1 Scope
This standard specifies terms, classification, technical requirements, test methods, inspection rules, packaging, marking and quality certificate for forging (rolling) steel balls.
This standard is applicable to forging (rolling) steel balls for wet (or dry) grinding in metallurgical industry.
2 Normative References
The following documents contain provisions which, through reference in this standard, become provisions of this standard. For dated reference, subsequent amendments (excluding corrigendum content) to, or revisions of, any of these publications do not apply. However, parties that enter into an agreement according to this standard are encouraged to study whether the latest edition of these documents applies. For any undated references, the latest edition of the normative document referred to applies.
Contents
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification and Code
5 Nominal Diameter, Allowable Deviation and Roundness
6 Technical Requirements
7 Test Methods
8 Inspection Rules
9 Packaging, Marking, Transportation, Storage and Quality Certificate
Appendix A (Normative) Test Methods for Impact Fatigue Life of Falling Ball
Appendix B (Normative) Determination and Calculation for Breakage Rate of Balls
