Steel EN 1.4923
EN 1.4923 is a high-strength heat-resistant martensitic stainless steel. The alloy is primarily composed of iron and is alloyed with chromium, molybdenum, and vanadium. Thanks to its chemical composition, the steel offers excellent mechanical strength, outstanding heat resistance, and reliable performance under prolonged exposure to elevated temperatures.
Key Features
EN 1.4923 steel is characterized by:
- High mechanical strength
- Excellent resistance to yield deformation and creep
- Heat resistance at temperatures up to 650°C
- High corrosion resistance in aggressive environments
- Excellent resistance to hot steam
The alloy’s chemical composition ensures reliable performance even in harsh operating conditions, including high humidity and exposure to aggressive industrial gases.
Applications
EN 1.4923 is widely used for the manufacture of:
- Chimneys and furnace flues
- Ventilation and air conditioning systems
- Power generation equipment
- Turbine components
- Mechanical assemblies operating at elevated temperatures and high humidity
- Industrial equipment for the power, chemical, and petrochemical industries
Its combination of heat resistance, creep resistance, and corrosion resistance makes this steel particularly suitable for demanding industrial applications.
Chemical Composition of Steel EN 1.4923
| Element | Content (%) |
|---|---|
| C | 0.18–0.24 |
| Si | ≤0.50 |
| Mn | 0.40–0.90 |
| P | ≤0.025 |
| S | ≤0.015 |
| Cr | 11.0–12.5 |
| Ni | 0.30–0.80 |
| Mo | 0.80–1.20 |
| V | 0.25–0.35 |
| Fe | Balance |
Mechanical Properties of Steel EN 1.4923
Heat Treated Condition (+QT1), Thickness <160 mm
| Property | Value |
|---|---|
| Yield Strength (ReH), MPa | ≥600 |
| Tensile Strength (Rm), MPa | 800–950 |
| Reduction of Area (%) | ≥40 |
| Elongation (%) | ≥14 |
| Charpy Impact Energy (KV) at 20°C | ≥27 J |
Heat Treated Condition (+QT2), Thickness <160 mm
| Property | Value |
|---|---|
| Yield Strength (ReH), MPa | ≥700 |
| Tensile Strength (Rm), MPa | 900–1050 |
| Reduction of Area (%) | ≥35 |
| Elongation (%) | ≥11 |
| Charpy Impact Energy (KV) at 20°C | ≥20 J |
Available Product Forms of Steel EN 1.4923
| Product | Dimensions |
|---|---|
| Round Bar EN 1.4923 | Diameter: 6–500 mm |
| Steel Sheet EN 1.4923 | Thickness: 0.5–100 mm |
| Pipe EN 1.4923 | Hot-rolled round pipe: 38–244.5 mm outside diameter with 3–25 mm wall thickness; Cold-drawn round pipe: 6–219.1 mm outside diameter with 0.9–14.2 mm wall thickness |
| Hexagon Bar EN 1.4923 | Diameter: 17–65 mm |
| Flat Bar EN 1.4923 | Thickness: 5–50 mm; Width: 50–250 mm |
| Square Bar EN 1.4923 | Size: 10–80 mm |
