There are several benefits of using A182 F91 low alloy steel in nuclear applications, including:

1. High-temperature strength – A182 F91 low alloy steel has excellent high-temperature strength, which is critical in nuclear applications where components are exposed to high temperatures.

2. Radiation resistance – A182 F91 low alloy steel is resistant to radiation-induced embrittlement, which is a common problem in nuclear applications. This means that it can maintain its mechanical properties even after prolonged exposure to radiation.

3. Corrosion resistance – A182 F91 low alloy steel has excellent corrosion resistance, which is important in nuclear applications where components are exposed to corrosive environments, such as high-temperature water and steam.

4. Weldability – A182 F91 low alloy steel has good weldability, which is important in nuclear applications where components are often welded together.

5. Availability – A182 F91 low alloy steel is readily available and can be easily sourced, which is important in nuclear applications where strict quality control and traceability are required.

Overall, the use of A182 F91 low alloy steel in nuclear applications provides several benefits, including high-temperature strength, radiation resistance, corrosion resistance, weldability, and availability. These properties make it an ideal material for nuclear components that require high reliability and safety.