Monel 400 is a nickel-copper alloy that offers excellent corrosion resistance and high strength over a wide temperature range. It is widely used in equipment such as pumps, valves, and tanks in the marine and chemical processing industries. It is a solid solution alloy that cannot be hardened by heat treatment, but can be strengthened by cold working.The Olet is a reinforced pipe fitting used for branch pipe connection, which has been widely used abroad in recent years. It replaces the traditional branch pipe connection types such as reducing tees, reinforcement plates, and reinforced pipe sections. It has outstanding advantages such as safety and reliability, reduced cost, simple construction, improved medium flow channel, series standardization, and convenient design and selection. It is increasingly widely used in high-pressure, high-temperature, large-diameter, and thick-walled pipelines, replacing the traditional branch pipe connection method.