Alloy Geek R77 Standard

Your Analysis Type: X-Ray Fluorescence (XRF)
Pedigree: Certified Reference Material (includes certified chemical analysis)
Sale price$250.00


Alloy Geek R77 Standard

For professionals committed to precision, reliability, and excellence in materials research and engineering, the R77 Reference Material is an invaluable resource. Expertly crafted to meet the rigorous demands of researchers, engineers, and quality control experts, this reference material provides comprehensive insights into the composition and properties of R77—an exceptional member of the alloy family, highly esteemed for its specialized applications.

Chemical Composition (Ranges, Min-Max):

  • Nickel (Ni): 35-37%
  • Chromium (Cr): 18-20%
  • Iron (Fe): 38-40%
  • Titanium (Ti): 1.5-2%
  • Aluminum (Al): 0.3-0.5%
  • Molybdenum (Mo): 1.5-2%
  • Manganese (Mn): 1% max
  • Silicon (Si): 0.5% max
  • Carbon (C): 0.07% max
  • Boron (B): 0.005% max

Key Properties:

  • Exceptional Corrosion Resistance: R77 exhibits outstanding resistance to corrosion, making it an essential choice for applications in aggressive chemical environments, including chemical processing and petrochemical industries.

  • High-Temperature Strength: The alloy maintains remarkable mechanical strength even at elevated temperatures, ensuring reliable performance in demanding conditions.

  • Good Weldability: R77 is readily weldable, facilitating ease of fabrication, repair, and integration into complex engineering projects.

  • Excellent Ductility: The alloy offers good ductility, allowing for various forming and shaping processes.

Other Names for R77:

  • UNS N06455
  • Alloy 55
  • Ni-Cr-Fe-Ti-Al-Mo Alloy 55

Unique Features of R77:

R77 stands out within the alloy family due to its specific composition and the unique combination of properties it offers. While other alloys may excel in certain areas, R77's distinctive corrosion resistance sets it apart. It is highly resistant to a wide range of corrosive environments, including acids, chlorides, and sulfides. This exceptional resistance makes it a top choice for chemical processing and petrochemical applications, where protection against corrosion is critical.

Moreover, R77 maintains its mechanical strength at elevated temperatures, providing reliability in high-temperature operations. Its weldability and ductility further enhance its versatility, allowing engineers to utilize it in various applications.

In conclusion, R77 Reference Material is an invaluable resource for researchers and engineers seeking to explore, research, or utilize the exceptional corrosion resistance and overall properties of this alloy. Its unique combination of characteristics positions it as a top choice for industries where protection against corrosion and high-temperature performance are paramount. R77 stands as a cornerstone material in the field of specialized alloys, offering unmatched performance and durability for cutting-edge applications and quality assurance endeavors.

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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