StructureCalcs75 x 75 x 2.0 SHS
Square Hollow Section · AS/NZS 1163 · Australia / New Zealand
75 x 75 x 2.0 SHS is a square hollow section 75 × 75 mm with a 2.0 mm wall, weighing 4.5 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 | 75 mm | 2.95 in |
| Overall width, b | 75 mm | 2.95 in |
| Wall thickness, t | 2.0 mm | 0.079 in |
| Mass per metre | 4.5 kg/m | 3.0 lb/ft |
| Area, A | 574 mm² | 0.89 in² |
| Second moment, Ix | 504,886 mm⁴ | 1.2 in⁴ |
| Second moment, Iy | 504,886 mm⁴ | 1.2 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 75 x 75 x 2.0 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 | 13,464 mm³ |
| Elastic modulus, Zy | 13,464 mm³ |
| Plastic modulus, Sx | 15,609 mm³ |
| Plastic modulus, Sy | 15,609 mm³ |
| Radius of gyration, rx | 29.7 mm |
| Radius of gyration, ry | 29.7 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