StructureCalcs250 x 150 x 9.0 RHS
Rectangular Hollow Section · AS/NZS 1163 · Australia / New Zealand
250 x 150 x 9.0 RHS is a rectangular hollow section 250 × 150 mm with a 9.0 mm wall, weighing 51.8 kg/m. The dimensions below are the published AS/NZS 1163 values; the drawing is generated from them.
Rectangular Hollow Sections combine one strong axis with clean flat faces for connections, and resist torsion far better than open sections of similar mass.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Overall depth, d | 250 mm | 9.84 in |
| Overall width, b | 150 mm | 5.91 in |
| Wall thickness, t | 9.0 mm | 0.354 in |
| Mass per metre | 51.8 kg/m | 34.8 lb/ft |
| Area, A | 6,598 mm² | 10.23 in² |
| Second moment, Ix | 53,688,914 mm⁴ | 129.0 in⁴ |
| Second moment, Iy | 24,332,525 mm⁴ | 58.5 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 250 x 150 x 9.0 RHS 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 | 429,511 mm³ |
| Elastic modulus, Zy | 324,434 mm³ |
| Plastic modulus, Sx | 533,097 mm³ |
| Plastic modulus, Sy | 375,103 mm³ |
| Radius of gyration, rx | 90.2 mm |
| Radius of gyration, ry | 60.7 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