LSAW steel pipe 1.LSAW Spiral steel pipes 2.OD:219-3200mm WT:6-22mm 3 Competitive price Grade: Gr.B-Gr.X70 219-711mm OD with 5-25.4mm WT Using Japanese and German technicalProduct Name:welded pipe-SAW/LSAWSize:OD 323-618 MM Thickness5-25MMSection ShapeRoundSteel materialCarbon steel normally;Other materials according to customers` requirements.StandardGB, APIGB/T 9711.1-1997, GB/T 9711.2-1999, ...