Mass37.29kg/m
A4,750mm²
Ix55.58710⁶ mm⁴
Zx434.310³ mm³
Dimensions
| Parameter | Symbol | Value | Unit | Data |
|---|---|---|---|---|
| Depth | d | 256.0 | mm | U |
| Flange width | bf | 146.0 | mm | U |
| Flange thickness | tf | 10.9 | mm | U |
| Web thickness | tw | 6.4 | mm | U |
| Root radius | r1 | 8.9 | mm | U |
Section Properties
| Parameter | Symbol | Value | Unit | Data |
|---|---|---|---|---|
| General | ||||
| Mass per metre | mass | 37.29 | kg/m | C |
| Gross area | A | 4,750 | mm² | C |
| About x-axis (major) | ||||
| Second moment of area Ix | Ix | 55.587 | 10⁶ mm⁴ | C |
| Elastic section modulus Zx (min) | Zx | 434.3 | 10³ mm³ | C |
| Plastic section modulus Sx | Sx | 485.7 | 10³ mm³ | C |
| Radius of gyration rx | rx | 108.2 | mm | C |
| About y-axis (minor) | ||||
| Second moment of area Iy | Iy | 5.661 | 10⁶ mm⁴ | C |
| Elastic section modulus Zy (min) | Zy | 77.5 | 10³ mm³ | C |
| Plastic section modulus Sy | Sy | 118.9 | 10³ mm³ | C |
| Radius of gyration ry | ry | 34.5 | mm | C |
| Torsion & warping | ||||
| Torsion constant JApproximate thin-walled value, fillets neglected | J | 0.147 | 10⁶ mm⁴ | C |
| Warping constant IwIy·(d−tf)²/4 | Iw | 85.02 | 10⁹ mm⁶ | C |
| Surface area | ||||
| External surface area | extArea | 1.068 | m²/m | C |
Nominal designation mass 37.30 kg/m; calculated 37.29 kg/m (-0.0%).
Steel Grades
| Grade | Standard | fy MPa | fu MPa | Note | Data |
|---|---|---|---|---|---|
| 300 | AS/NZS 3679.1:2016 | 320 | 440 | Typical grade supplied – confirm availability with supplier | U |
Strengths shown for governing thickness t = 10.9 mm. Density 7850 kg/m³, E = 200 000 MPa.
Source & Verification
- Source publisher
- Pending verification – nominal dimensions entered by the application developer
- Source document
- AS/NZS 3679.1:2016 Structural steel – Hot-rolled bars and sections
- Edition
- 2016
- Publication year
- 2016
- Page reference
- —
- Last updated
- 2026-10-12
- Verification status
- Unverified
Nominal dimensions require verification against the current edition of the product standard and the manufacturer catalogue before design use. Properties are calculated by this application from the nominal dimensions.