Steel Tube Screwed Fittings

ASTM- Standards
A 213 / SA 213 Seamless ferritic and austenitic alloy steel boiler, super heater and heat Exchanger tubes
A 249 / SA 249 Welded austenitic steel boiler, Super Heater, Heat Exchanger and Condenser Tubes
A 268 / SA 268 Seamless and welded ferritic and martensitic stainless steel tubing for general service
A 269 /SA 269 Seamless and welded austenitic stainless steel tubing for general service
A 312 / SA 312 Seamless and welded austenitic stainless steel pipes
A 358 / SA 358 Welded pipe for High temperature service
A 688 / SA 688 For Welded feed water heater 'U' Tubes

GOST
GOST 9940 Seamless stainless steel tubes, hot finished
GOST 9941 Seamless stainless steel tubes, cold and hot finished

German-Standards
DIN 17456 Seamless circular austenitic stainless steel tubes for general service
DIN 17457 Welded circular austenitic stainless steel tubes subject to special requirements
DIN 17458 Seamless circular austenitic stainless steel tubes subject to special requirements
DIN 28180 Seamless steel tubes for heat exchangers
SEW 400 Stainless steels
AD 2000-W2 Materials for pressure vessels - austenitic stainless steels
DIN EN ISO 1127
Seamless stainless steel tubes (Dimensions and weights)

NF-Standards
NF A 49-117 Seamless ferritic and austenitic stainless steel tubes for general service
NF A 49-217 Seamless ferritic, austenitic, and ferritic-austenitic stainless steel tubes for heat exchangers

BS-Standards BS 3059 Steel boiler and super heater tubes
BS 3605 Austenitic stainless steel pipes and tubes for pressure purposes
BS 3606 Steel tubes for heat exchangers

JIS-Standards
JIS G 3459 Stainless steel pipes
JIS G 3463 Stainless steel boiler and heat exchanger tubes