Orrcon Steel is a Bluescope company
Circular Hollow Section
Orrcon Steel Distribution Pty Ltd stocks circular hollow sections in sizes ranging from 25.4mm OD up to 610mm OD.* Our Circular Hollow Sections are manufactured to the Australian Standard for structural steel hollow section AS/NZS 1163 and cover steel grades C250L0, C350L0 and C450L0 .
A variety of surface finishes are available across our range of structural tubulars. Not all finishes and grades are available in all sizes.
* Please note that some gauges & diameters within this range are sourced from pre-qualified suppliers - which may involve longer lead times. Sizes outside this range are available (subject to enquiry).
- Painted (PTD)
- Oiled
- Hot Dipped Galvanised
- ALLGAL®
- [◆] Denotes tensile strength exceeds AS 1074 specification.
- Non standard sizes, surface finishes and lengths available subject to enquiry. Minimum order quantities (MOQ’s) apply.
- NOPC & OILED available subject to enquiry.
- Pipe to be used for low pressure water/gas reticulation is manufactured to meet AS 1074.
| Standard | Grade* | Yield Strength | Tensile Strength | CHS | RHS & SHS | ||||
| MPa (min) | MPa (min) | <15 | 15-30 | >30 | <15 | 15-30 | >30 | ||
|---|---|---|---|---|---|---|---|---|---|
| AS/NZS 1163 | C250/C250L0 | 250 | 320 | 18 | 20 | 22 | 14 | 16 | 18 |
| C350/C350L0 | 350 | 430 | 16 | 18 | 20 | 12 | 14 | 16 | |
| C450/C450L0 | 450 | 500 | 12 | 14 | 16 | 10 | 12 | 14 | |
