Alloy 925, UNS N09925, Nickel Alloy Steel Pipe/Tube, Flanges, Fittings

Chemical composition

%NiFeCrCMnSiPSMoCuTiAlNb
min42.022.019.5     2.51.51.90.10 
max46.0 22.50.0301.000.500.0300.0303.53.02.40.500.50


Physical properties

Density8.08 g/cm3
Melting range1311-1366℃


Features:Alloy 925 is a precipitation-hardenable nickel-iron-chromium alloy. It combines high strength with Alloy 825's excellent corrosion resistance. Alloy 925 is particularly resistant to sulfide-induced stress cracking and stress-corrosion cracking.

Applications: Down-hole and surface well components for sour (containing hydrogen sulfide) crude oil and natural gas production.

Note: Incoloy is a registered trademark of the Special Metals Corporation group of companies.


We have products:

ASTM B983 Alloy 925 / UNS N09925 Nickel Alloy Seamless Tube; ASTM B677 / B829 Alloy 926 / UNS N08926 Nickel Alloy Seamless Tube; ASTM B677 / B829 Alloy 926 / UNS N08926 Nickel Alloy Seamless Pipe; Alloy 556 / UNS R30556 Nickel Alloy Seamless Pipe For Boiler; ASME SB366 Alloy 926 / UNS N08926 Nickel Alloy Cross Fitting For Connection;
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