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Incoloy 925

Incoloy 925

INCOLOY® alloy 925 (UNS N09925) combines agehardenability with a mix of nickel, iron, chromium, molybdenum, copper, titanium and aluminum to create a compound boasting high strength and corrosion resistance.

Equivalent grades

• Incoloy alloy 925
• UNS N09925
• JIS NCF 925

Chemical Composition Reference


Physical Property Reference

• Density: 8.08g/cm³

• Tensile Strength: 1210 MPa

• Yield Strength: 810 MPa

• Elongation at break: 24%

• Poisson's ratio: 0.281

Stock & Dimensions

Our warehouse has a large number of stock to provide you with a variety of products in different sizes, and can also customize the size according to your needs.
• Bar: 0.5~600mm Diameter
• Coil: 0.5~150mm Thick
• Plate: 0.5~200mm Thick
• Pipe: 6~630mm External Diameter; 0.5~40mm Wall Tick
• Available in specific sizes

Product Forms

We provide you with a variety of product forms, including but not limited to:
• Bar/Rod
• Pipe/Tube
• Coil/Strip
• Plate/Sheet/Circle
• Wire
• Fitting (Flange, Elbow, Tee...)
• Customize

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Incoloy 925

Essential details
Sufficient nickel content in Incoloy Alloy 925 provides protection against chloride-ion stress-corrosion cracking whilst in conjunction with the added molybdenum and copper resistance to reducing chemicals is enjoyed. Molybdenum additionally aids resistance to pitting and crevice corrosion whilst Chromium offers resistance to oxidizing environments. During heat treatment a strengthening reaction is caused by the addition of titanium and aluminium.


INCOLOY alloy 925 is used in various applications requiring a combination of high strength and corrosion resistance. Because of the alloy’s resistance to sulfide stress cracking and stress-corrosion cracking in “sour” (H2S containing) crude oil and natural gas, it is used for down-hole and surface gaswell components including tubular products, valves, hangers, landing nipples, tool joints and packers. The alloy is also useful for fasteners, marine and pump shafting and high-strength piping systems.

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