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Overview of Product Range Within this System Type
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"This section is a guide to the range of products available in light gauge steel framing. It is intended to be used by home builders, developers, engineers, and general users of light gauge steel framing. It covers applications such as studs, purlins, rafters, joists and for use in such constructions as steel roof trusses and panelized wall assemblies." (Homesteel) It demonstrates the different types of materials, different ways of configuring those materials, and different production/assembly approaches. |
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Production/Assembly approaches:
Steel framing members are manufactured by a cold forming process in which strips of coated sheet steel are put through a series of roll forming dies which shape the sheet into the desired profile, usually a "C" shape. The thickness of the sheet can be varied to meet the structural requirements and the length is cut precisely to order. The manufacturing process automatically punches regularly spaced holes into the center of the section to accommodate the installation of bridging and electrical or other services. (Homesteel)
Steel laying flat by itself is structurally very weak, but by adding the "C" shape very strong and very light structures are achievable.
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Materials:
The materials used in light grade steel framing must meet specific standards. ASTM1 A653, the specification for steel sheeting, is the most common structural quality used. The steel is also available in a variety of thicknesses. It can range from 0.018 to 0.105 inches. The thickness requested by a developer represents the minimum thickness present in each unit. Not only is it available in a variety of thicknesses but also strength levels. Different coats are available. (Homesteel)
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| 1 : known as the American Society for Testing and Materials, is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. |
REFERENCE:
| Homesteel, "An Introduction to Residential Steel Framing." Canadian Sheet Steel Building Institute DEC 1994 2-17. 8 Oct 2008 <www.cssbi.ca/Eng/_pdf/CSSBI-54-94.pdf>. |
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