This section specifies methods for the determination of copper content in cast bearing alloys. This section applies to the determination of copper content in cast bearing alloys. Measuring range: 3.00%~10.00%.
YS/T 475.4-2005 history
2005YS/T 475.4-2005 Methods for chemical analysis of cast bearing metals-Determination of copper content-Hyposulphite titrimetric method