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Super Duplex Steel

Super Duplex stainless, is a mixed microstructure of austenite and ferrite (50/50) which has improved strength over ferritic and austenitic steel grades. The main difference is that Super Duplex has a higher molybdenum and chromium content which gives the material greater corrosion resistance than standard duplex grades.The balanced duel phase microstructure combines high strength with cost effective corrosion resistance particularly in high chloride environments.


Super Duplex Steel Pipes & Tubes
Super Duplex Steel Pipe & Tubes
Super Duplex Steel Flanges
Super Duplex Steel Flanges
Super Duplex Steel Forged Fittings
Super Duplex Steel Forged Fittings
Super Duplex Steel Pipe Fittings
Super Duplex Steel Pipe Fittings

Super Duplex has the same benefits as its counterpart – it has lower alloying costs when compared with similar ferritic and austenitic grades with equipment corrosion resistance in chloride containing environments due to the material’s increased tensile and yield strength. In many cases this gives the purchaser the welcomed option of purchasing smaller thicknesses without the need to compromise on quality and performance.

Available forms are Super Duplex Steel Pipes & Tubes, Super Duplex Steel Round Bars, Super Duplex Steel Fasteners, Super Duplex Steel Sheets & Plates, Super Duplex Steel Forged Fittings, Super Duplex Steel Valves, Super Duplex Steel pipe fittings, Super Duplex Steel flanges.

Super Duplex Steel Pipes & Tubes Specification
Standard : ASTM A790, A789 / ASME SA790, SA A789
Size : 1/2" TO 48" NB
Grade : UNS NO. S32750 / S32760 / S32950
Super Duplex Steel Flanges Specification
Standard : ASTM A182 / ASME SA182
Size : 1/8" NB TO 24" NB
Class : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Grade : UNS NO. S32750 / S32760 / S32950
Super Duplex Steel Forged Fittings Specification
Standard : ASTM A182 / ASME SA182
Size : 1/2"NB TO 4"NB IN(Socketweld & Screwed-Threaded)
Grade : UNS NO. S32750 / S32760 / S32950
Super Duplex Steel Pipe Fittings Specification
Standard : ASTM / ASME A815 / SA815
Size : 1/2" to 24" NB to 24″NB in Sch 10S, 40S, 80S, 160s, XXS
Grade : UNS NO. S32750 / S32760 / S32950
Super Duplex Steel Sheets and Plates Specification
Standard : ASTM A240 / ASME SA240
Size : 5 mm To 100 mm thick in 1000 mm TO 2500 mm width & 2500 mm to 12500 mm
Form : Coils, foils, shim sheet, perforated sheet, strip, flats, blank (circle), ring (flange), etc.
Grade : UNS NO. S32750 / S32760 / S32950
Super Duplex Steel Bars and Rods Specification
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Range :1 0 mm To 100 mm Dia in 100 mm TO 6000 mm Length.
Form : Round Square Hex (A/F) Bush Rectangle Flat
Grade : UNS NO. S32750 / S32760 / S32950
Super Duplex Steel Fasteners Specification
Standard : ASTM A193 / ASTM A194
Size : M10 to M100
Length : UPTO 5 meters
Grade : UNS NO. S32750 / S32760 / S32950