KS B ISO 10893-1-2018 钢管非破坏性试验 - 第1部分:无缝和焊接（水下弧焊除外）钢管的自动电磁测试 用于验证液压密封性
Non-destructive testing of steel tubes — Part 1: Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leaktightness