best pipe tee OD:1/2'' ~72'' Thickness:SCH20-SCH150 Standard:ASME,BS,DIN,JIS,GB Materail:Stainless&Carbon best pipe tee Size seamless size: 1/2"~24"DN15~DN600welding size: 4"~78" DN150~DN1900 Wall Thickness :sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s max wall thickness: 150mm Standards ASME,JIS,GB,SH,SY,DL,HG/, industrial ...