ASTM A139 LSAW Structural pipes and pile pipes for low pressure liquid delivery
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LSAW steel pipe refers to Longitudinal Submerged-Arc Welded Steel Pipe, which is made of hot-rolled steel plate or coils. LSAW steel pipe always goes to the big-sized welded pipe, which can’t be manufactured by electric resistance welding technique.
API 5L LSAW steel pipes ( Double Submerged arc welded) are used to convey low & high pressure petroleum, natural gas or other thick pipeline system.
LSAW could produce the thick wall thickness max. to 120mm.
specification of API 5L LSAW Transmission steel pipe
Line Pipe:
API 5L PSL1/PSL2,GR.B/X42/X46/X52/X56/X60/X65/X70
Outside Diameter: Φ406mm-Φ1626mm (16″-64″)
Wall thickness: 6.4mm-54mm (1/4″-21/8″)
Grades: API 5L (A, B, X42-X80)
Length: 3.0m-12.3m
End: square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled
Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy,? Fusion Bond Epoxy, 3-layers PE)
