ASTM A139/A 139M covers five grades of electric-fusion(arc)-welded straight-seam or helical-seam steel pipe.
LSAW steel pipe:Standard: ASTM A139, ASTM A252, JIS G3444 etc. Grades: Q215-345, Grade A-E, Grade 1-3 STK290-540
Standard: ASTM A139, ASTM A252, JIS G3444 etc.
Grades: Q215-345, Grade A-E, Grade 1-3 STK290-540
Outside Diameter: Φ406mm-Φ1626mm (16″-64″)
Wall thickness: 6.4mm-54mm (1/4″-2⅛”)
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
packages: LSAW Structural pipes are individually wrapped by hand to ensure that the high quality of the material is maintained and no damage in the last stages of production. We recommend Plywood cases or pallet packaging to ensure safe packaging and prompt delivery of the ordered consignment.