This Standard stipulates terms and definitions, gradation and marking, order contents, dimension, profile and allowable deviation, technical requirements, testing items, requirements and methods, testing rules, packaging, mark and quality certification of cold-drawn non-alloy wire for springs production.
This Standard is applicable to the cast cold-drawn non-alloy wire for springs (hereinafter referred to as wire) used to produce static load and dynamic load springs. It is not applicable to produce wire used in high fatigue strength springs (such as valve springs).
