3PE Coating SSAW Pipe for Large Diameter Oil Pipeline Welded Steel Pipe

Benefits of 3PE coating for large diameter Oil Pipeline welded steel Pipe 3PE Coating ssaw Pipe for Large Diameter Oil Pipeline Welded Steel Pipe When it comes to constructing large diameter oil pipelines, one of the most critical factors to consider is the coating applied to the welded steel pipes. The coating plays a crucial…

Benefits of 3PE coating for large diameter Oil Pipeline welded steel Pipe

3PE Coating ssaw Pipe for Large Diameter Oil Pipeline Welded Steel Pipe alt-261 When it comes to constructing large diameter oil pipelines, one of the most critical factors to consider is the coating applied to the welded steel pipes. The coating plays a crucial role in protecting the pipes from corrosion and ensuring their longevity. One coating that has gained significant popularity in recent years is the 3PE coating. In this article, we will explore the benefits of using 3PE coating for large diameter oil pipeline welded steel pipes.
First and foremost, the primary advantage of 3PE coating is its exceptional corrosion resistance. The three layers of protective coating provide a robust barrier against corrosive elements, such as moisture, chemicals, and soil. The first layer, known as the epoxy primer, acts as a bonding agent between the steel pipe and the subsequent layers. It prevents the formation of rust and ensures excellent adhesion of the coating. The second layer is the adhesive, which further enhances the bonding between the epoxy primer and the final layer. Finally, the third layer is the polyethylene, which acts as a physical barrier against external factors. This triple-layered coating system effectively shields the steel pipe from corrosion, even in harsh environments.
 API 5CT  L80 casing Tubing Range lengths
 Range 1Range 2Range 3
CASING (PE/T and C/SF)   
Total range length, inclusive Permissible variation, max a4.88 to 7.62 1.837.62 to 10.3610.36 to 14.63 1.83
  1.52 
TUBING AND CASING USED AS TUBING   
(PE/T and C/SF)   
Total range length, inclusive Permissible variation, max a6.10 to 7.32 b8.53 to 9.75 c11.58 to 12.80 d
 0.610.610.61
INTEGRAL TUBING connectionS (including IJ/PE   
and IJ/SF)   
Total range length, inclusive Permissible variation, max a6.10 to 7.92 e8.53 to 10.3611.58 to 13.72 0.61
 0.610.61 
PUP JOINTSLengths: 0.61; 0.91; 1.22; 1.83; 2.44; 3.05 and 3.66 e
 Tolerance: ±0.076
a Length variation applies to rail car shipment to the point of use and does not apply to order items of less than 18,144 kg of pipe.
b By agreement between purchaser and manufacturer, the maximum length may be increased to 8.57 m.
c By agreement between purchaser and manufacturer, the maximum length may be increased to 10.76 m.
d By agreement between purchaser and manufacturer, the maximum length may be increased to 17.72 m.0.61 m pup joints may be furnished up to 0.91 m long by agreement between purchaser and manufacturer, and lengths other than those listed may be furnished by agreement between purchaser and manufacturer.
heat Shrink Tubing for Oil resistantAnother significant benefit of 3PE coating is its impact resistance. The polyethylene layer provides excellent protection against mechanical damage, such as scratches, dents, and impacts. This is particularly crucial for large diameter oil pipelines, as they are often subjected to external forces during transportation, installation

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