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Anti Corrosion Anti Rust Large Diameter Astm A252 Astm A53 Round Spiral Steel Pipe

Mature process

It is processed by skilled technology. With mature technology and good materials, the product is stable and solid.

Spiral surface with spray paint to ensurecorrosion protection.High temperature resistance, high pressure resistance, reliable quality and durability.

Support customization

Various product specifications can be customized to meet different needs.

Spiral welded pipe is made of low carbon structural steel or low alloy structural steel strip rolled into tube blank according to a certain helix angle, and then welded.

Smooth incision

The steel has uniform composition, reliable quality and uniform cutting.

Excellent quality, no weld defects,delamination, adulterants.

Excellent quality

Rich experience, accurate size, excellent performance and timely delivery.

Process:

Spiral Submerged- Arc Welded Steel Pipe

Usage:

Used for low pressure liquid transportation, such as water, gas, and oil; construction and piping

Standard:

API 5L, ASTM A252, EN10217-1,2,5, EN10219-1, BS, JIS, IS

Certificate:

EN10217, EN10219, API 5L PSL1/ PSL2, API 5CT

Out Diameter:

219.1 mm – 3048mm (8"-120")

Wall Thickness:

4mm - 30mm

Length:

3 – 70 M

Steel Grade:

API 5L: GR A, GR B, X42, X46, X56, X60, X65, X70 ASTM A252 GR 1, GR 2, GR 3

BS 4360:

Grade 43, Grade 50

EN:

S275JR, S275J0H, S275J2H, S355JRH, S355J0H, S355J2H

Surface:

Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement

Test:

Chemical Component Analysis, Mechanical Properties (tensile strength, Yield strength, Elongation), Metallographic Test, Technical Properties (Bending Test, Charp-v Impact Test, Hydrostatic Test, X-ray Test, hydrostatic Test