90.20 Standard under periodical review Jul 15, 2026
ISO
ISO/TC 5/SC 1 Steel tubes
International Standard
23.040.10 Iron and steel pipes
Published
This part defines the most common symbols with the aim of standardizing and facilitating the use of terminology in standards for steel hollow sections and associated products. Five figures illustrate the meaning of the text.
WITHDRAWN
ISO 3545:1981
PUBLISHED
ISO 3545-2:1989
90.20
Standard under periodical review
Jul 15, 2026
ABANDON
ISO/DIS 3545