Alloy Geek 430 Stainless Steel Standard

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


Alloy Geek 430 Ferritic Stainless Steel Standard

Alloy 430, also known as UNS S43000, is a widely used ferritic stainless steel. It is part of the 400 series stainless steels and is characterized by its relatively low cost, good formability, and moderate corrosion resistance. While not as corrosion-resistant as austenitic stainless steels, alloy 430 is suitable for various applications where its specific properties are advantageous.

The composition of Alloy 430 typically includes:

  • Chromium (about 16-18%)
  • Carbon (about 0.12% max)
  • Silicon (about 1% max)
  • Manganese (about 1% max)
  • Phosphorus (about 0.04% max)
  • Sulfur (about 0.03% max)
  • Iron (balance)

Key features and characteristics of Alloy 430:

  1. Corrosion Resistance: Alloy 430 offers good corrosion resistance in mildly corrosive environments. However, it is not as corrosion-resistant as austenitic stainless steels.

  2. Formability: The alloy has good formability, making it suitable for a variety of shaping and forming processes.

  3. Heat Resistance: Alloy 430 can withstand moderately high temperatures, but it may experience some scaling and reduced corrosion resistance at elevated temperatures.

  4. Applications: Alloy 430 is commonly used in applications where corrosion resistance and cost-effectiveness are both important. This includes household appliances (such as kitchen appliances and utensils), automotive trim, architectural trim, and some industrial applications.

  5. Magnetism: Alloy 430 is magnetic due to its ferritic structure.

  6. Weldability: Alloy 430 is weldable using common welding methods, although its formability can be affected by excessive welding heat.

  7. Forms: Alloy 430 is available in various forms, including sheets, plates, bars, and coils.

Due to its combination of formability, corrosion resistance in mild environments, and relatively low cost, Alloy 430 is often chosen for applications where these properties are valued. However, it's important to consider the specific requirements of your project and the expected environmental conditions to determine if Alloy 430 is the right choice for your application.

Reference Material (RM): A reference material, or RM, is a material with a known composition or property that is used for informational purposes to look at 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. Reference Material chemical compositions are for information purposes.

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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