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