127x76 UB — Sizes, Dimensions & Properties
1 sizes in the 127x76 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) | Zxx (cm3) | Sxx (cm3) | rxx (cm) | ryy (cm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 127x76x13 | 13 | 127 | 76 | 4 | 7.6 | 16.5 | 473 | 55.7 | 74.6 | 84.2 | 5.35 | 1.84 |
127x76x13 UB
- Designation
- 127x76x13
- Serial Size
- 127x76
- Mass per Metre
- 13 kg/m
- Depth of Section (h)
- 127 mm
- Width of Section (b)
- 76 mm
- Web Thickness (tw)
- 4 mm
- Flange Thickness (tf)
- 7.6 mm
- Root Radius (r)
- 7.6 mm
- Depth Between Fillets (d)
- 96.6 mm
- Local Buckling Ratio d/tw
- 24.2
- Local Buckling Ratio cf/tf
- 5
- Second Moment of Area Ixx
- 473 cm4
- Second Moment of Area Iyy
- 55.7 cm4
- Elastic Modulus Zxx
- 74.6 cm3
- Elastic Modulus Zyy
- 14.7 cm3
- Plastic Modulus Sxx
- 84.2 cm3
- Plastic Modulus Syy
- 22.6 cm3
- Radius of Gyration rxx
- 5.35 cm
- Radius of Gyration ryy
- 1.84 cm
- Cross-Sectional Area
- 16.5 cm2
- Buckling Parameter (u)
- 0.895
- Torsional Index (x)
- 16.3
- Warping Constant (Iw)
- 0.00199 dm6
- Torsional Constant (It)
- 2.85 cm4
- Surface Area per Metre
- 0.537 m2/m
- Surface Area per Tonne
- 41.4 m2/t
127x76 UB — Overview
The 127x76 serial size group contains 1 section, ranging from 13 kg/m to 13 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.