Chemical composition

Physical properties

347H material properties

347H is a high carbon modification of alloy 347 stainless steel, primarily designed for elevated temperature applications. It offers improved creep strength and resistance to intergranular corrosion over its non-modified counterpart, making it suitable for use in high-temperature environments such as petrochemical, chemical processing, and power generation industries. Additionally, its enhanced stability against sensitization and weldability further contribute to its utility in various applications requiring durability and reliability under harsh conditions.

Advantage

1. Enhanced creep strength for high-temperature applications.

2. Improved resistance to intergranular corrosion over standard alloys.

3. Suitable for petrochemical, chemical processing, and power generation industries.

4. Enhanced stability against sensitization for prolonged service life.

5. Excellent weldability for ease of fabrication and assembly.

6. Maintains mechanical properties at elevated temperatures.

7. Versatile for a wide range of demanding industrial applications.

8. Reliable performance in harsh and corrosive environments.

347H Material application areas

347H stainless steel finds extensive application in industries requiring elevated temperature resistance and corrosion resistance. Common application areas include petrochemical plants, refineries, chemical processing facilities, and power generation plants. It is used in equipment such as reactors, heat exchangers, boilers, and piping systems, where its enhanced creep strength, resistance to intergranular corrosion, and stability against sensitization are critical for long-term performance. Additionally, it finds use in various high-temperature components in the aerospace, automotive, and manufacturing sectors where reliability and durability under harsh conditions are essential.