FAQ

Spiral welded steel pipe is produced by forming steel strip into a spiral shape and welding the seam. It is commonly used in water, oil, gas transmission lines, piling, structural applications and many infrastructure projects.

Our spiral welded steel pipes are manufactured according to international standards such as API, EN and ISO, depending on project requirements and customer specifications.

We can manufacture spiral welded steel pipe in a wide range of diameters and wall thicknesses. Exact limits depend on grade and standard, so we confirm the feasible range for each project during the quotation stage.

Yes. We offer various coating options such as epoxy, polyethylene, polyurethane and bitumen, as well as internal linings for corrosion and abrasion protection when required by the project.

Each batch of spiral welded steel pipe is subjected to non destructive tests like ultrasonic and radiographic inspection, as well as hydrostatic testing, dimensional checks and visual inspection before shipment.

Yes, we can design and manufacture spiral welded steel pipe according to your technical drawings, specifications and standards, including special lengths, end preparations and coating systems.

Delivery time depends on pipe size, quantity and coating type. After evaluating your order details, we provide a clear production and delivery schedule and strictly follow the agreed lead time.

Yes, we regularly export to many regions. Our logistics team can organize sea, road or rail transportation and prepare all necessary export documentation for your country.

Of course. We provide mill test certificates, test reports and other documents such as welding procedure qualifications and coating data sheets on request.

You can send us your pipe sizes, steel grade, standard, coating requirements and project location via email or the contact form. Our sales team will prepare a detailed offer for spiral welded steel pipe as soon as possible.