Alloy Geek F225 Stainless Steel Standard

Your Analysis Type: X-Ray Fluorescence (XRF)
Pedigree: Certified Reference Material (includes certified chemical analysis)
Sale price$249.95


Alloy Geek F225 Super Duplex Stainless Steel Standard

F225 or Ferrallium 225 is a proprietary high-strength, corrosion-resistant alloy developed by Langley Alloys, a company specializing in the supply of high-performance metals. Ferrallium 225 is known for its exceptional corrosion resistance, mechanical properties, and suitability for demanding environments, particularly in marine and offshore industries.

The composition of F225 typically includes:

  • Chromium (about 24.5-26.5%)
  • Nickel (about 5.5-6.5%)
  • Molybdenum (about 3.1-3.8%)
  • Copper (about 1.5-2.0%)
  • Carbon (about 0.025% max)
  • Manganese (about 0.8-1.2% max)
  • Nitrogen (about 0.20-0.25%)
  • Silicon (about 0.7% max)
  • Phosphorus (about 0.025% max)
  • Sulfur (about 0.005% max)
  • Iron (balance)

Key features and characteristics of Ferrallium 225:

  1. Corrosion Resistance: Ferrallium 225 is designed to offer excellent resistance to corrosion, especially in aggressive environments containing chlorides. This makes it particularly well-suited for marine and offshore applications.

  2. High-Strength: The alloy exhibits high mechanical strength, making it suitable for applications where both corrosion resistance and structural integrity are crucial.

  3. Duplex Microstructure: Ferrallium 225 is likely a duplex stainless steel, meaning it has a microstructure consisting of both austenite and ferrite phases. This combination provides a balance of corrosion resistance and strength.

  4. Applications: The alloy is often used in marine equipment, subsea components, offshore structures, and other environments where exposure to corrosive seawater and demanding conditions is common.

  5. Weldability: Like other duplex stainless steels, Ferrallium 225 is generally weldable, although specific welding procedures may be recommended to maintain its corrosion resistance and mechanical properties.

It's important to note that proprietary alloys like Ferrallium 225 have unique properties that are specific to the manufacturer's intended applications. If you are considering using Ferrallium 225 for a particular project or application, it's advisable to consult directly with Langley Alloys or their authorized distributors to obtain detailed technical information and guidance based on your specific requirements.

Reference Material (RM): A reference material, or RM, is a material with a known composition or property that is used to calibrate or validate analytical instruments, methods, or procedures. It serves as a point of comparison to ensure the accuracy and reliability of measurements. Reference materials can vary in terms of their level of characterization and traceability. Some reference materials may have well-defined properties, but they might not have undergone the rigorous testing and certification process that certified reference materials (CRMs) undergo.

Certified Reference Material (CRM): A certified reference material, or CRM, is a type of reference material that has been thoroughly analyzed and characterized using multiple validated methods to determine its composition or properties. The results of these analyses are then used to establish certified values, along with associated uncertainties. CRMs are produced and certified by accredited organizations or laboratories following internationally recognized standards, such as ISO Guide 34 and ISO/IEC 17025. The certification process includes interlaboratory comparison and statistical analysis to ensure accuracy and traceability.

In summary, the main difference between a reference material and a certified reference material lies in the level of characterization, validation, and certification. CRMs have undergone a more comprehensive and rigorous testing process, resulting in certified values and uncertainties that can be confidently used for instrument calibration, quality control, and research. Reference materials, on the other hand, can provide a point of comparison but might not have the same level of certification and traceability as CRMs. When accuracy and traceability are critical, certified reference materials are preferred.

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