Specifies the characteristics of thick-walled seamless steel bars intended for the manufacture of tubular and annular machined parts.Gives designation for the order, tabulates chemical composition and mechanical properties as well as nominal dimensions ranging from 32 mm up to and including 250 mm (outside diameter).

General information

  • Status :  Withdrawn
    Publication date : 1974-05
  • Edition : 1
    Number of pages : 4
  • :
    ISO/TC 5/SC 1
    Steel tubes
  • 77.140.60
    Steel bars and rods

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.