Standard applies to the electromagnetic automatic ultrasonic testing for 6mm thickness below boiler, pressure vessels, bridges, construction, shipbuilding, pipelines, steel mold and other steel plates. The steel plate of other specifications can make reference to this Standard.
