astm a234 wpb equal tee 1.size:1/2" to 56" 2.Thickness:SCH10/20/ ... :ANSI,DIN,JIS,KS,EN,BS astm a234 wpb equal tee Name:Butt-Welded Seamless Pipe Fitting (Sample Free)Type45\90 ... \180 degree elbow,tee, reducer ,cap etc.Size1/2"-24" seamless,26"-56" weldedMaterialASTM ...