Product Introduction

Straight Seam Steel Pipe is designed for project supply. Straight-seam round steel pipe with uniform wall thickness, accurate dimensions, easy fabrication, and cost-effective performance for structures and low-pressure fluid transfer.

 

Key Features

• High-frequency straight-seam welded forming creates a round hollow section with uniform wall thickness.

• Flat and firm weld seam supports cutting, bending, threading, and welding on site.

• Light weight and high cost performance suit common indoor and outdoor service conditions.

• Neat stacking and convenient handling support large-volume structural and fluid-piping projects.

 

Technical Specifications

• Material: Q235B/Q235C/Q355B/Q355C/Q355ND

• ASTM A36/A572 Gr50

• EN S235/S355 series

• JIS SS400/SM490

• Russian St and 09G2S grades; stainless steel available

• Outer Diameter: DN15-DN200 standard stock; thin-wall and heavy-wall custom options available

• Length: Standard 6 m fixed length; cut-to-length, threading, and beveling available

• Surface: Black finish, hot-dip galvanized, or polished finish available

 

Applications

• Low-pressure water supply, drainage, fire branch pipes, and ventilation lines Guardrail posts, greenhouse frames, equipment supports, and scaffolding pipes Handrails, door/window frames, and outdoor decorative round structures Small equipment bases, conveyor rollers, and hardware raw materials.

 

Ordering & Quality Documentation

Please provide the required steel grade, outside diameter or section dimensions, wall thickness, length, applicable standard, surface finish or coating, order quantity and delivery destination. If the pipe is intended for a specific system, include the design and inspection requirements.

 

For project procurement, specify any required material test certificate (MTC), inspection report, certificate of origin or other shipment documentation in your inquiry. Document type, availability and applicability must be confirmed for the exact material grade, shipment and order; no blanket certification is implied.

 

Product FAQ

Q: Which dimensions should be included in an inquiry?

A: Include outside dimensions, wall thickness, length, steel grade, required standard and order quantity.

 

Q: Can inspection documents be requested?

A: Specify the required inspection or material documents in the inquiry; availability must be confirmed for the selected product and supply batch.

 

Request a Quote

Send MGTSP the required product specification, quantity and destination for a quotation. Any listed grades, processing options, inspection documents and delivery terms remain subject to order confirmation.