Abstract
This first edition as an International Standard constitues a technical revision of ISO Recommendation R 657-1:1968. ISO 657 consists of 21 parts integrating any shapes of sections. ISO 657-1 specifies dimensions of hot-rolled equal-leg angles.
General information
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Status: PublishedPublication date: 1989-08Stage: International Standard to be revised [90.92]
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Edition: 1Number of pages: 4
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Technical Committee :ISO/TC 17/SC 3ICS :77.140.70
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Life cycle
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Now
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Will be replaced by
Under developmentISO/CD 657-1