Instructions for ultrasonic examination of butt, corner and tee weld joints of chemical apparatus made of steels of austenitic and austenitic-ferritic classes with a wall thickness from 4 to 30 mm
NORMA vydaná dňa 1.8.2009
Designation standards: STO 00220256-014-2008
Publication date standards: 1.8.2009
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: Russian technical standard