... equal,straight,reducing,lateral tee 2.Material:carbon steel,stainless steel,alloy steel 3.sample available carbon steel reducing tee Size1/2'' ~ 48''( ... sch160, xxs, std,sch5s, sch20s, sch40s, sch80sStandardANSI B16.9, ANSI B16.11, ANSI B16.5;ASTM A234,ASTM403,ASTM312,ASTM802,ASTM182,ASTM694,ASTM961,ASTM105 ... , chemical, power, gas, metallurgy, shipbuilding, construction, etc carbon steel reducing tee