Place of Origin : Beijing,China
1. STANDARD:API5L ,A53,A335,A671,EN10255, NFA49,JISG3452
2. MATERIAL: GR.B,X42,X56,ST35,ST52,S235JR
3. SIZE: OD: 1/4"-40" WT: Sch5-Sch80(1.2mm-60mm) Length: 2m-14m
4. APPLICATION: Oil,Chemical,Electric Power,Construction,Transportation Pipeline and Other field