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atAugust 3, 2017
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”) Length: 3.0m-12.3m 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 […]