30.20 CD study/ballot initiated Oct 30, 2024
ISO
ISO/TC 17/SC 3 Steels for structural purposes
International Standard
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.
PUBLISHED
ISO 657-1:1989
PUBLISHED
ISO 657-2:1989
PUBLISHED
ISO 657-5:1976
PUBLISHED
ISO 657-11:1980
PUBLISHED
ISO 657-15:1980
IN_DEVELOPMENT
ISO/CD 657-1
30.20
CD study/ballot initiated
Oct 30, 2024