Alloy 31 Material

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Alloy 31 N08031 1.4562 material

Alloy 31 Pipe/Tube/Accessories

  • Grade:Alloy 31, 1.4562, N08031, X1NiCrMoCu 32-28-7
  • OD: 6mm-630mm, 1/4"-24"
  • WT: 0.7mm-30mm, Sch 10S-Sch XXS
  • Length: Fixed or random length as specified
  • Specifications: ASTM B622, B619, B626, B625, B581, B564, B649
  • 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


Alloy 31 is characterized by outstanding resistance to corrosion in halide media, both acidic and basic; outstanding resistance to sulfuric acid, even highly concentrated; outstanding resistance to corrosion and erosion-corrosion in phosphoric acid media; excellent resistance to both localized corrosion and general corrosion in chlorine dioxide bleach media; excellent resistance to both reducing and oxidizing media, and ease of fabrication and welding. Approval for pressure-vessel use involving wall temperatures from -196 to 550ºC (-320 to 1020ºF).

Chemical Composition:

% Ni Cr Mo Fe Ti C Si p Mn Al Cu S
Min 30 26 6 balance - - - - - - 1 -
Max 32 28 7 balance - 0.015 0.3 0.02 2 - 1.4 0.01

Mechanical Property:

20°C Tensile Strength Yield Strength Elongation % Hardness Density
Min 650Mpa 276Mpa 40% - 8kg/dm3
Max - - - - 8kg/dm3


> Ethylene furnace quench boilers >Super-heater and re-heaters in power plants
>Hydrocarbon cracking >Chemical and petrochemical processing
>Industrial furnaces >Heat-treating equipment

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
Rectangular Tube
Bar Round Bar
Square Bar
Flat Bar
Angel Bar
Hexagon Bar

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