
Large Diameter Steel Pipe Supplier for LSAW, SSAW & Coated Pipe
Large diameter steel pipe manufacturer supplying LSAW, SSAW and coated steel pipe for oil & gas, water transmission and infrastructure projects. API 5L and custom sizes available.
High-performance corrosion protection for oil, gas, and water infrastructure. Our 3PE (FBE+Adhesive+HDPE) coating ensures 50+ years of service life in the harshest underground and subsea environments.
Exporting to 50+ Countries | Custom Lengths Available
Our 3PE (Three-layer Polyethylene) coating provides the most robust protection against soil stress and corrosive environments. The structure consists of:
3PE coated seamless pipes are widely used in demanding infrastructure projects due to their longevity and reliability:
| Item | Specification |
|---|---|
| Pipe Type | Seamless Carbon Steel Pipe |
| Standard | API 5L, ASTM A106/A53, DIN 1629 |
| Coating Structure | FBE Primer + Copolymer Adhesive + HDPE Outer Layer |
| Outer Diameter | 21.3mm – 1219mm |
| Wall Thickness | SCH 10 – SCH 160, XXS |
| Steel Grade | A106 Gr.B, X42-X80, Q235, L245 |
| Pipe Diameter | 1/2″ to 48″ (21.3mm – 1219mm) |
We implement rigorous testing procedures to guarantee that every pipe meets international requirements:

Q: Does 3PE coating handle high temperatures?
A: 3PE is recommended for operating temperatures up to 80°C. For higher temperature requirements, we provide customized FBE or 3PP coating solutions.
Q: How do you handle coating damage during transit?
A: Our team uses professional loading techniques with protective spacers. We also provide on-site repair instructions and patch materials (shrinkable sleeves) for minor handling scratches.
From raw material audit to final holiday detection, we ensure every meter of pipe meets global safety standards.
Skip the middleman. We offer competitive factory-direct pricing without compromising on material thickness or coating consistency.
Get a detailed quotation, technical drawings, and lead time estimates within 24 hours.
When you choose to contact us, you will love our service
No matter you have rich experience of importing or new in this industry, our team will try the best to make your purchase of steel pipes fast and efficient.
All staff are7x 24 hours online and all your inquiries will be replied within 2 hours.
common size of steel pipes are in stock more than 800 tons, CIF orders will book stand-on vessel first.
Test report, certificates, CO and all customs clearance documents will be replied in time.

Large diameter steel pipe manufacturer supplying LSAW, SSAW and coated steel pipe for oil & gas, water transmission and infrastructure projects. API 5L and custom sizes available.

JS FITTINGS supplied 6 containers of large-diameter API 5L LSAW steel pipe to a Nigerian customer for a natural gas project, following factory and final product inspections.

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We will contact you within 2 hours, please pay attention to the email with the suffix “@jsfittings.com” or “@chinajsgj.com”.