Alloy Steel F5 Pipe Oletsare available in high-grade metal to enhance the strength, durability and corrosion resistant features. They are widely used in the most critical operations in the nuclear sector and aerospace due to matchless flexibility, and exceptional mechanical properties. They are used on 90 Long Radius Elbows for making secure thermowell and instrumentation connections. These Alloy Steel F5 Pipe Olets are also known as branch connection fittings to provide an outlet from a large pipe to a small pipe.