NEXAGE 317AP

NEXAGE^™317AP  (Austenitic stainless steel pipes and tubes against Polythionic acid SCC and Naphthenic acid  corrosion)

<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 composotions>

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