X2CrNiMoN22-15 / 1.3974 Stainless Steel

Steel circle delivery form 1.3974 / AISI F49

Steel circle 1.3974 / AISI F49

General Characteristics

Steel 1.3974 (AISI F49) is a high-alloy steel with high strength, corrosion resistance, and excellent mechanical properties. It is widely used in the production of components for high-temperature and high-load applications.

Chemical Composition (%)

The main elements in the composition of 1.3974 steel:

• Carbon (C): 0.10 – 0.20
• Chromium (Cr): 12.00 – 14.00
• Nickel (Ni): 8.00 – 10.00
• Molybdenum (Mo): 1.00 – 2.00
• Manganese (Mn): ≤ 1.50
• Silicon (Si): ≤ 0.50
• Phosphorus (P): ≤ 0.030
• Sulfur (S): ≤ 0.030

Mechanical Properties

• Hardness after heat treatment: 35-45 HRC
• Tensile strength: up to 1000 MPa
• Yield strength: up to 800 MPa
• High corrosion and thermal resistance

Key Advantages

✅ High strength and durability ✅ Excellent corrosion resistance ✅ Superior mechanical properties even at high temperatures ✅ Good machinability and weldability

Applications

🔹 Manufacturing of components for the aerospace and aviation industry 🔹 High-temperature and high-load structural applications 🔹 Parts for the oil, gas, and chemical industry 🔹 Components requiring high corrosion resistance