LSAW (Longitudinal Submerge-arc Welded) steel pipe DSAW (Double Submerged arc welded) steel pipe Forming technical method: UO(UOE),RB(RBE),JCO(JCOE ... 53, EN10217, DIN 2458. IS 3589, GB/T3091, GB/T9711 Steel Grade: Steel Grade:API 5L: GR B, X42, X46, X56, X60 ... 's request. Packing: Plastic caps on both ends. Bundle with steel strips. Wrapped in waterproof paper, PVC sleeve or as per ...