Mass3.53kg/m
A450mm²
Ix0.00110⁶ mm⁴
Zx0.510³ mm³
Dimensions
| Parameter | Symbol | Value | Unit | Data |
|---|---|---|---|---|
| Width | b | 75.0 | mm | U |
| Thickness | t | 6.0 | mm | U |
Section Properties
| Parameter | Symbol | Value | Unit | Data |
|---|---|---|---|---|
| General | ||||
| Mass per metre | mass | 3.53 | kg/m | C |
| Gross area | A | 450 | mm² | C |
| About x-axis (major) | ||||
| Second moment of area IxBending about the minor (thickness) axis | Ix | 0.001 | 10⁶ mm⁴ | C |
| Elastic section modulus Zx (min) | Zx | 0.5 | 10³ mm³ | C |
| Radius of gyration rx | rx | 1.7 | mm | C |
| About y-axis (minor) | ||||
| Second moment of area IyBending about the major (width) axis | Iy | 0.211 | 10⁶ mm⁴ | C |
| Elastic section modulus Zy (min) | Zy | 5.6 | 10³ mm³ | C |
| Radius of gyration ry | ry | 21.7 | mm | C |
| Torsion & warping | ||||
| Torsion constant Jbt³/3·(1−0.63t/b) | J | 0.005 | 10⁶ mm⁴ | C |
| Surface area | ||||
| External surface area | extArea | 0.162 | m²/m | C |
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 = 6.0 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.