ASTM A790 for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

ASTM A790 / A790M - 16 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe.

The specification covers seamless and straight-seam welded ferritic/austenitic steel pipe for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. The pipe shall be made by the seamless or an automatic welding process, with no addition of filler metal in the welding operation. Heat analysis shall be made to determine the percentages of the elements specified. Tension tests, hardening tests, flattening tests, hydrostatic tests and nondestructive electric tests shall be made to conform to the specified requirements.