Learn about the chemical composition and properties of A182 F347H material
A182 F347H is a high-performance stainless steel alloy known for its excellent mechanical properties and corrosion resistance, making it suitable for various demanding applications, particularly in the chemical processing, nuclear power, and aerospace industries. This article will delve into the specific chemical composition, heat treatment, and mechanical properties of A182 F347H.

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Chemical Composition Requirements
The chemical composition of A182 F347H is crucial in defining its performance characteristics. The specified ranges for each element are as follows:
Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Nickel (Ni) | Chromium (Cr) | Niobium (Nb) |
0.04% – 0.10% | ≤ 2.00% | ≤ 0.045% | ≤ 0.030% | ≤ 1.00% | 9.0% – 13.0% | 17.0% – 20.0% | 8 × C – 1.10% |
This specific chemical makeup contributes to the material’s overall strength, corrosion resistance, and stability at elevated temperatures.
Heat Treatment
The heat treatment process for A182 F347H is essential to enhance its properties. The recommended treatment includes:
Solution Treatment Temperature: ≥ 1040 °C
Cooling Medium: Liquid, cooled to below 260 °C
This process helps to dissolve carbides and other precipitates, allowing for a more uniform microstructure and improved performance.
Mechanical Properties
A182 F347H is also characterized by its impressive mechanical properties, which are vital for its performance in various applications. The requirements are as follows:
Tensile Strength: ≥ 515 MPa
Yield Strength: ≥ 205 MPa
Elongation: ≥ 30%
Reduction of Area: ≥ 50%
These mechanical properties ensure that A182 F347H can withstand significant stress and strain while maintaining its integrity in challenging environments.
In summary, A182 F347H is a versatile and robust stainless steel alloy, defined by its specific chemical composition and heat treatment processes. Its exceptional mechanical properties make it an ideal choice for applications that demand reliability and performance under extreme conditions. Understanding the chemical makeup and properties of A182 F347H is essential for ensuring its effective use in critical applications. For more information about A182 F347H and its applications, please reach out to us at Haihao Group.