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Nickel Alloy Tube Specification – ASTM B674


This specification covers the standard for UNS N08923, UNS N0835, and UNS N08926 welded tube for general corrosion applications. The tubes will be manufactured by an automatic welding processk from a flat-rolled alloy.This specification does not allow the use of filler metals. After welding and before the final heat treatment, the tubes must undergo cold-working . Mechanical properties such as tensile strength, yield strength, and elongation shall be examined accordingly. Each tube will also undergo a flattening test, flange test, as well as a hydrostatic, pneumatic, eddy current, ultrasonic, leak, and electric tests.

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



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