Product Introduction

Large Diameter Rectangular Steel Tube is designed for project supply. Large rectangular steel tube with a high-strength hollow section, strong bending capacity, and customizable anti-corrosion processing for heavy structural projects.

 

Key Features

• Large-section high-frequency cold-bent welded forming provides strong bending and torsional capacity.

• Straight corners and firm welds support cutting, drilling, welding, and large-frame assembly.

• Hollow lightweight design reduces structural weight while maintaining high load capacity.

• Sandblasting, painting, and hot-dip galvanizing can be supplied for indoor and outdoor heavy-duty 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

• Dimensions: Large-size stock available; extra-wide and heavy-wall non-standard rectangular tubes can be customized

• Length: Common 6 m, 9 m, and 12 m; beveling, cutting, and punching available

• Surface: Hot-rolled oxide finish; anti-rust and anti-corrosion treatment available

 

Applications

• Heavy steel structures, factory load-bearing columns, equipment bases, and platform beams Footbridges, pipe-gallery supports, and large curtain-wall load-bearing framing Heavy warehouse racks, gantry frames, and conveyor support skeletons Large sunrooms, steel gates, and heavy outdoor guardrails.

 

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.