Product Features

• Cold-drawn or high-frequency welded forming creates a regular rectangular hollow section with uniform wall thickness.
• Multiple materials and rich dimensions support non-standard length, width, and wall-thickness customization.
• Straight sides and regular corners make cutting, drilling, bending, and welding easy.
• Hollow structure reduces weight while maintaining strong load capacity and stable assembly performance.

Common 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: Standard sizes and oversized, ultra-thin, or extra-wide custom dimensions available
• Surface: Black, pickled, hot-dip galvanized, or painted anti-corrosion finish
• Processing: Cut-to-length, beveling, punching, bending, and other deep processing available

Applications

• Factory frames, equipment supports, guardrail posts, platforms, and curtain-wall framing
• Door/window frames, landscape railings, sunrooms, and outdoor special-shaped structures
• Warehouse racks, machinery frames, and conveyor supports
• Road guardrails, footbridges, and small load-bearing municipal structures