High-quality Spiral Welded Pipe 1. Length: normally 6 ... material min. 700mm max. 2000mm High-quality Spiral Welded PipePipes --- General information :Standards : ASME B36. ... or Thicker.Pipe Type : Seamless , Welded , ERW , EFW , SAW , LSAW , SSAW , DSAW ,Etc. Material Specifications :Carbon Steel : A106B ... ,Etc.Duplex : A789 , A790-UNS31803,UNS32750,UNS32760 Etc.Alloy Steel: A335-P1, P5 , P9 , P11 , P12 , ...