SUBMERGED ARC WELDING STRAIGHT SEAM STEEL PIPE API 5L

1. Product Specifications:

Pipe diameter: Ф406.4 ~ Ф1422.4mm (16-56in)

Pipe length: 3 ~ 12.5m

Wall thickness: Carbon, low-carbon alloy production in the range of 8 ~ 50mm;

X70 steel grade than carbon steel alloy wall thickness of up to 6.4-26.4mm (0.252–1.04in)

Product Standard: SO3183, API Spec 5LI, API Spec 2B, GB / T9711 and other standards

Yield: annual output of large diameter submerged arc welded pipe 150,000 tons

2. Uses:

Mainly used for land, marine oil and gas. Transportation and offshore platforms coal slurry, pulp and other media, power plants, chemical and urban structural tube.

3. main feature:

After overall mechanical expanding process. Pipe internal stress is small and uniformly distributed. Can effectively prevent stress corrosion cracking. High dimensional accuracy. Easy on-site welding construction.

Using pre-finish welding process after welding. Welding process is stable. High weld quality.

Weld is easy to realize the production process of non-destructive testing and use in the field of non-destructive testing review.

And non-straight seam welded pipe compared. Short welds, small probability of welding defects.

Great specifications. Can produce small-diameter, thick wall also produces large-diameter, thick-wall steel pipe.