... /2'' ~ 48''(Seamless); 16'' ~72''(welded); DN15-DN1200typeEqual tee,reduce tee,lateral teeWall thicknesssch10, sch20, sch30, std, sch40, sch60, xs, sch80, ... , SY5257, SH 3408, SH3410MaterialCarbon steel:DIN St37.0, St45.8, St52.4,St.35.8,API 5L GR.B, X42,ASTM A860 ... , chemical, power, gas, metallurgy, shipbuilding, construction, etc stainless steel reducing tee