... 3.sample available stainless equal straight tee Size1/2'' ~ 48''(Seamless); 16'' ~72''(welded); DN15-DN1200typeEqual tee,reduce tee,lateral teeWall thicknesssch10, sch20, sch30 ... , chemical, power, gas, metallurgy, shipbuilding, construction, etc stainless steel equal straight tee