StructureCalcs89 x 89 x 3.5 SHS
Square Hollow Section · AS/NZS 1163 · Australia / New Zealand
89 x 89 x 3.5 SHS is a square hollow section 89 × 89 mm with a 3.5 mm wall, weighing 9.1 kg/m. The dimensions below are the published AS/NZS 1163 values; the drawing is generated from them.
Square Hollow Sections carry equal stiffness about both geometric axes, which makes them a natural column and truss-chord choice.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Overall depth, d | 89 mm | 3.50 in |
| Overall width, b | 89 mm | 3.50 in |
| Wall thickness, t | 3.5 mm | 0.138 in |
| Mass per metre | 9.1 kg/m | 6.1 lb/ft |
| Area, A | 1,155 mm² | 1.79 in² |
| Second moment, Ix | 1,379,250 mm⁴ | 3.3 in⁴ |
| Second moment, Iy | 1,379,250 mm⁴ | 3.3 in⁴ |
Derived section properties
Integrated from the section's own outline including its outside corner radii, whose arcs are integrated analytically rather than approximated by facets. For 89 x 89 x 3.5 SHS the computed area agrees with the published value to better than 0.01% and Ix to better than 0.01%. Where a value is also published, the published one above is the one to quote.
| Property | Value |
|---|---|
| Elastic modulus, Zx | 30,994 mm³ |
| Elastic modulus, Zy | 30,994 mm³ |
| Plastic modulus, Sx | 36,546 mm³ |
| Plastic modulus, Sy | 36,546 mm³ |
| Radius of gyration, rx | 34.6 mm |
| Radius of gyration, ry | 34.6 mm |
Z is the elastic modulus and S the plastic modulus, following AS 4100. Under AISC 360 the letters are reversed.
Neighbouring sizes
Where these numbers come from
Published AS/NZS 1163 values. How StructureCalcs verifies its numbers · Understanding steel section properties · Query this section over the API