Final answer:
Hastelloy C-276 is the best nickel alloy for joining Class BNi-6 due to its excellent corrosion resistance and good welding characteristics.
Step-by-step explanation:
The best nickel alloy for joining Class BNi-6 would be Hastelloy C-276. Hastelloy C-276 is a nickel-molybdenum-chromium alloy that offers excellent corrosion resistance in a variety of harsh environments, making it suitable for joining applications.
One of the key advantages of Hastelloy C-276 is its resistance to a wide range of corrosive media, including strong acids and oxidizing agents. This makes it a reliable choice for applications where Class BNi-6 needs to be joined.
Additionally, Hastelloy C-276 has good welding characteristics, allowing for easy joining of Class BNi-6 without compromising its mechanical properties. It is widely used in industries such as chemical processing, pollution control, and pharmaceuticals.