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Structural stainless steel design tables published
03/04/2018
IMOA welcomes the publication by Team Stainless of stainless steel design tables, which will make it much easier and faster for engineers to design with structural stainless steel, thus removing a barrier to its specification.
The tables have been developed to complement the American Institute of Steel Construction (AISC) Design Guide DG27: Structural Stainless Steel. Published in 2013, DG27 specified AISC design recommendations for hot-rolled or welded structural austenitic, duplex and precipitation hardening stainless steel sections (i.e. 0.125 inch or 3 mm in thickness or greater). It includes open sections, such as I-beams, channels and angles, and rectangular and round hollow sections made from austenitic and duplex stainless steel. It also covers tension members, fittings and fasteners made from all three alloy families.
Sponsored by Team Stainless and published by the Steel Construction Institute (SCI), the tables cover the most common structural sections available in North America, giving section properties and member capacities in accordance with DG27.
Prior to the introduction of DG27, there was no formal AISC design guidance for using structural stainless steel sections in this size range. These new tables are the next logical step, as they enable designers to quickly select the appropriate structural members for their project, in the familiar format used for carbon steel in the AISC Steel Construction Manual.
The problem arising from the lack of design tables was compounded by the large number of shapes and sizes, and the lack of a standardized library, hence their introduction is expected to increase the use of structural stainless steel in a wide range of load-bearing applications.
The tables cover the use of W- and S- shapes, C- and MC-shapes, equal angles, and rectangular, square and circular hollow structural sections (HSS), and are available to download from www.steel-stainless.org/usdesigntables. AISC Steel Design Guide No.27: Structural Stainless Steel is available to download from www.aisc.org/Design-Guide-27-Structural-Stainless-Steel. A 3-hour AISC webinar provides an introduction to the design of structural stainless steel with DG27. www.aisc.org/education/continuingeducation/education-archives/designing-structural-stainless-steel/
General information for media
IMOA is a non profit trade association, representing the majority of the molybdenum industry worldwide. It works to raise awareness about the unique properties of molybdenum, its beneficial effects on materials performance, its safety in use and its contribution to sustainable development.
Molybdenum is added to alloy steels to improve strength, toughness, hardenability and weldability for numerous applications in the automotive, shipbuilding, construction, mining, chemical, oil & gas and energy generation industries. In stainless steels and superalloys, it improves corrosion resistance and high-temperature performance and finds uses in many industrial applications. It is also used in a variety of products from catalysts and lubricants to pigments and paint.
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