Section beam
# Section beam

Section Beams are made of steel and they have a specific lengths and shapes like I-beam, L, C-channel and I flanged beam. These types of section are usually used in steel structures and it is common to connect them with plates of steel.

## Joints

There are three connection types:

* Rivets
* Bolts
* Welding

Rivets are the strongest and most common type.

## Safety

There are some calculation methods to determine whether the design and construction of the truss is safe.

