LSAW pipe : Longitudinal  Submerge-arc Welded pipe .

1.Specification

Spec: GB/T9711.2-1999,GB/T9711.1-1999

SY/T5037,SY/T5040

API 5L

ISO 2604/V1

ASTMA134,A139,A211,A381

JIS G344,G3457

DIN EN10208-2

DNV OS-F101

Size：OD Φ406-1625mm , wall thickness ：5-31.8mm

Max Steel grade ：API 5L PSL2×80

Max Pipe length：18m