Hollow Structural Sections (HSS) are versatile, high-strength metal profiles with hollow cross-sections—circular, square, or rectangular—widely used in construction and engineering for their superior strength-to-weight ratio, torsion resistance, and aesthetic appeal. Common types include RHS (Rectangular), SHS (Square), and CHS (Circular).
Key Aspects of Hollow Sections:
Types: Square (SHS), Rectangular (RHS), and Circular (CHS).
Fabrication: Available as hot-finished or cold-formed.
Advantages: Excellent structural, torsion, and bending resistance; lighter than solid alternatives; efficient for multi-storey columns, roof trusses, and machinery.
Applications: Structural frameworks, infrastructure, transport (rail/bus), and machinery.
Structure Steel Pipe/Tube,HOLLOW SECTION
Standard: ASTM A500, ASTM A53, EN10219, BS1387-1985, AS/NZS 1163
Material: Q195, Q215, Q235, Q345,C250,C350,C450, C250L0, C350L0, C450L0
Shape: Square and rectangular welded steel tube, pre-galvanized square and rectangular welded steel tube, hot-dipping galvanized square and rectangular welded steel tube
Specification: OD:10mm×10mm—-400mm×200mm
Wall thickness: 0.6mm-12mm
Surface treatment: Hot-dipping galvanized, pre-galvanized, oil coating, lacquering
AS/NZS 1163 Specification
NORTH STEEL, we carefully select and offer AS/NZS 1163 steel pipes in different strength grades, tailored to specific application scenarios. These steel pipes show excellent performance in ductility and toughness to meet the diverse needs of various structural and engineering projects. In addition, all grades of steel pipe under the AS/NZS 1163 standard are suitable for welding, which provides great flexibility and convenience for the project.
| Standard | AS/NZS 1163 | ||
| Procedure | SMLS, ERW (CHS) , HOLLOW SECTION (RHS, SHS) | ||
| Dimensions | 13.5mm -610mm | ||
| 20*20 – 400*400mm | |||
| Thickness | 2.3mm – 12.7mm | ||
| 1.6 – 16mm | |||
| Unit Length | Random: 4 – 16mtrs fixed length be specified at time of order. |
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| Steel Grade | C250, C250L0 | C350, C350L0 | C450, C450L0 |
| Surface Coating | NOPC. Varnishing, Oiling, Hot Dip Galvanizing | ||
| FBE, 2PP, 3PP, 2PE, 3PE | |||
| End Type | Square Cut, Plain, Bevelled, Threaded, Grooved | ||
| Joint Method | Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding | ||
| Pipe Machining | Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding | ||
