national standard:

GB / T 12771: stainless steel pipes for fluid transportation

GB / T 24593: austenitic stainless steel welded steel tubes for boilers and heat exchangers

GB / T 19228.2-2011: stainless steel compression fittings - Part 2: thin walled stainless steel tubes for connection

GB / T 21832.1: AUSTENITIC FERRITIC duplex stainless steel welded steel tubes Part 1: tubes for heat exchangers

American Standard:

ASTM a688: austenitic stainless steel welded steel pipe for water heater

ASTM A249: Welded austenitic steel tubes for boilers, superheaters, heat exchangers and condensers

ASTM A269: Welded austenitic stainless steel pipe for general service

ASTM a554: stainless steel welded steel tubes for mechanical structures

ASTM a688: Seamless and Welded Ferritic and martensitic stainless steel tubes for general service

ASTM A789: Seamless and Welded Ferritic / austenitic stainless steel tubes for general use

ASTM A312: Seamless and welded austenitic stainless steel nominal pipe

German standard:

Din 17455: stainless steel round steel tubes for general use

Din 17457: austenitic stainless steel welded round steel tubes with special requirements

European standard:

EN 10217-7: welded steel tubes for pressure purposes - Technical delivery conditions (Part 7: stainless steel tubes)