
Low Carbon Unalloyed Steels For Bolts, Nuts And Rivets - Technical Conditions Of Delivery
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Applies to the unalloyed low carbon steels listed in Table 1, up to 40mm product thickness max., which are not intended for a heat treatment (quenching and tempering) and for case hardening, and which are used for the hot or cold forming of bolts, nuts and rivets (and similar shaped pieces), in connection with which the strength requirements or the free-machining properties may predominate.
SNV DIN 17111:1980 - Identical