|
ISO 657 Hot-rolled steel sections It is an ISO standard that specifies the tolerances for hot-finished circular, square and rectangular structural hollow sections and gives the dimensions and sectional properties for a range of standard sizes. This first edition as an International Standard constitutes 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. ==Amendments== *ISO 657-2:1989 *ISO 657-5:1976 *ISO 657-11:1980 *ISO 657-14:2000 * *Revisions * * *ISO/DIS 12633-2 * * *ISO 657-14:1982 *ISO 657-15:1980 *ISO 657-16:1980 *ISO 657-18:1980 *ISO 657-19:1980 *ISO 657-21:1983 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「ISO 657」の詳細全文を読む スポンサード リンク
|