Round, square and rectangular hollow steel sections from China. 1 12mm wall thickness, 6m standard lengths. ASTM A500 / EN 10219 compliant. Bulk export for construction and fabrication.

S.S.D Global Ltd supplies structural steel hollow sections, round tubes (CHS), square hollow sections (SHS), and rectangular hollow sections (RHS), manufactured by Electric Resistance Welding (ERW) from hot-rolled steel strip coils. Our steel tubes are used as structural columns, beams, bracing, purlins, gate frames, greenhouse structures, furniture frames, and mechanical supports. Available in outer diameters from 19mm to 300mm with wall thicknesses from 1.0mm to 12mm.
Standard mill lengths of 6m, 9m, and 12m are stocked, with cut-to-length services available. Surface options include black (as-rolled), hot-dip galvanized for outdoor corrosion protection, and pre-painted in standard colors. All hollow sections conform to ASTM A500, EN 10219, or JIS G3466 standards with mill test certificates. We bundle steel tubes in 2 to 5-ton packs for efficient container loading and supply full 20ft and 40ft containers at competitive FOB pricing.
| Profile | Round / Square / Rectangular |
| OD / Size | 19mm, 300mm |
| Wall Thickness | 1.0mm, 12mm |
| Length | 6m / 9m / 12m |
| Material | Q195 / Q235 / S235 / A500 |
| Surface | Black / Galvanized / Coated |
| Standards | ASTM A500, EN 10219, JIS G3466 |
| Packing | Bundle 2, 5 tons |
Competitive bulk pricing, FOB China or CIF your destination port.
📩 Get a Free Quote → 💬 WhatsApp: +86 13202858078Bulk supply from China, shipped worldwide.