UNS S21900/XM-10 Stainless Steel Plate, XM-10 Stainless Steel Round Bar Manufacture
Chemical Composition:
XM-10 stainless steel is classified as an austenitic stainless steel and is also known as UNS S21900 or Nitronic® 32. It is composed of the following elements:
- Chromium (Cr): 26-28%
- Nickel (Ni): 3.5-4.5%
- Manganese (Mn): 1.0-2.0%
- Silicon (Si): 0.80% max
- Nitrogen (N): 0.20-0.40%
- Carbon (C): 0.03% max
- Phosphorus (P): 0.04% max
- Sulfur (S): 0.03% max
Mechanical Properties:
XM-10 stainless steel exhibits remarkable mechanical properties, making it suitable for demanding applications. The typical mechanical properties of XM-10 stainless steel are as follows:
- Tensile Strength: 90 ksi (620 MPa)
- Yield Strength: 45 ksi (310 MPa)
- Elongation: 35%
- Hardness: HRB 95
Applications:
XM-10 stainless steel finds extensive use in various industries thanks to its unique combination of outstanding corrosion resistance, high strength, and good formability. Some prominent applications include:
- Aerospace Industry: XM-10 stainless steel is employed in aircraft structural components, such as landing gear, fasteners, and engine parts, where high strength, fatigue resistance, and corrosion resistance are crucial.
- Chemical Processing: It is well-suited for chemical processing applications due to its excellent resistance to corrosion from various chemicals and solutions, including acids, alkalis, and saltwater environments.
- Marine Environments: XM-10 stainless steel’s superior resistance to pitting and crevice corrosion makes it ideal for marine applications such as boat fittings, propeller shafts, and seawater pump components.
- Automotive Industry: It is used in automotive exhaust systems, catalytic converters, and components exposed to high-temperature gases, thanks to its elevated temperature strength and oxidation resistance.
- Petrochemical Industry: XM-10 stainless steel is favored in the petrochemical industry for its ability to withstand aggressive environments encountered in oil refining, gas processing, and chemical plants.
Processing Standards:
XM-10 stainless steel follows various processing standards to ensure uniformity, quality, and compatibility with industry requirements. Some common processing standards associated with XM-10 stainless steel include:
- ASTM A276: Standard Specification for Stainless Steel Bars and Shapes.
- ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications.
- ASTM A312: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes.
- AMS 5848: Aerospace Material Specification for Nitronic® 32 (XM-10) Stainless Steel, Hot Rolled and Cond. A.
Plate, Sheet, and Round Bar Forms:
XM-10 stainless steel is available in various forms to meet the diverse needs of different applications. The most common forms include plates, sheets, and round bars.
- Plates: XM-10 stainless steel plates are available in different thicknesses, widths, and lengths. They are suitable for structural components, pressure vessels, and industrial equipment exposed to corrosive environments.
- Sheets: XM-10 stainless steel sheets are used in applications where flat surfaces with precise dimensions are required, such as architectural cladding, kitchen appliances, and decorative elements.
- Round Bars: XM-10 stainless steel round bars offer excellent strength and corrosion resistance, making them ideal for manufacturing shafts, fasteners, valves, and other precision components.
Conclusion:
XM-10 stainless steel, also known as Nitronic 32, offers exceptional corrosion resistance, high strength, and good formability, making it a sought-after material across various industries. With its well-balanced chemical composition, notable mechanical properties, and compatibility with industry standards, XM-10 stainless steel is suitable for critical applications in aerospace, marine, automotive, petrochemical, and chemical processing sectors. Whether in the form of plates, sheets, or round bars, XM-10 stainless steel proves to be an excellent choice for projects that require durability, reliability, and superior performance.
