ISO 10893-9:2011/Amd 1:2020
鋼管無損檢測 第9部分:用于檢測用于制造焊接鋼管的帶材/板材層狀缺陷的自動超聲波檢測 修訂 1:Ch
Non-destructive testing of steel tubes — Part 9: Automated ultrasonic testing for the detection of laminar imperfections in strip/plate used for the manufacture of welded steel tubes — Amendment 1: Ch