General Technical Specifications
Steel 1.5919 (also known as 15CrNi6 or 12ХН2А) is an alloy structural steel with a high chromium and nickel content. This steel possesses excellent mechanical properties due to its alloying elements, providing high strength, hardness, and good wear resistance. The heat treatment process, including quenching and tempering, significantly enhances the characteristics of steel 1.5919, making it ideal for use under heavy loads and wear. Alloy steel 1.5919 is characterized by good machinability and the ability to be case-hardened, which increases its surface hardness and durability.
Applications
Steel 1.5919 (15CrNi6, 12ХН2А) is widely used in various industries, including mechanical engineering, automotive manufacturing, and energy production. Thanks to its unique properties, this steel is particularly in demand for manufacturing components that are subjected to high loads and must have a long service life. The main application areas include:
- Gears: Alloy steel 1.5919 is ideal for producing gears that must withstand high loads and maintain precision over time.
- Shafts and Axles: Due to its high strength and wear resistance, 15CrNi6 steel is used to manufacture shafts and axles, which are essential in mechanical and automotive engineering.
- Energy Industry Components: In the energy sector, 12ХН2А steel is used for manufacturing parts that operate under high temperatures and significant mechanical stresses.
- Automotive Industry: Steel 1.5919 is often used to produce complex mechanical components in vehicles, such as transmissions and axles.
Features
- High Mechanical Properties: Steel 1.5919 is known for its excellent mechanical properties, such as high strength and hardness, making it ideal for use under heavy loads.
- Quenching and Tempering: Heat treatment processes like quenching and tempering significantly improve the strength characteristics of 15CrNi6 steel, making it more resistant to wear and mechanical damage.
- Wear Resistance: Thanks to its high hardness, 12ХН2А steel demonstrates excellent wear resistance, making it a durable choice for parts subjected to friction.
- Good Machinability: Alloy steel is easily machinable, simplifying its use in the production of complex components.
- Versatility: Steel 1.5919 is suitable for use in various industries, from mechanical engineering to energy production, due to its unique properties.
Conclusion
If you want to buy steel 1.5919 (15CrNi6, 12ХН2А), our online store offers a wide range of products at competitive prices. We offer high-quality rolled metal that meets international standards and is suitable for solving various production tasks. Find out the current price of steel and place your order now to experience the benefits of alloy structural steel for your business!
Chemical composition of steel 1.5919
| C % | Si % | Mn % | P % | S % | Al % | Cr % | Cu % | N % | Ni % |
| 0,12 – 0,18 | max 0,25 | 0,40 – 0,70 | max 0,020 | max 0,015 | 0,0250 – 0,0500 | 1,35 – 1,65 | max 0,20 | max 0,012 | 1,35 – 1,65 |
Forms made of steel 1.5919/15CrNi6/12ХН2А
Steel round bar | |
| Steel grade | Diameters (mm) |
| 1.5919 / 15CrNi6 / 12ХН2А | 15 – 105 |




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