Steel Beam Calculator

1 Enter beam details

1.1 Enter steel beam span length

This demo version is fixed at 1 metre.
The full version allows precise spans up to any size.

The beam span is the distance between the centres of the supports

1.2 Select steel section

UK sections
Select steel grades: Help icon
European sections
Hot-finished hollow sections
Cold formed hollow sections
or
2 Enter load details
3 Restraints

3.1 Does the beam have lateral restraints? Help icon

4 Factors

4.1 Variable (imposed) load safety factor

Recommended value from EN 1990:2002+A1 Eurocode - Basis of structural design (UK National annex) is 1.5

4.2 Permanent (dead) load safety factor

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Recommended value from EN 1990:2002+A1 Eurocode - Basis of structural design (UK National annex) is 1.35

4.3 Moment distribution factor C1

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Recommended C1 value is 1. This is the most conservative, safe value and is recommended for general use.

5 Deflection limits

5.1 Variable action (imposed) deflection limit

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Usually Span / 360

5.2 Total variable (imposed) & permanent load deflection limit

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Usually Span / 200

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