DP3W

DP3W  (Super duplex stainless steel pipes and tubes)

<Features>
(a)Excellent resistance to localized corrosion
(b)High resistance to general corrosion(especially in a sour environment)
(c)Good weldability
(d)Low sensitivity to sigma phase precipitation

<Equivalent steel grade, chemical composotions>

• ASTM S39274, ASME Code Case 2427, NORSOK M-630/M-650
• 25Cr-7Ni-3.2Mo-2W-N