... /2'' ~ 48''(Seamless); 16'' ~72''(welded); DN15-DN1200typeEqual tee,reduce tee,lateral teeWall thicknesssch10, sch20, sch30, std, sch40, sch60, xs, sch80, ... , chemical, power, gas, metallurgy, shipbuilding, construction, etc stainless steel reducing tee