Product Overview
SPA-C Corten Steel Square Pipe is a high-performance structural material widely used in modern architecture, bridges, ports, and power transmission projects.

Manufactured with advanced alloying techniques and precise heat treatment, SPA-C square pipes provide outstanding weather resistance, excellent mechanical properties, and reliable weldability, making them an ideal choice for long-lasting and cost-effective engineering solutions.
Specifications
| Specification | Range / Options |
|---|---|
| Outside Diameter | 6.0 – 2500 mm (1/8" – 100") |
| Wall Thickness | 0.1 – 230 mm (SCH10S – XXS) |
| Length | 5.8 m, 6 m, 8 m, 11.8 m, 12 m, or customized |
Key Features
Superior Weather Resistance: Forms a protective oxide layer that resists atmospheric corrosion, extending service life and reducing maintenance needs.
High Mechanical Strength: Excellent toughness and wear resistance ensure structural stability under complex loads.
Excellent Weldability: Supports various welding processes with high-quality weld seams for structural safety.
Eco-Friendly & Cost-Saving: Produced with environmentally friendly processes; long durability lowers repainting and maintenance costs.
Production Process
SPA-C Corten Steel Square Pipes are produced through strictly controlled steps including raw material preparation, hot rolling, heat treatment, surface treatment, and quality inspection.
Every stage ensures compliance with international standards and customer-specific requirements.
Applications
Architecture: Exterior walls, roofs, canopies, decorative facades.
Bridges: Bridge piers, decks, and guardrails requiring durability and safety.
Ports: Structural supports and guardrails resistant to seawater corrosion.
Power Transmission: Transmission towers and cable supports ensuring stability and reliability.
Material Options
| Category | Grades |
|---|---|
| Carbon Steel | 20#, 20G, STPT410, STF410, A106 Gr.B/C, A178C/D, P265GH, A53 Gr.B, A135 Gr.B, P265TR1, P265TR2, STPT480, A210C, Q195, Q235, Q345, ST35.8, ST45.8, ST52, etc. |
| API Steel | Gr.B, X42, X46, X52, X60, X65, X70, X80, X100, etc. |
With growing emphasis on sustainability and durability, SPA-C Corten Steel Square Pipes are expected to play an even greater role in future infrastructure and green building projects, combining aesthetics with long-term performance.
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