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UB 686×254×170 - Section Properties

The UB 686×254×170 is a universal beam with a mass of 170.2 kg/m, an overall depth of 692.9 mm and width of 255.8 mm. It has a cross-sectional area of 217 cm², a second moment of area Iᵧ of 170000 cm⁴, a plastic modulus Wₚₗ,ᵧ of 5630 cm³, to BS EN 10365:2017 (SCI P363 Blue Book).

Mass
170.2 kg/m
Depth
692.9 mm
Width
255.8 mm
Area
217 cm²
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UB 686×254×170 section profile
mass (kg/m)170.2
h (mm)692.9
b (mm)255.8
tw (mm)14.5
tf (mm)23.7
Iy (cm⁴)170000
Iz (cm⁴)6630
iy (cm)28
iz (cm)5.53
Wel,y (cm³)4920
Wel,z (cm³)518
Wpl,y (cm³)5630
Wpl,z (cm³)811
u0.872
X31.8
Iw (dm⁶)7.42
It (cm⁴)308
A (cm²)217
SA/m (m²/m)2.35
SA/t (m²/t)13.8

Related UB sizes

UB 762×267×197UB 762×267×173UB 762×267×147UB 762×267×134UB 686×254×152UB 686×254×140UB 686×254×125UB 610×305×238

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📘 How to read a steel section table (UB, UC, IPE, HE)📘 Section modulus explained: elastic (Wel) vs plastic (Wpl)📘 IPE vs HE (HEA/HEB): choosing a European steel beam
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