EN ISO 10893-11:2011/A1:2020 钢管无损检测.第11部分:纵向和/或横向缺陷检测用焊接钢管焊缝的自动超声波探伤法 包含修改件A1,2020
Non-destructive testing of steel tubes - Part 11: Automated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse imperfections - Amendment 1: Change of ultrasonic test frequency; change of acceptanc