LSAW (Longitudinal Submerge-arc Welded) steel pipe DSAW (Double Submerged arc welded) steel pipe Forming technical method: UO(UOE),RB(RBE),JCO(JCOE) Size: ... 53, EN10217, DIN 2458. IS 3589, GB/T3091, GB/T9711 Steel Grade: Steel Grade:API 5L: GR B, X42, X46, X56, X60 ... low pressure liquid delivery, such as water, oil, gas. structural pipe, piling pipe. End: Plain end, beveled end Surface: Black oil, Bare ...