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Nitronic 40

Nitronic 40

Nitronic 40 is a high-manganese stainless steel with outstanding corrosion resistance, durability, and fabricability. Its high strength and temperature resistance make it ideal for chemical processing and aircraft engines. Nitronic 40 welds easily and offers excellent performance in even the harshest environments.

Equivalent grades

• Nitronic 40
• UNS S21900
• XM-10
• UNS S21904
• XM-11
• 21-6-9

Chemical Composition Reference


Physical Property Reference

• Density: 7.83 g/cm³

• Tensile strength: 772 MPa

• Yield strength: 469 MPa

• Elogation: 44%

Stock & Dimensions

Our warehouse has a large number of stock to provide you with a variety of products in different sizes, and can also customize the size according to your needs.
• Bar: 0.5~600mm Diameter
• Coil: 0.5~150mm Thick
• Plate: 0.5~200mm Thick
• Pipe: 6~630mm External Diameter; 0.5~40mm Wall Tick
• Available in specific sizes

Product Forms

We provide you with a variety of product forms, including but not limited to:
• Bar/Rod
• Pipe/Tube
• Coil/Strip
• Plate/Sheet/Circle
• Wire
• Fitting (Flange, Elbow, Tee...)
• Customize

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Nitronic 40

Essential details
Nitronic 40 is a high-performance alloy that offers exceptional strength and toughness over a wide range of temperatures. It retains its elevated temperature properties, possesses good oxidation resistance, and has excellent stress corrosion cracking resistance at ambient temperatures. Additionally, it remains non-magnetic even after extensive cold work.


- Ducting and bellows - Aircraft engine component - Cryogenic service - Chemical processing

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