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
Steel circle delivery form 1.3974 / AISI F49
Steel Circles | |
| Steel grades | Dimensions supplied (mm) |
| Steel circle 1.3974 / AISI F49 | 12 – 50 |
