Abstract
This part of ISO 4948 defines steel and gives 2.0 % carbon as the usual dividing line between steel and cast iron. The classification based on the specified values for the ladle analyses of the elements given in the table.
Next version under development

Draft
International StandardISO/DIS 4948-1
Steels — Classification — Part 1: Classification of steels based on chemical composition
Reference number
ISO/DIS 4948-1
ISO/DIS 4948-1
Edition 1
© ISO 2026
Draft International Standard
ISO/DIS 4948-1
Steels — Classification
Part 1: Classification of steels based on chemical composition
ISO/DIS 4948-1
ISO/DIS 4948-1
91226
CHF
67
Life cycle
-
Now
-
Will be replaced by
Under developmentISO/DIS 4948-1