In addition to elbows, carbon steel pipe fittings additionally include tees, which link 3 areas of pipe, developing joints for fluid flow. Equal tees are used when the connecting branches are of the exact same diameter, while reducing tees are utilized when the branch pipe is of a smaller diameter. https://scientific-programs.science/wiki/The_Importance_of_Quality_Suppliers_for_Carbon_Steel_Butt_Weld_Fittings