High-Strength Structural Tubing for Modern Construction
Key Features
Dual Grades Available
GRB – Good balance of strength & formability for general structures
GRC – Higher strength for heavy loads, seismic zones, and long spans
ASTM A500 Compliance
Strict control over tolerances, straightness, twist, and surface quality.
Cold-Formed & High-Frequency Welded
Precision dimensions, sharp corners, excellent weldability and machinability..
Typical Applications
Energy & Municipal Engineering
Solar PV mounting systems – support structures for ground-mounted and rooftop solar panels
Power transmission towers – cross arms and web members of lattice towers
Industrial Equipment & Automation
Automated warehouses – uprights and beams for high-bay racking systems
Robotic workstations – robot bases, safety fences, electrical cabinet brackets
Transportation & Agricultural Machinery
Trailers & flatbed trucks – main chassis rails, side beams, cross members
Farm implement structures – seeder frames, trailer chassis, grain dryer supports
Special & Temporary Structures
Mobile staging & lighting trusses – temporary performance trusses, lighting suspension bars
Billboards & signposts – roadside sign supports, directional sign poles
Mechanical Properties (Typical)
| Grade | Yield Strength (min) | Tensile Strength (min) |
|---|---|---|
| GRB | 315 MPa (45.7 ksi) | 400 MPa (58 ksi) |
| GRC | 345 MPa (50 ksi) | 425 MPa (61.6 ksi) |
Refer to latest ASTM A500 for official values.
Available Sizes
Outer diameter：10×10 mm up to 600×600 mm
Wall thickness：0.5 mm – 20 mm
Length：6 m / 12 m or custom
Coating: oil, galvanized, coating
Some sizes may vary by grade – contact us for exact availability.
Products advantages
✅ Large stock in common dimensions
✅ Custom processing – cutting, drilling, bending, sandblasting, painting
✅ Full traceability – Mill test certificates (MTC) available
✅ Export-ready – seaworthy packing & fast delivery
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