steel beam/I-beam

how much 1tonne of steel beam in cubic metre?

1tonne=?
@
1 cubic metre=?

[JohnS]

Originally Posted by Unregistered

how much 1tonne of steel beam in cubic metre?

1tonne=?
@
1 cubic metre=?

The density varies slightly with grade of steel, but is around 7.85 - 7.9 g/cm³, or t/m³.

You have to compute the volume of steel in the beam from cross-sectional area times length. If you take the "boxed" volume, length x width, x height, you'll get a figure you can't use.