2) Standard: API 5L, ASME A671, ISO 3183
3) Outside diameter: φ219-φ2540mm (8"- 100")
4) Wall thickness: WT 5-30mm (SCH20-SCH80)
5)Single length: L 5.8-12m
5) Material: API 5L B/X42/X52/X60/X65/X70 ; S235JR, S275JR, S355JR ;
6)Product usage: Spiral steel pipe mainly used for--- Container equipment pipeline, petroleum, natural gas and water pipeline, manufacture of pipe fittings and steel structure.