1)sch 20 carbon steel pipe 2)OD:1/2"-48" 3)WT:1-160mm ... SSAW,LSAW,Seamless 5)Standard:ASTM,ANSI Type sch 20 carbon steel pipe SizeSeamless Pipe: 1/2”~48”, DN15~DN1200, OD21.3MM~1219.2MM ... SCH40, SCH60, XS, SCH80., SCH100, SCH120, SCH140, SCH160, XXSFlangeType:welding neck flange, slip-on flange, blind flange,socket weld flange ... website , your inquiries will be reply promptly! sch 20 carbon steel pipe