- EN / Grade
- Alloy 925
- Other designations / UNS
- Incoloy 925 / N09925
- Family
- Age-hardenable nickel
Combined requirements for shafts and valves
A component may require load capacity, fatigue performance and dimensional precision alongside resistance to its process fluid. Define these requirements separately when selecting Alloy 925. Membership of the nickel family or a similar name to 825 does not establish identical chemistry, heat-treatment response or corrosion performance in every environment.
Who performs the final ageing treatment?
Solution-treated starting stock and aged delivery serve different manufacturing plans. Machining stresses can influence distortion in precision parts. Establish whether final heat treatment belongs to the supplier or fabricator, which condition must be tested and how dimensions will be accepted. The grade name alone does not guarantee finished-component properties.
H₂S and documentation requirements
Sour-service selection requires H₂S exposure, temperature, fluid composition and material condition to be reviewed together. A general NACE or ISO reference does not establish suitability for every well. Provide UNS N09925, form, dimensions, target mechanical condition and the project specification. Acceptance must match the product; an unverified material number should not be added as an equivalent.
Typical application areas
Downhole and surface equipment, valve parts, hangers and high-strength pump shafts.
Product and cutting options
Share the section and dimensions you require for this grade. Availability is assessed for each request; the catalogue does not represent live stock.
What to specify in your enquiry
- Grade designation and applicable material standard
- Section, finished dimensions and machining allowance
- Quantity, delivery condition and certificate requirements
Frequently asked questions
Can I request Alloy 925 in cut lengths?+
Share your required section, dimensions and quantity. Our team will assess suitable supply and cutting options for the specific grade.
Are the listed grade designations interchangeable?+
Designation systems can overlap, but they do not make every specification identical. Use the exact standard and certificate requirements defined by your project.