ISO 10893-11 Automated ultrasonic kuaj ntawm longitudinal thiab/los yog transverse imperfections nyob rau hauv welded steel raj seams
ASTM E164 Standard Practice for Contact Ultrasonic Inspection of Welds
ASTM E213 Ultrasonic Test ntawm Hlau Tubular Khoom
ASTM E273 Standard Practice for Ultrasonic Contact Examination of Welds
ASTM E587 Standard Practice rau Ultrasonic Angle-Beam Examination
SY/T 6423.4 Cov Kev Ntsuas Kev Ntsuas Tsis Zoo rau Cov Hlau Hlau Yeeb Nkab Hauv Kev Lag Luam Petroleum thiab Natural Gas Industries - Ultrasonic Test rau Laminar Defects Ze Welded Steel Yeeb Nkab Seams
SY/T 6423.2 Automated Ultrasonic Testing Longitudinal thiab/lossis Transverse Imperfections hauv Welded Steel Yeeb Nkab Seams
NB/T 47013.3 Kev Ntsuam Xyuas Tsis Zoo ntawm Cov Khoom Siv Siab - Kev Ntsuas Ultrasonic
