Orrcon Steel distributes and manufactures rectangular hollow sections ranging from 38x25mm to 400x300mm.* Our Rectangular Hollow Sections are manufactured to the Australian Standard for structural steel hollow section AS/NZS 1163 and cover steel grades C250L0 and C350L0.
A variety of surface finishes are available across our range of structural tubulars, but not all finishes are available in all sizes. Orrcon Steel also provides additional services including Jet rolling, MINIPAK®, laser tube cutting, pack cutting, pipe threading, shouldering and roll grooving. * 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).
| Size dxb (mm) | Nom. Thick (mm) | Length (mm) | PTD* | ALLGAL* | MAXI-TUBE* | Nom. Linear Mass (Kg/m) | Nom. m/Tonne | Lengths /Pack | Lengths /MiniPak |
|---|---|---|---|---|---|---|---|---|---|
| 20 x 20 | 1.6 | 6500 | ✓ | ✓ | ✓ | 0.87 | 1146 | 100 | 49 |
| 25 x 25 | 1.6 | 6500 | ✓ | ✓ | ✓ | 1.12 | 890 | 100 | 49 |
| 25 x 25 | 2 | 6500 | ✓ | ✓ | ✓ | 1.36 | 733 | 100 | 49 |
| 25 x 25 | 2.5 | 6500 | ✓ | ✓ | ✓ | 1.64 | 610 | 100 | 49 |
| 25 x 25 | 3 | 6500 | ✓ | ✓ | ✓ | 1.89 | 529 | 100 | 49 |
| 100 x 100 | 2 | 8000 | ✓ | ✓ | ✓ | 6.07 | 165 | 20 | 12 |
| 100 x 100 | 2.5 | 8000 | ✓ | ✓ | ✓ | 7.53 | 133 | 20 | 12 |
| 100 x 100 | 3 | 8000 | ✓ | ✓ | ✓ | 8.96 | 112 | 20 | 9 |
| 100 x 100 | 4 | 8000 | ✓ | ✓ | ✓ | 11.63 | 86 | 16 | 9 |
| 100 x 100 | 5 | 8000 | ✓ | ✓ | ✓ | 14.24 | 70 | 12 | 6 |
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Notes
- Some 5.0mm ALLGAL sections available ex-rollings. Minimum order quantities (MOQ) apply.
- Non standard sizes, surface finish and lengths available, subject to enquiry. Minimum order quantities (MOQ) apply.
- C450L0 grade available for some sizes subject to enquiry. Minimum order quantities (MOQ) apply.
- NOPC & OILED available upon enquiry.
- Please contact your local Orrcon Steel Distribution Centre for MAXI-TUBE® products.
Standard Tolerances
| Standard | Grade* | Yield Strength | Tensile Strength | CHS | RHS & SHS | ||||
| MPa (min) | MPa (min) | <15 | 15-30 | >30 | <15 | 15-30 | >30 | ||
|---|---|---|---|---|---|---|---|---|---|
| AS1163 | 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 | |
AS1163 Dimensional Tolerance
| Characteristic | Pipe (CHS) | Rectangular & Square (RHS / SHS) | |
|---|---|---|---|
| External dimensions (d, b, d0) | ±1% with minimum of ±0.5mm& maximum ±10% | ±1% with minimum of ±0.5mm | |
| Thickness (t) | d≤406.4mm | ±10% | ±10% |
| d>406.4mm | ±10% with max of ±2mm | ||
| All Sections has a mass not less than 96% of specified nominal mass | |||
AS1163 Shape Tolerances
| Characteristic | All Sections | |
|---|---|---|
| Corner Radius ≤50x50mm equivalent perimeter | 1.5t to 3t | |
| Corner Radius >50x50mm equivalent perimeter | 1.8t to 3t | |
| Twist (v) | ≤2mm ±0.5mm/m length | |
| Concavity / Convexity | Max 0.8% or 0.5mm, whichever is greater | |
| Squareness | 90 ± 1° | |
| Pipe (CHS) | Rectangle & Square (RHS/SHS) | |
| Straightness | 0.20% of total length | 0.15% of total length0.15% of total length |