This standard specifies the classification and designation, order contents, dimensions, appearance and permissible deviation, manufacturing methods, technical requirements, test methods, inspection rules, packing, marking and quality certificate of oil-hardened and tempered steel wire for mechanical springs (hereinafter referred to as steel wire).
This standard is applicable to the manufacture of various oil-hardened and tempered carbon and low alloy steel wires with circular cross sections, which are used for mechanical springs.
Foreword I
1 Scope
2 Normative References
3 Classification and Designation
4 Order Contents
5 Dimension, Appearance and Permissible Deviation
6 Manufacturing Methods
7 Technical Requirements
8 Test Methods
9 Inspection Rules
10 Packing, Marking and Quality Certificate
Appendix A (Informative) Congruent Relationship between Designation and Steel Grade
Appendix B (Informative) Comparison between Chapter and Article Numbers of this Standard and Those of ISO/FDIS
Appendix C (Informative) Technical Differences between This Standard and ISO/FDIS 8458 and the Reasons
