Roll Formed Steel Beams

Hence these sections are recently used as beams and joists in buildings. Boxspan is a roll formed beam manufactured from two c shaped sections of high tensile zinc coated steel mechanically locked together with a patented process. Preferably the cold rolled steel beam is cold formed from a unitary piece of sheet steel.

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Types of roll form.

Roll formed steel beams.

After the steel has been punched the steel is sent through rollers which shape the steel and give it the shape it requires for strength. Us20120328898a1 roll formed steel beam google patents roll formed steel beam download pdf info publication number us20120328898a1. Steel king roll formed teardrop step beams. Roll formed beam pin connectors and safety locking mechanism provides an automatic engagement when the beam drops firmly into place on the roll formed upright column.

Boltless assembly auto engaging safety clips resist beam disengagement and provide an audible click when secured. Roll formed beams can be installed slightly faster than structural beams plus there is nothing to forget or misplace as no bolts or loose parts are required. While it is flat the steel is processed through a punch that punches the holes which will later be used to attach the beams. Roll form rack starts as a coil of steel.

However the vulnerability of aluminium in buckling due to low elastic modulus compared to steel and increased web slenderness of lcbs have raised the issues. The popularity of roll formed aluminium lcb has increased due to the efficiency and design of these sections. The result a 40 60 lighter beam with the strength of steel and the versatility of timber. Teardrop step beams have teardrop and rivet design with heavy duty connection plates that allow easy installation and greater connection integrity.

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