... LSAW,Seamless 5)Standard:ASTM,ANSI Type astm a53 sch 40 steel pipe SizeSeamless Pipe: 1/2”~48”, DN15~DN1200, OD21.3MM~1219 ... pipe:8"-144" ,DN200-DN3600 , OD:219.1-3657.6mm ,WT: 6-36mmWall thicknessSGP, STD, SCH40, SCH80, SCH160. XS,XXS and ... eccentric/concentric reducers ;sprial welded steel pipe (SSAW),seamless steel pipe (SMLS) ,and LSAW pipe! The sizes: Pipe fittingType:elbows, reducers,tees, cross, ...