Welding of FERRALIUM alloy SD40 super duplex stainless steel

Robert D. Doggett (Langley Alloys Ltd, Alloys House, Cordwallis Park, Maidenhead, UK.)

Anti-Corrosion Methods and Materials

ISSN: 0003-5599

Publication date: 1 April 1996


Discusses some aspects of welding of FERRALIUM alloy SD40 and considers differences from the penultimate alloy refinement FERRALIUM alloy 255–3SF. Gives details relating to the metallurgy of FERRALIUM SD 40, noting that it has approximately equal amounts of ferrite and austenite. Reports on methods of achieving the optimum composition after hot working. Also notes methods of accomplishing welding of FERRALIUM alloy and parameters that must be adhered to.


Doggett, R. (1996), "Welding of FERRALIUM alloy SD40 super duplex stainless steel", Anti-Corrosion Methods and Materials, Vol. 43 No. 4, pp. 4-7. https://doi.org/10.1108/eb007394

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Copyright © 1996, MCB UP Limited

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