Alloy 625 Material

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Alloy 625 N06625 2.4856 material

Alloy 625 Pipe/Tube/Accessories

  • Grade:Alloy 625, 2.4856, N06625, NiCr22Mo9Nb
  • OD: 6mm-630mm, 1/4"-24"
  • WT: 0.7mm-30mm, Sch 10S-Sch XXS
  • Length: Fixed or random length as specified
  • Specifications: ASTM B443, B444, B704, B705, EN10088-1, EN10095
  • 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 625 is an austenitic nickel - base superalloy possessing excellent resistance to oxidation and corrosion over a broad range of corrosive conditions. The alloy has high strength and toughness at temperatures ranging from cryogenic temperature to 1100°C. 625 also has exceptional fatigue resistance. Its fatigue strength is exceptional. This non - magnetic alloy derives its strength from the strengthening effect of Mo and Nb on its Ni - Cr matrix. In addition to good oxidation resistance, the alloy also resists to corrosive attack by many other media; it is virtually immune to chloride - ion stress corrosion cracking. The alloy is not magnetic.

Chemical Composition:

% Ni Cr Mo Fe Ti C Si Nb+Ta Mn Al P S
Min 58 20 8 - - - - 3.15 - - - -
Max - 23 10 5 0.4 0.1 0.5 4.15 0.5 0.04 0.015 0.015

Mechanical Property:

20°C Tensile Strength Yield Strength Elongation % Hardness Density
Min 827Mpa 414Mpa 30% - 8.44kg/dm3
Max - - - - 8.44kg/dm3


> Aerospace, chemical processing, marine, off-shore, nuclear, transportation and storage >Propeller blades, exhaust ducts
>Chemical reactor vessels, evaporators, heat exchangers, transfer piping and valves >Undersea and offshore pipes
>Flue stacks (FGD), waste storage and incinerators, scrubbers, fasteners >Nuclear reactor core and control rod components in water reactors and advanced reactors.

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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