NEXAGE™347AlPha

<Features>
(a) Excellent polythionic acid SCC resistance and stress relaxation cracking
     with no PWHT(post-weld heat treatment)
(b) Superior high-temperature strength to type347H
(c) Equivalent weldability Type304 and superior one to Type347

<Equivalent steel grade, chemical compositions>

  • ASTM S34752, ASME Code Case 2984
  • 18Cr-11Ni-3Cu-Mo-Nb-B-N


347Alpha properties

347Alpha properties 2