NA 021
DIN Standards Committee Iron and Steel
Project
Steels - Classification - Part 1: Classification of steels into unalloyed and alloy steels based on chemical composition
Begin
2025-01-09
Planned document number
ISO/AWI 4948-1
Responsible national committee
NA 021-00-19-01 UA - Classification, designation and numbering of steels
Responsible international committee
ISO/TC 17/WG 30 - Revision of ISO 4948-1