Our Services
Custom Welded Pipe Manufacturing
Large-diameter, thick-wall straight-seam welded pipes built to your OD, wall thickness and length — from single custom orders to bulk production runs.
Stainless & Special Alloy Grades
304/316L stainless, 904L and nickel alloys such as Hastelloy, matched to corrosion and high-temperature applications with full material traceability.
Laser Cutting & Fabrication
In-house laser cutting and fabrication to your drawings, supplying cut-to-size steel components with tight tolerances for your assemblies.
Quality Control & Certification
Chemical and mechanical testing, NDT and hydraulic pressure tests, with EN10204 3.1 mill test certificates issued for every batch.
MANUFACTURING CAPABILITIES
Your Dedicated Welded Pipe Manufacturing Partner
Shiwang Pipe is a China-based manufacturer of large-diameter, thick-wall straight-seam welded steel pipes. Every order is built to your specified outer diameter, wall thickness, length and grade, from stainless 304 and 316L to 904L and nickel alloys. From a single custom pipe to high-volume production runs, our welding, fabrication and testing teams deliver dimensions and quality you can rely on.
EXPORT & DOCUMENTATION
Export-Ready Pipes, Fully Documented
Every export order is seaworthy packed and shipped with complete documents, including the EN10204 3.1 mill test certificate, commercial invoice and packing list. We arrange delivery by sea, air or express to your destination and support you from quotation through to arrival.
We produce welded pipes to ASTM and GB/T 12771 requirements in stainless 304 and 316L, plus 904L and nickel alloys such as Hastelloy. Every shipment is supplied with an EN10204 3.1 mill test certificate covering chemical composition and mechanical properties.
Yes. We specialize in large-diameter, thick-wall and special-material straight-seam welded pipes. Send us your required outer diameter, wall thickness, length and grade, and we will quote for custom orders or bulk production.
We support export orders with seaworthy packing (bundles, wooden cases or customized protection), complete shipping documents, and delivery by sea, air or express. Tell us your destination and we will arrange a shipping plan.
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