AS/NZS 1163 covers cold-formed structural steel hollow sections. It is a premium product that meets the rigorous Australian/New Zealand Standards.
These hollow sections are made by cold forming and electric resistance welding. This ensures the best quality for structural use.
The steel hollow sections come in three strength grades. You can get them with or without impact properties. They are good for welding and form cold without heat treatment.
| Outside Diameter (mm) | Circular Hollow Sections Wall Thickness (mm) | ||||||
| OD | |||||||
| 42.2 | 3.2 | 4.0 | 4.9 | – | – | – | – |
| 48.3 | 3.2 | 4.0 | 5.4 | – | – | – | – |
| 60.3 | 3.6 | 4.5 | 5.4 | – | – | – | – |
| 76.1 | 2.3 | 3.2 | 3.6 | 4.5 | 5.9 | – | – |
| 88.9 | 2.6 | 3.2 | 4.0 | 4.8 | 5.0 | 5.5 | 5.9 |
| 101.6 | 2.6 | 3.2 | 4.0 | 5.0 | – | – | – |
| 114.3 | 3.2 | 3.6 | 4.5 | 5.4 | 4.8 | 6.0 | – |
| 139.7 | 3.0 | 3.5 | 5.0 | 5.4 | – | – | – |
| 165.1 | 3 | 3.5 | 5.0 | 5.4 | – | – | – |
| 168.3 | 4.8 | 6.4 | 7.1 | – | – | – | – |
| 219.1 | 4.8 | 6.4 | 8.2 | – | – | – | – |
| 273.1 | 4.8 | 6.4 | 9.3 | – | – | – | – |
| 323.9 | 6.4 | 9.5 | 12.7 | – | – | – | – |
| 355.6 | 6.4 | 9.5 | 12.7 | – | – | – | – |
| 406.4 | 6.4 | 9.5 | 12.7 | – | – | – | – |
| 457 | 6.4 | 9.5 | 12.7 | – | – | – | – |
| 508 | 6.4 | 9.5 | 12.7 | – | – | – | – |
| 610 | 6.4 | 9.5 | 12.7 | – | – | – | – |
| Size(mm) | Square Hollow Sections Wall Thickness (mm) | |||||
| 20 x 20 | 1.6 | – | – | – | – | – |
| 25 x 25 | 1.6 | 2.0 | 2.5 | 3.0 | – | – |
| 30 x 30 | 1.6 | 2.0 | – | – | – | – |
| 35 x 35 | 1.6 | 2.0 | 2.5 | 3.0 | – | – |
| 40 x 40 | 1.6 | 2.0 | 2.5 | 4.0 | – | – |
| 50 x 50 | 1.6 | 2.0 | 2.5 | 3.0 | 4.0 | – |
| 65 x 65 | 2.0 | 2.5 | 3.0 | – | – | – |
| 75 x 75 | 2.5 | 3.0 | 3.5 | 4.0 | 5.0 | 6.0 |
| 89 x 89 | 3.5 | 5.0 | 6.0 | – | – | – |
| 100 x 100 | 3.0 | 4.0 | 5.0 | 6.0 | 9.0 | – |
| 125 x 125 | 4.0 | 5.0 | 6.0 | 9.0 | – | – |
| 150 x 150 | 5.0 | 6.0 | 9.0 | – | – | – |
| 200 x 200 | 5.0 | 6.0 | 9.0 | – | – | – |
| 250 x 250 | 6.0 | 9.0 | – | – | – | – |
We have strict quality controls. They keep the chemical components intact. This gives you a product that works consistently and reliably.
| CHEMICAL COMPOSITION | |||||||||||
| Grades (see Note 1) | Chemical Composition (cast or product analysis) (see Note 2) % max. | ||||||||||
| C | Si | Mn | P | S | Cr | Mo | Al (see Note 3) | Ti | Micro-alloying elements | CE (see Note 4) | |
| C250, C250L0 | 0.12 | 0.05 | 0.50 | 0.03 | 0.03 | 0.15 | 0.10 | 0.10 | 0.04 | 0.03 (see Note 5) | 0.25 |
| C350, C350L0 | 0.20 | 0.25 | 1.60 | 0.03 | 0.03 | 0.30 | 0.10 | 0.10 | 0.04 | 0.15 (see Note 6) | 0.43 |
| C450, C450L0 | 0.20 | 0.25 (see Note 7) | 1.70 | 0.03 | 0.03 | 0.30 | 0.35 | 0.10 | 0.04 | 0.15 (see Note 6) | 0.43 |
| NOTES: 1 The use of sulphide modification manufacturing techniques for these grades is permitted. 2 The following elements may be present to the limits stated: (a) Copper 0 .25%. (b) Nickel 0 .25% . 3 Limits specified are for soluble or total aluminum. 4 Carbon equivalent (CE) is calculated from the following equation:
5 Applies to niobium and vanadium only. However, niobium greater than 0.010% is not permitted. | |||||||||||
Our quality control processes guarantee that these traits are kept during production. They give you a product that meets your project’s demands.
| TENSILE TEST REQUIREMENTS | ||||||||
| Grade | Minimum Yield StrengthMPa | Minimum Tensile StrengthMPa | Minimum Elongation as a Proportion of The Gauge Length of 5.65√So (see Note) % | |||||
| Circular Hollow Sections do/t | Rectangular Hollow Sections b/t, d/t | |||||||
| ≤15 | >15≤ 30 | >30 | ≤15 | >15 ≤30 | >30 | |||
| 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 |
| NOTE： These limits apply to the face from which the tensile test is taken. That is, for RHS, the use of b/t or d/t ratio is dependent on which face the test specimen is cut from. For SHS, there is only one ratio (as b = d). | ||||||||
| CHARPY V-NOTCH IMPACT TEST REQUIREMENTS | |||||||
| Grade | Test temperature°C | Minimum absorbed energy, J | |||||
| Size of test piece | |||||||
| 10 mm × 10 mm | 10 mm × 7.5 mm | 10 mm × 5 mm | |||||
| Average of 3 tests | Individual test | Average of 3 tests | Individual test | Average of 3 tests | Individual test | ||
| C250L0 C350L0 C450L0 | 0 | 27 | 20 | 22 | 16 | 18 | 13 |
With UNIASEN, you can be confident. The dimensions of your steel hollow sections are precise, consistent, and tailored to your specifications.
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