HG/T 3175-2002 Fabrication and inspection method for High pressure urea equipment ultrasonic examination(UT) on the strip overlay welds of stainless steel (English Version)
This standard is applicable to the contact method ultrasonic detection and thickness measurement of the stainless steel strip automatic surfacing layer of urea high-pressure equipment using the pulse reflection method.
HG/T 3175-2002 history
2002HG/T 3175-2002 Fabrication and inspection method for High pressure urea equipment ultrasonic examination(UT) on the strip overlay welds of stainless steel