180x75 PFC — Sizes, Dimensions & Properties
1 sizes in the 180x75 serial size group. All dimensions in mm, section properties in cm units.
| Designation | Mass (kg/m) | h (mm) | b (mm) | tw (mm) | tf (mm) | A (cm2) | Ixx (cm4) | Iyy (cm4) | cy (mm) |
|---|---|---|---|---|---|---|---|---|---|
| 180x75x20 | 20.3 | 180 | 75 | 6 | 10.5 | 25.9 | 1,370 | 146 | 24.1 |
180x75x20 PFC
- Designation
- 180x75x20
- Serial Size
- 180x75
- Mass per Metre
- 20.3 kg/m
- Depth of Section (h)
- 180 mm
- Width of Section (b)
- 75 mm
- Web Thickness (tw)
- 6 mm
- Flange Thickness (tf)
- 10.5 mm
- Root Radius (r)
- 12 mm
- Depth Between Fillets (d)
- 135 mm
- Local Buckling Ratio d/tw
- 22.5
- Local Buckling Ratio cf/tf
- 7.14
- Second Moment of Area Ixx
- 1,370 cm4
- Second Moment of Area Iyy
- 146 cm4
- Elastic Modulus Zxx
- 152 cm3
- Elastic Modulus Zyy
- 28.8 cm3
- Plastic Modulus Sxx
- 176 cm3
- Plastic Modulus Syy
- 52 cm3
- Radius of Gyration rxx
- 7.27 cm
- Radius of Gyration ryy
- 2.38 cm
- Cross-Sectional Area
- 25.9 cm2
- Torsional Constant (It)
- 7.34 cm4
- Warping Constant (Iw)
- 0.00754 dm6
- Centroid Distance cy
- 24.1 cm
- Surface Area per Metre
- 0.638 m2/m
- Surface Area per Tonne
- 31.4 m2/t
180x75 PFC — Overview
The 180x75 serial size group contains 1 section, ranging from 20.3 kg/m to 20.3 kg/m. All sections in this group share the same nominal depth and width but differ in web and flange thickness, which affects the weight and structural capacity.
Section properties are sourced from the Tata Steel Blue Book / SCI P363. For structural design to BS EN 1993-1-1 (Eurocode 3), use these properties with the appropriate partial factors from the UK National Annex.
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Section properties from Tata Steel Blue Book / SCI P363 / BS 4-1:2005.