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API 5L PSL1 GRB spiral steel pipe wholesale factory 3PE/3PP Steel Pipe
API 5L generally refers to the execution standard for pipeline steel pipes, which are used to transport oil, steam, water, etc. extracted from the ground to pipelines in oil and natural gas industry enterprises. Pipeline steel pipes include two categories: seamless steel pipes and welded steel pipes. Currently, the commonly used welded steel pipe types in oil pipelines in China include spiral submerged arc welded pipes (SSAW), straight seam submerged arc welded pipes (LSAW), resistance welded pipes (ERW), and seamless steel pipes. Spiral welded pipe is the main type of pipe material purchased for API 5L pipeline pipes.
Advantage Of 3PE/3PP Spiral Welding Pipe
Internal oxygen external 3PP/3PE anti-corrosion spiral steel pipe has those advantages:
♦ Excellent corrosion resistance
♦ Cathodic disbondment resistance
♦ High mechanical strength
♦ Strong load-bearing capacity
♦ Environmentally friendly and non-polluting
♦ Smooth pipeline inner wall
♦ Low friction coefficient
Complete Steel Grade For Your Square Steel Pipe
Yuantai Derun Square Steel Pipe – Diverse Steel Grades for Global Applications
Yuantai Derun offers an extensive selection of square steel pipe steel grades, catering to specialized requirements across international markets. Our products comply with major global standards, including:
☆ American Standard (ASTM): Gr. A, B, C, etc.
☆ European Standard (EN): S235, S275, S355, S420, S460, etc.
☆ Japanese Standard (JIS): SS400, STKR400, STKR490, etc.
☆ Chinese Standard (GB): Q195, Q235, Q355, etc.
☆ Canadian Standard (CSA): 300W, 350W, etc.
For a detailed quotation tailored to your needs, please share your specific steel grade requirements with us today.
Application Of 3PP/3PE Steel Pipe
3PP/3PE coated steel pipes, particularly spiral welded pipes, are primarily utilized in industries requiring robust corrosion protection and thermal resistance. These pipes are engineered for the transportation of high-temperature media and are extensively employed in pipeline infrastructure projects within high-temperature environments, such as desert regions characterized by elevated surface temperatures and prolonged solar exposure.
Key industrial applications include:
☆ Oil and Gas Transmission – Buried pipelines for crude oil, refined products, and natural gas, especially in arid or high-temperature terrains.
☆ Water Supply Systems – Long-distance water conveyance pipelines in thermally demanding environments.
☆ Chemical and Process Industries – Transport of heated fluids or corrosive media where enhanced anti-corrosion and thermal stability are critical.
3PE Spiral Steel Pipes Making Process mainly including those steps:
bare spiral welded steel pipe->Intermediate frequency preheating->Shot blasting rust removal->Rust removal quality inspection->Intermediate frequency preheating->Powder coating->Adhesive->Polyethylene layer->water cooling->Coating inspection->3PP anti-corrosion pipe storage
Yuantai Derun Square Steel Pipes – Quality Assured at Every Stage
From raw material sourcing to finished products, Yuantai Derun implements rigorous quality control at every step. We exclusively use traceable raw materials from reputable manufacturers, subjecting them to comprehensive inspections, including but not limited to:
● Dimensional & Visual Checks (appearance, size, straightness)
● Mechanical Testing (impact resistance, yield & tensile strength, hardness)
● Material Analysis (chemical composition, metallographic examination)
● Non-Destructive & Corrosion Testing (UT inspection, salt spray testing)
Contact us today to discuss your specific testing requirements—we ensure precision and reliability in every pipe.
| Product Description | |
| Outer Diameter | 219mm to 4500mm |
| Wall Thickness | 4-30 mm |
| Length | 4-24M according to client requirement |
| Tolerance | ±5% or as required |
| Brand | Yuantai Derun Steel Pipe Manufacturing Group |
| Model | 3PP coating steel pipe |
| Surface Treatment | Black painted or REQUEST |
| Standards | API 5L, ASTM A501/500, bs,EN10210/10219,JIS G3466 |
| Certificate | CE,LEED,BV,PHD&EPD,BC1,EN10210/10219, ISO9000/14001/45001,DNV,ABS,JIS G3466 |
| Brand | Yuantai Derun or OEM |
| MOQ | 2-5 Tons or No minimum order |
| Delivery Time | 7-30 days |
| Samples | Free Samples Get Free Sample Now! |
