1)sch 20 carbon steel pipe 2)OD:1/2 ... SSAW,LSAW,Seamless 5)Standard:ASTM,ANSI Type sch 20 carbon steel pipe SizeSeamless Pipe: 1/2”~48”, ... socket weld flange.lap-joint flange, threaded flange. ring type joint flange.Size:Dn15-Dn1200 1/2”-48” ... Standard:ANSI,DIN,JIS,BS,ENFace:raised face(FR); ring joint face(RJ); tongue and groove face; male ... , your inquiries will be reply promptly! sch 20 carbon steel pipe