LSAW Steel Pipes

LSAW steel pipes/tubes or Longitudinal Submerged-arc Welded steel pipes are used for the transmitting of water, natural gas, or petroleum. Our LSAW steel pipes are available in many wall thicknesses and diameters. We are among the leading manufacturers and suppliers of LSAW pipes and tubes in China, welcomed by customers in many countries of the world. 

Manufacturing technology: JCOE

Quality Standard:

LSAW, DSAW:

API 5L LSAW Line Pipe

IS: 3589 Steel tubes for water and sewage

IS : 1978-1982:Steel tubes for use in transportation of oil; gas & Petroleum products?

BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam

ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded steel pipe.

DIN 2458 :welded steel pipe and tubes.

EN10217:Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties

GB/T3091: Welded steel pipe for low pressure liquid delivery

GB/T9711 :Petroleum and natural gas industries--Steel pipe for pipelines

Steel Grade:

API 5L: A, B, X42, X46, X52, X56, X60, X65 X70.

BS:1387, EN10217:S185, S235,S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52

ASTM A 53: Gr. A, Gr B, Gr C, Gr.D

GB/T3091:Q195, Q215, Q235, Q275, Q295, Q345.

GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555

Size:

LSAW, DSAW: 

Outer Diameter:323.9mm-1820mm

Wall Thickness: 5.0mm-50mm

Length: 6mtr-18mtr

End: plain, 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)

Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.

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.

Mill Test Certificate:EN 10204/3.1,EN 10204/3.2.

Third party inspection:SGS, BV, Lloyds,IEI etc.