X2CrNiMnMoNNb21-16-5-3 / 1.3964 Stainless Steel

Steel Circle Delivery Form 1.3964

Steel circle 1.3964

Steel circle 1.3964 is a high-alloy, corrosion-resistant, and non-magnetic steel with high strength, wear resistance, and corrosion resistance. Due to its unique properties, this material is widely used in aerospace, chemical, marine, and medical industries.

General Technical Characteristics

Key properties of 1.3964 steel:

• High corrosion resistance in acidic and marine environments.
• Non-magnetic properties – suitable for specialized electromagnetic applications.
• Operating temperature range: from -196°C to +300°C.
• High strength and ductility, even at low temperatures.

Applications of Steel 1.3964

Due to its exceptional characteristics, 1.3964 steel is used in the production of:

• Cryogenic storage tanks – for liquid oxygen, hydrogen, and other gases.
• Marine and chemical industry structures – thanks to corrosion resistance.
• Aerospace and aviation components, working in aggressive environments.
• Medical instruments, requiring biocompatibility and corrosion resistance.
• Electrical and electronic components, where non-magnetic properties are essential.

Key Features of Steel 1.3964

✅ High corrosion resistance – resistant to acids, alkalis, and seawater.
✅ Non-magnetic properties – ideal for precision instruments and electronics.
✅ Excellent strength at low temperatures – superior impact toughness at -196°C.
✅ Good weldability and machinability – easy to process and heat-treat.

Chemical Composition of Steel 1.3964

The special composition provides outstanding mechanical and physical properties:

• Carbon (C): ≤ 0.05%
• Nickel (Ni): 18.0-21.0%
• Manganese (Mn): 5.0-10.0%
• Chromium (Cr): 16.0-19.0%
• Molybdenum (Mo): 1.5-3.0%
• Silicon (Si): ≤ 0.50%
• Nitrogen (N): 0.20-0.50%

Mechanical Properties of Steel 1.3964

• Yield strength: 400-700 MPa
• Tensile strength: 800-1000 MPa
• Elongation: ≥ 40%
• Elastic modulus: 190 GPa
• Impact toughness: ≥ 100 J/cm² at -196°C

Advantages of Steel circle 1.3964

✔ Resistant to extreme conditions – suitable for use in both very low and high temperatures.
✔ Non-magnetic – ideal for electrical and medical applications.
✔ Excellent corrosion resistance – long-lasting in acidic and marine environments.
✔ Easy machinability – suitable for welding and mechanical processing.

This steel is an optimal choice for applications requiring a combination of strength, corrosion resistance, and non-magnetic properties.