Incoloy 945 Nickel Alloy Plate
Product Introduction
Incoloy 945 is an "upgraded and enhanced version" of Incoloy 925, specifically designed for more demanding acidic oil and gas fields. When operating conditions involve higher hydrogen sulfide (H₂S) partial pressures, greater chloride ion concentrations, and higher total pressures and temperatures, pushing 925 to its limits, Alloy 945 represents the next-generation solution.
Please remember: When purchasing Incoloy 945 nickel alloy sheet, you are purchasing a "performance package"-a set of data guarantees for high strength and high corrosion resistance, ensured by the supplier's proprietary processes. Your core task is to ensure this "performance package" is authentic, reliable, and traceable through rigorous technical agreements, professional supplier audits, and strict verification processes. By grasping the three key aspects-"heat treatment status," "strength verification," and "original manufacturer documentation chain"-you will gain control over this high-value procurement.
Procurement Specifications and Industry Standards
(Before submitting a formal inquiry, you need to confirm with your engineer whether the required material is alloy 945 nickel plate and clarify the medium and operating conditions.)
Based on our purchasing experience, a professional Incoloy 945 nickel alloy plate inquiry can help you complete your initial procurement plan. An inquiry typically includes the following elements:
1. Material Standards and Grades:
General Standard: AMS 5921 (Aerospace Material Specification, but widely referenced). The unified grade for Incoloy 945 is UNS N09945.
2. Specifications and Conditions (All are essential):
Our commonly supplied specifications are: thickness: 0.3mm - 150.0mm, width: 1000mm - 3000mm. Length can be machined according to your needs.
Common Communication Template: Thickness x Width x Length (with tolerances specified, such as thickness ±5%).
3. Delivery Condition: "Solution treated + age hardened condition" must be specified.
Special Requirements (Add as needed, affecting price):
Surface Condition: We commonly supply Alloy 945 in hot-rolled pickled (HRA), solution polished, and machined (milled) finishes.
Non-destructive testing (optional): Whether 100% ultrasonic testing (UT) is required, and clearly define acceptance criteria (e.g., compliance with AMS 2631, Class A).
Marking and packaging (optional): Each sheet must have clear, permanent stamped markings (material, furnace batch number, specifications), and be packaged in rust-proof and impact-resistant material.
Processing Difficulty and Key Points
(Understanding the supplier's quotation and delivery time)
Incoloy alloy 945 is a difficult-to-machine material, requiring mastery of machining techniques. Whether purchasing raw materials, machining simple parts, or precision-machined parts, the following points should be noted by skilled machining personnel regarding secondary processing:
Highly challenging to machine: Incoloy 945 nickel alloy plate is a difficult material to machine, exhibiting a very strong tendency for work hardening and extreme tool wear. This means high machining time and tool costs, which must be carefully estimated during machining.
Heat treatment is critical: The temperature control for aging heat treatment must be extremely precise (typically around 700°C). The supplier must use a heat treatment furnace with full temperature recording (a vacuum furnace or an atmosphere-protected furnace is best).
Welding requires specialized processes: Alloy 945 requires complete post-weld heat treatment to restore its properties after welding. The supplier should be able to provide a mature welding procedure qualification report.
For more information, please contact:
Email: susan@lorkgroup.com
WhatsApp: +86 19937075488

One-stop service recommendation: If your parts require complex machining, it is strongly recommended to find a qualified supplier that can provide a full-process service of "sheet metal supply + blanking + forming/machining + final heat treatment" (Lork Group's supply chain management services can solve related problems for you). This is more reliable and economical than sourcing and outsourcing in segments yourself.
Chemical Composition
| Weight% | Incoloy 945 |
| Ni | ~45% |
| Cr | ~20.5% |
| Mo | ~3.0% |
| Fe | Bal |
| Nb | ~2.5% |
Mechanical Properties
(Based on AMS 5921 and other standards, solution-treated and aged):
| Material | Alloy 945 |
| Tensile Strength MPa | ≥1000 MPa |
| Yield Strength MPa | ≥700 MPa (These are core procurement metrics) |
| Reduction of Area % | ≥18% |
| Hardness HRC | HRC 30-38 |
Procurement Warning: The condition of the sheet materials you wish to purchase must clearly state "Solution Annealed & Aged" (solution + aging). Simply writing "Annealed" is a serious error.

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