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ISO/DIS 4948-1:2025

Steels — Classification
Part 1: Classification of steels based on chemical composition

Summary

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.

Notes

40.00 : DIS enregistré

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 12/08/2025
Edition 2
Page Count 5
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Weight (in grams) ---