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.
Document identifier
ISO 657-1:1989
Title
Hot-rolled steel sections - Part 1: Equal-leg angles - Dimensions
ISO Category
TC 17: Steel
Publication date
1989-08-01
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