This document specifies the calculation and design of cold and hot wound cylindrical helical torsion springs of linear characteris ics made from round wires and bars, of constant diameter having the values in Table 1.
NF E25-106-3*NF EN 13906-3:2014 Referenced Document
EN 10089 Hot-rolled steels for quenched and tempered springs - Technical delivery conditions*， 2024-04-20 Update
EN 10270-1 Steel wire for mechanical springs - Part 1: Patented cold drawn unalloyed spring steel wire*， 2024-02-28 Update
EN 10270-2 Steel wire for mechanical springs - Part 2: Oil hardened and tempered spring steel wire*， 2024-04-20 Update
EN 10270-3 Steel wire for mechanical springs - Part 3: Stainless spring steel wire*， 2024-04-20 Update
EN 12166 Copper and copper alloys - Wire for general purposes*， 2016-07-01 Update
EN ISO 26909 Springs - Vocabulary (ISO 26909:2009)
ISO 26910-1 Springs — Shot peening — Part 1: General procedures*， 2023-09-01 Update
NF E25-106-3*NF EN 13906-3:2014 history
2014NF E25-106-3*NF EN 13906-3:2014 Cylindrical helical springs made from round wire and bar - Calculation and design - Part 3 : torsion springs