International Standard ISO
American National Standard ANSI
American Petroleum Institute Standard API
American Society for Testing thiab Materials Standard ASTM
American Iron thiab Steel Institute Standard AISI
American Valve thiab Fitting Manufacturers Standards Society Standard MSS
American Waterworks Association Standard AWWA
American Welding Society Standard AWS
American Society of Mechanical Engineers Standards ASME
National Society of Corrosion Engineers (NACE)
European Community Standard EN
German lub teb chaws tus qauv DIN
British National Standards BS
Fabkis National Standard NF
Japanese teb chaws tus qauv JIS
Nyiv Petroleum Institute Standard JPI
