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Double submerge arc welding steel pipe (DSAW )/Longitudinal-seam Submerge arc welding steel pipe(LSAW).
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LSAW Steel Pipe
• Feature: Large diameter,thick wall,high pressure&low temperature resistance.
• Test: Chemical Component Analysising, Mechanical Properties (Ultimate tensile strength,Yield strength, Elongation), Technical Properties (Flattening Test,Blow Test, Impact Test,DWT test),Exterior Size Inspection, Hydrostatic Test, X-ray Test,UT test.
•Our LSAW pipes could also be welded with flanges ,lifting eyes or other parts according to the requirement of the clients.
LSAW/DSAW API 5L PSL1 STEEL PIPE
1.Specifications: Ф406mm-Ф1620mm, thickness 6mm-20mm.
Material: Q235B, Q345B, ,GRB,10 # , 20 #, X42-X80 grade and so on.
2.our productive Standard: SY/T0315-97, SY/T0315-2005, CAN/CSA-Z245.20-M98, DIN30671, Q/CNPC38-2002, DIN 30670
SY/T0413-2002 "of buried steel pipe polyethylene coating technology standards"