Along with elbows, carbon steel pipe fittings likewise include tees, which connect three sections of pipe, producing joints for liquid circulation. Equal tees are used when the linking branches are of the exact same diameter, while reducing tees are utilized when the branch pipe is of a smaller sized size. https://case.edu/cgi-bin/newsline.pl?URL=https://hfittings.com/product/carbon-steel-elbow/