S32304 Duplex Stainless Steel Pipe and Tube

HOME > Product > Duplex Steel
A790 UNS S32304 Welded Pipe

S32304 Pipe And Tube

  • Grade:S32304, 1.4362, X2CrNiN23-4
  • OD: 6mm-630mm, 1/4"-24"
  • WT: 0.7mm-30mm, Sch 10S-Sch XXS
  • Length: Fixed or random length as specified
  • Specifications: ASTM A789, ASTM A790, EN10216-5
  • Delivery Condition: Annealed and Pickled, Birght Annealed, Mechanical Polished, Electric Polished
  • Mill Certificate: EN 10204 3.1, EN10204 3.2
  • Marking: Continuosly stenciled as specified.
  • Packing: In bundle or plywood cases with end caps
  • Manufacturing: Seamless, Welded


S32304(2304) is a 22.5% Cr, 3% Nickel, Mo free duplex stainless steel. The alloy 2304 has a corrosion resistance similar to 316L. Furthermore, its mechanical properties i.e. yield strength, are twice those of 304/316 austenitic grades. This allows the designer to save weight, particularly for properly designed pressure vessel applications. The alloy is particularly suitable for applications covering the - 50°C/+300°C (- 58°F/572°F) temperature range. Lower temperatures may also be considered, but are subject to restrictions, particularly for welded structures. With its duplex microstructure, low nickel and high chromium contents, the alloy has improved stress corrosion resistance properties compared to 304 and 316. An enhanced version with a PREN ≥ 28 is also available on request.

Chemical Composition:

% C Mn P S Si Cr Ni Mo Cu N Fe
Min - - - - - 21.5 3 0.05 0.05 0.05 balance
Max 0.03 2.5 0.04 0.04 1 24.5 5.5 0.6 0.6 0.2 balance

Mechanical Property:

20°C Tensile Strength Yield Strength Elongation % Hardness Density
Min 600Mpa 400Mpa 25% - 7.85kg/dm3
Max - - - 30HRC 7.85kg/dm3


>Generally in substitution to 304L and 316L >Pulp and Paper industry
>Caustic solutions, organic acids >Pressure vessels
>Food industry >Mining

Range of Products:

Plates / Sheets / Coil Heavy Plate
Cold Rolled Sheet
Hot Rolled Sheet
Fittings Seamless LR Elbow / Welded LR Elbow
Con Reducer / Ecc Reducer
Con Tee / Ecc Tee / Cross
Coupling / Cap
Flange Blind Plate Flanges
Lap Joint Flanges
Raised Face Blind Flanges
Raised Face Slip On Flanges
Raised Face Socket Weld Flanges
Raised Face Threaded Flanges
Raised Face Weld Neck Flanges
Slip On Plate Flanges
Blind Plate Flanges
Pipe / Tube Seamless Pipe
Welded Pipe
Seamless Tube
Welded Tube
Seamless U-Tube
Welded U-Tube
Square Tube
Hollow Bar
Bar Round Bar
Square Bar
Flat Bar
Angel Bar
Hexagon Bar

Latest Reference Orders:

1 2