1.4713 / X10CrAlSi7 / Heat-Resistant Steel

Heat-Resistant Alloy EN 1.4713 / 15X6SYU: Properties, Applications, and Features

✅ General Technical Characteristics

The heat-resistant alloy EN 1.4713 (15X6SYU) is a high-temperature ferritic alloy with excellent thermal resistance, oxidation resistance, and mechanical strength at elevated temperatures. Due to its chromium and silicon content, this material provides outstanding heat resistance and is used in environments with increased thermal loads.

Main Characteristics:

• High heat resistance and oxidation resistance at temperatures up to 850°C.
• Good corrosion resistance in high-temperature environments.
• High mechanical strength and hardness.
• Good weldability and machinability.
• Optimal wear resistance for extreme conditions.

🔬 Chemical Composition EN 1.4713 / 15X6SYU (%):

• Carbon (C): 0.10 – 0.17
• Silicon (Si): 0.80 – 1.50
• Manganese (Mn): ≤ 1.50
• Phosphorus (P): ≤ 0.040
• Sulfur (S): ≤ 0.030
• Chromium (Cr): 5.50 – 7.50
• Aluminum (Al): ≤ 0.10

💡 The chromium and silicon content ensures high resistance to scale formation and thermal exposure.

🏭 Applications

The heat-resistant alloy EN 1.4713 (15X6SYU) is widely used in high-temperature environments requiring excellent thermal stability and mechanical strength.

Main Application Areas:

• Manufacturing of heat exchangers and gas turbines.
• Components for industrial furnaces and thermal units.
• Automotive industry (exhaust systems, engine components).
• Energy sector (boiler equipment, gas chambers).
• Chemical and metallurgical industries (pipes, tanks, reactors).

📊 Mechanical Properties

• Tensile Strength (Rm): 500 – 750 MPa
• Yield Strength (Rp0.2): ≥ 300 MPa
• Hardness (HB): ≤ 250 HB
• Elongation (A5): ≥ 15 %

⭐ Features

• Heat resistance – effective performance at high temperatures up to 850°C.
• Oxidation resistance – long-term use in aggressive thermal environments.
• High mechanical strength – excellent hardness and wear resistance.
• Good weldability – suitable for machining and welding.
• Wide range of applications – an ideal material for industrial, energy, and automotive sectors.

Delivery forms of steel products EN 1.4713 / 15Х6СЮ