China Yuantai Rectangular Steel Tube Factory

The Black Steel Rectangular Steel Tube manufactured by Yuantai Derun is a high-performance structural steel solution designed to meet the needs of modern construction, engineering, and industrial fabrication projects. With its optimized rectangular geometry, excellent mechanical properties, and wide customization options, this product delivers outstanding reliability for both standard and complex applications.

Produced using advanced forming and welding technologies, the tube ensures consistent wall thickness, strong weld seams, and stable dimensional accuracy. Its black steel surface condition makes it suitable for further processing, coating, or direct use in structural assemblies.

● High Structural Strength: Designed to withstand heavy loads, vibration, and long-term service stress.

● Precision Manufacturing: Tight dimensional tolerances improve assembly efficiency and structural consistency.

● Flexible Length Customization: Lengths can be produced according to customer drawings or project requirements.

● Multiple Processing Services Available: Reduces secondary fabrication time and total project cost.

● Wide Steel Grade Selection: Supports multiple international standards to match local engineering codes.

Yuantai Derun offers a complete range of value-added processing services to enhance project efficiency:

1.Cutting to exact length

2.Punching and slotting

3.Bending and forming

4.Welding and assembly

5.Corner heating for shape optimization

These services allow customers to receive semi-finished or ready-to-install components directly from the factory.

The Black Steel Rectangular Steel Tube can be customized into different shapes:

● Right-angled Rectangular Steel Tubes for traditional structural use

● Arc-angle Rectangular Steel Tubes for special load distribution or architectural design

Four-corner heating technology is applied to ensure uniform corner thickness and enhanced strength.

The production process includes:

1.Direct forming technology

2.Round-to-rectangular transformation

3.Round-first-then-square forming

Each method is selected based on size, wall thickness, and mechanical requirements to ensure optimal performance.

● Load-bearing steel frames

● Industrial plant structures

● Equipment support systems

● Warehouses and logistics facilities

● Infrastructure and public works

With 18 subsidiaries, over 1,600 acres of production facilities, and international certifications including ISO, CE, JIS, and BV, Yuantai Derun ensures consistent quality, large-scale supply, and dependable delivery for global customers. Technical consultation and customized quotations are always available.