Steel Joist Sizes

These joists easily handle spans that wood systems cannot handle while their lightweight construction makes them much less costly than steel beams.

Steel joist sizes. In structural engineering the open web steel joist owsj is a lightweight steel truss consisting in the standard form of parallel chords and a triangulated web system proportioned to span between bearing points. Generally available in 6 100 to 6 400 metre lengths although in certain sizes other lengths are available. Steel joists joist girders open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike. Standard specifications for k series lh series and dlh series open web steel joists and for joist girders sji 100 2020.

Commonly in grade 43a. 3 625 in w x 120 in l x 1 25 in d prostud 3 5 8 20 ga galvanized steel metal stud. The larger size in the description of the joist will be the length of it s web and the smaller size the length of its flange. For further information on mss purlins being used in this way please contact your local metalcraft roofing branch.

Mss floor joist metalcraft structural mss purlins can be used in a variety of applications one of those being as a floor joist. New millennium specialists can provide early design and engineering assistance to help your. We manufacture a complete range of special profile steel joist products including bowstring arched scissor double pitched and single pitched steel joists. Steel joist institute standard specifications load tables weight tables.

Joists are typically smaller than beams and tend to run parallel with them. Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs. The main function of an owsj is to provide direct support for roof or floor deck and to transfer the load imposed on the deck to the structural frame i e. Joists are lightweight supporting members that form long span support systems for the horizontal surfaces of a building namely roofs and floors by transferring their load onto columns and beams.

Standard steel joists and joist girders are crucial tried and true components of your roofing and flooring building system. Njr steel supplies bs en10025 2 s355 jr joists. Our joists and girders are engineered and manufactured in accordance with the specifications of the steel joist institute. Sizes grades in stock call if not listed mild steel joists.