ISO 4948-1:1982 Preview
Steels -- Classification -- Part 1: Classification of steels into unalloyed and alloy steels based on chemical composition
This standard was last reviewed and confirmed in 2014. Therefore this version remains current.
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.
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