NEXAGE™317AP

<Features>
(a) Excellent polythionic acid and naphthenic acid corrosion resistance
      without PWHT and thermal stabilization
(b) Better phase stability at high temperature as compared with type317L
(c) Equivalent mechanical property to type317L
(e) High Mo bearing Ni-based welding consumable such as 617 or 625 filler are available

<Equivalent steel grade, chemical compositions>

  • ASTM S31740, ASME Code Case 3038
  • 17Cr-14Ni-3Mo-0.3Nb-N

317AP properties 1

317AP Properties 2