Alloy 600 (UNS N06600) is a nickel-chromium alloy that is commonly used in high-temperature applications, particularly in the chemical and petrochemical industries. B366 is a specification for wrought nickel and nickel alloy fittings used in various industries.

The chemical composition of Alloy 600 includes nickel, chromium, iron, and small amounts of other elements such as manganese, silicon, and carbon. It offers excellent resistance to corrosion, oxidation, and high-temperature environments.

B366 is a specification for wrought nickel and nickel alloy fittings that are commonly used in various industries, including chemical processing, oil and gas, and petrochemical industries. These fittings are used to connect pipes and other equipment in demanding environments where resistance to corrosion and high temperatures is critical.

The B366 specification covers various types of fittings, including butt-welding fittings, socket-welding fittings, threaded fittings, and flanged fittings, all of which are made from wrought nickel and nickel alloys.

Overall, Alloy 600 and B366 fittings are reliable and durable materials that offer excellent performance in high-temperature and corrosive environments, making them ideal for use in various industries where these properties are critical.

B366 is a specification for wrought nickel and nickel alloy fittings used in various industries. The specification covers various types of fittings, including butt-welding fittings, socket-welding fittings, threaded fittings, and flanged fittings.

Here are some differences between these types of B366 fittings:

1. Butt-Welding Fittings: Butt-welding fittings are used for connecting pipes by welding them to the end of the pipe. They are available in various types, including elbows, tees, reducers, and caps. They are commonly used for high-pressure and high-temperature applications.

2. Socket-Welding Fittings: Socket-welding fittings are used for connecting pipes by sliding the pipe into the socket and then welding the pipe to the fitting. They are available in various types, including elbows, tees, couplings, and unions. They are commonly used in piping systems that require frequent dismantling for maintenance.

3. Threaded Fittings: Threaded fittings are used for connecting pipes by screwing them together. They are available in various types, including elbows, tees, couplings, and unions. They are commonly used in low-pressure applications.

4. Flanged Fittings: Flanged fittings are used for connecting pipes by bolting them together. They are available in various types, including weld neck, slip-on, threaded, and socket weld. They are commonly used in high-pressure and high-temperature applications.

Overall, the choice of B366 fitting type depends on the specific application requirements, such as the pressure, temperature, and type of fluid being conveyed. It’s essential to consult with a materials engineer or a piping system designer to determine the most suitable fitting type for a particular application.