UB 686x254x170

Universal Beams · BS 4-1 / BS EN 10365

The UB 686x254x170 is a 692.9 mm deep, 255.8 mm wide universal beam with a mass of 170.2 kg/m, listed for United Kingdom (BS 4-1 / BS EN 10365).

Indicative properties - verify against the governing standard before professional use.

D 692.9 b 255.8 tw 14.5 tf 23.7
UB 686x254x170 cross-section (mm, to scale). Download DXF
Mass per metre 170.2 kg/m
Depth 692.9 mm
Flange width 255.8 mm
Web thickness 14.5 mm
Flange thickness 23.7 mm
Area 21,700 mm²
Second moment of area, Iₓ 1,700,000,000 mm⁴
Elastic modulus, Zₓ 4,920,000 mm³
Plastic modulus, Sₓ 5,630,000 mm³
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Frequently asked

How much does a UB 686x254x170 weigh?
A UB 686x254x170 has a mass of 170.2 kg/m (114.4 lb/ft).
What are the dimensions of a UB 686x254x170?
A UB 686x254x170 is 692.9 mm deep and 255.8 mm wide, with a 14.5 mm web and a 23.7 mm flange.
What is the section modulus of a UB 686x254x170?
Its elastic section modulus Zₓ is 4,920,000 mm³ and its plastic section modulus Sₓ is 5,630,000 mm³, about the major (x-x) axis.