Standards Development
This British Standard gives methods for assessing the fatigue life of parts of steel products that are subject to repeated fluctuations of stress. It is applicable to all areas of industrial application that are not covered by other British Standards containing fatigue assessment rules.
NOTE Some British Standards have specific product acceptance tests for fatigue life, but do not have assessment rules. In such cases the guidance in this British Standard might be applicable for product development purposes.
Since its last revision in 2014 and proceeding amendment in 2015. Work has been undertaken to provide better advice on the bending correction factor, which were tabled until the next revision. In addition to this, a complete re-analysis of all butt weld data with the emphasis of adding new data utilizing modern techniques, is currently being undertaken. This is a major activity providing industry with updated recommendations on one of the most commonly used welded joints. Furthermore, a new feature of the Standard, is the provision of parent material S-N data.
Editorial corrections have been identified by the members and users of the Standard. In addition to this, users expressed a need for clarity on a number of the items covered such as bolts, Miner's rule and small stress ranges.
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