SSAW/SAW STEEL PIPES

SSAW steel pipes or spiral submerged-arc welded steel pipes are used for the transmission of water, gas, or petroleum products and many other usages. Our spiral welded steel pipes and tubes are available in wall thicknesses and diameters. We are among the leading manufacturers and suppliers of SSAW pipes and tubes in China, welcomed by customers in many countries of the world.

Quality Standard:

ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

API 5L Line Pipe

ASTM A252 welded steel pipe

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

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

DIN 2458 welded steel pipe and tubes

DIN 30670 Polyethylen coatings of steel pipes and fittings

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

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

Steel Grade:

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

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

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

GB/T3091, SY/T5037, SY/T 5040,CJ/T 3022:Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8

Size:

Outer Diameter: 219.1mm - 3500mm 

Wall Thickness: 6 mm - 28mm

End: plain or beveled

Manufacturing Process:

1. Raw Material Inspection 2. Uncoiling 3. Rough Leveling 4. End Cutting and Butt Welding 5. Precision Leveling 6. Delivering 7. Forming By Inner and Outer Welding 8. Welding Slag leaning & Overall Inspection 9. Repair Welding, X-Ray Inspection, Scanning, And Re-Inspection By Manual UT 10. Chamfering 11. Hydrostatic Testing 12. Auto Length-Measuring and Weighing 13. Coating and Marking 14. Storage