Duplex Steel

Duplex Steel

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 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.
Available forms are Duplex Steel Pipes & Tubes, Duplex Steel Fasteners, Duplex Steel Sheet, Duplex Steel Plate, Duplex Steel pipe fittings, Duplex Steel flanges.
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Duplex Steel Pipes & Tubes

Standard : ASTM A790 / ASME SA790

Size : 1/2" TO 48" NB & OD Both (Welded Thickness : 1MM TO 40 MM )

Grade :Duplex 2205, Duplex 2507, Duplex 31803

Duplex Steel Pipe Fittings

Standard : ASTM / ASME A815 / SA815

Size : 1/2" to 24" NB to 24″NB in Sch 10S, 40S, 80S, 160s, XXS

Grade : Duplex 2205, Duplex 2507, Duplex 31803

Duplex Steel Sheets And Plates

Standard : ASTM A240 / ASME SA240

Size : 1 MM To 200 MM Thk In 1000 MM To 3000 MM Width x 2500 MM/ 5000 MM / 10000 MM Length & In Coil Form

Thickness : 0.1 mm to 12 mm Thk.

Form : Coils, foils, shim sheet, perforated sheet, strip, flats, blank (circle), ring (flange), etc.

Grade : UNS NO. S31803, S 32205, S32550, S32750, S32760

Duplex Steel Fasteners

Standard : ASTM A182 / A240, ASME SA182 / SA240

Size : M02 to M30

Grade : Duplex 2205, Duplex 2507, Duplex 31803

Duplex Steel Flanges

Standard : ASTM A182 /ASME SA182

Size : 1/2” to 48”

Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN Standard ND-6,10, 16, 25, 40 Etc.

Grade : Duplex 2205, Duplex 2507, Duplex 31803

Duplex Steel Round Bars

Range : 1 MM TO 200 MM DIA

Duplex Steel : ASTM / ASME SA 182, A276, A479 UNS NO. S 31803 , S 32205 , S 32550 , S 32750 , S 32760

Duplex Steel Angle

Size : 1 MM To 250MM Width 100MM To 6000 MM Length

Duplex Steel : 2205 (UNS No. S31803), 2507 (UNS No. S32750)

Duplex Steel Forged Fitting

Size : 1/2" TO 48" IN NB & OD (15 NB TO 600 NB)

Duplex Steel : ASTM / ASME SA 815 UNS NO.S 31803, S 32205, S 32550, S 32750, S 32760.

Duplex Steel Valves

: ASME / ASTM A995/A182/A351/A890

Standard :A PI 600/BS1414, API 598/BS EN 12266-1, ASME B 16.10, ASME B 16.5, ASME B 16.25, ASME B 16.34

Size : 1/8” to 16”

End Connection : Screwed [NPT], Socket Weld, Flanged End, Screwed Parallel, Screwed Taper

Pressure rating : 150#,300#,600#,800#,1500#