Advanced Custom Box Column Systems for Multi-Story Heavy-Duty Framing

Advanced Custom Box Column Systems for Multi-Story Heavy-Duty Framing

Product Overview

The fabricated box column is a high-performance structural element formed by welding steel plates into a closed, rectangular section. Its engineered hollow profile delivers exceptional load-bearing capacity while providing outstanding resistance to bending moments and torsional forces. This design is particularly valued in contemporary construction and industrial applications where structural integrity, stability, and efficient use of material and space are paramount.

Seismic Resilience
Engineered with superior ductility and energy dissipation capacity, built-up box columns offer exceptional seismic performance. Their closed cross-section resists torsional buckling and maintains structural integrity under cyclic loading, ensuring stability in high-risk seismic zones. Internal stiffeners and diaphragms can be precisely configured to create strong, damage-resistant connections within moment frames.

Integrated Utility Concealment
The hollow core of box columns provides a secure, protected channel for routing electrical conduits, data cables, and plumbing systems. This design eliminates exposed piping and wiring, improves spatial efficiency, and supports cleaner architectural finishes while ensuring easy future access for maintenance and upgrades.

Adaptable Welding & Connection Flexibility
Built-up fabrication allows versatile welding configurations—including multi-sided connections, variable plate thicknesses, and custom internal diaphragms—to meet specific load and architectural requirements. Advanced techniques such as automated welding and modular pre-assembly ensure precision, reduce on-site labor, and accelerate project timelines.

OEM service available.

A dedicated team of fast response;

EN1090 & AISC & CWB & JIS Certificated Quality;

Full production line for customized products;

Close to Sea port, Convenient for visit and delivery;

150000M2 Manufacturing Area capable to take large volume

Sunway is a Chinese steel fabricator established in the year 2002, providing OEM steel structure for Construction Building, Solar Tracker, Chemical Plant, Power Plant, Mining & Cement equipment.

Sunway has passed international certificates including AISC, CE, CWB, JIS, ISO. Supply full package of steel works ready for erection on site. 70% of products exported to overseas, including Europe, North America and Australia, etc.

Sunway conducts digital management of the workshop. Through Tekla, Solidworks software and MES systems, the full traceability of product cycle is realized.

Besides the Automatic Intelligent Production Line for H beam & Box Column, the factory is well equipped with Laser Cutting Machine, Robot Welding Machine, Sawing Machine, Drilling Machine, Hydraulic Press Machine, Punching Machine, Shot-blasting machine and independent Painting workshop. 

The typical products are Built-up H section, Steel Frame, Steel Truss, Solar tracker bracket, and Pipe Racking Structures.

Why choose Sunway?

OEM & Detailing service available.

A dedicated team of fast response;

EN1090 & AISC & CWB & JIS Certificated Quality;

Full production line for customized products;

Close to Sea port, Convenient for visit and delivery;

100,000M2 Manufacturing Area capable to take large volume;

Built on strength, passion and a steady pulse, we’re creating tomorrow ’s Building today. We are Sunway Steel, and we’re fabricating the Future.