... steel ASTM Straight and Reducing tee 1.standard:ANSI/ASME B16.9/B16.28 2.size: seamless 1/2"-24",seam-welded 4"-48" CARBON STEEL TEE Steel ... ; JIS2311Wall thickness2MM----25MMSCH5,SCH10S, SCH10, SCH20, SCH30, STD, SCH40,XS, SCH60, SCH80, SCH100, SCH120, SCH140,SCH160, XXS, ... rediusTee: equal, reducingReducer: concentric, eccentric,CapCross carbon steel pipe fitting straight tee and reducing tee ASTM