19/30406064 DC

This standard 19/30406064 DC BS ISO 4948. Classification of steel based on chemical composition is classified in these ICS categories:

• 77.080.20 Steels

This international standard provides guidance on the classification of the grades of steel included in the product standards of and addressed by TC17 and its subcommittees. These grades may include but are not limited to non-alloy and alloy steels.

The terms, special and quality steels are nowadays outdated. Nevertheless, they are used in standards and the market. And therefore they can be found in Annex A.