Standard Number: YB/T 4811-2020(YB/T4811-2020)
Chinese:热轧H型钢超声检测方法
English:Ultrasonic inspection method for hot rolled H-beam
Effective Date:2021-04-01
Standard Applicability:This standard specifies the general requirements for ultrasonic testing of hot rolled H-beam, testing instruments and equipment, contrasting test blocks, sensitivity setting, sweeping, determination and evaluation of defects, H-beam quality grading, test report. This standard applies to the thickness of not less than 6mm hot rolled H-beam ultrasonic longitudinal wave detection.
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