Standards

ASTM- Standards
A 249 / SA 249 Welded austenitic steel boiler, Super Heater,Heat Exchanger and
Condenser Tubes
A 268 / SA 268 Welded ferritic and martensiticstainless steel tubing for
general service
A 269 / SA 269 Welded austenitic stainlesssteel tubing for general service
A 312 / SA 312 Welded austenitic stainlesssteel pipes
A 358 / SA 358 Welded pipe for High temperature service
A 688 / SA 688 For Welded feed water heater ‘U’Tubes