OD.

159mm-3340mm

WT.

4mm-30mm

Quality standard as below,

API 5L Gas and petroleum pipe lines

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

SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service

SY/T 5040 Spiral submerged arc-welded steel pipe piles

CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply

ISO : 1978 Steel tubes for use in transportation of oil; gas & Petroleum products

ASTM A252 WELDED

BS534, BS 3601 DIN 1626, DIN 2460,TS1997, UNI 6363, AWWA C-200

Q235, Q275, Q295, Q345

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

API 5L: A, B, X42, X46, X52, X56, X60, X65 X70,x80

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

ASTM A252: Gr.1 Gr.2 Gr.3

Outside coating:

Anti-rust oil, black painting.

Epoxy Coating according to AWWA C-210

Bitumen Coating according to DIN30672, BS534

Coal- Tar Enamel Coating according to AWWA C-203

3 Layer polyethylene Coating according to DIN30670

3 Layer Polypropylene Coating according to DIN30678

Inside lining:

Epoxy lining according to AWWA C-210

Bitumen Lining according to DIN30673, BS534

Coal-Tar Enamel Lining according to AWWA C-203

Cement Mortar Lining according to AWWA C-205, BS534

End: square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled,

Surface: Lightly oiled, Hot dip galvanized,Black, Bare, Varnish coating/Antirust 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 Technical Properties (Bending Test,

Blow Test, Impact Test),  Exterior Size Inspection, Hydrostatic Test, X-ray Test.

Mill Test Certificate:EN 10204/3.1B