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Duplex Alloy Tube Specification – ASTM A790

Overview:

The specification discusses seamless and straight-seam welded ferritic/austenitic steel pipe for general corrosive service, with special emphasis on resistance to stress corrosion cracking. The pipe must be made by a seamless or an automatic welding process. This specification does not allow filler metal in the welding process. Heat analysis will  determine the percentages of the elements specified. The product must undergo tension tests, hardening tests, flattening tests, hydrostatic tests and nondestructive electric tests.

  • ┬áNote this data is for overview only. For full specification and current revisions, please contact ASTM.

 

 

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