Stainless steel, duplex, UNS S32550, annealed UNS S32550 Duplex Stainless Steel Designation Wrought S-Steel: UNS S32550, annealed UNS number S32550 US name ASTM A182 Grade F61 EN name X2 CrNiMoCuN 25-6-3 EN number 1.4507 UNS S32550 Duplex Stainless Steel Composition detail C (carbon) 0 – 0.04 % Cr (chromium) 24 – 27 % Cu (copper) … Continue reading UNS S32550 Duplex Stainless Steel Material Data Sheet