Specifications >> Symbols     SYMBOLS           Ball diameter variation VDWS= Dw max.-DW min. Ball mean diameter Dwm = Dw max. + Dw min.           Lot Diameter variation VDWL = Dw max.-Dw min. Lot Mean Diameter DwmL=Dwm max.+Dwm min           rc = Radius of circumscribing circle rp = Smaller radius Deviation from spherical form tDW = rc-rp   Products Ferrous   Chrome Steel Balls High Carbon Steel Balls Stainless Steel Balls Low Carbon Steel Balls     Non - Ferrous   Brass Balls Lead Balls     Specifications   Symbols Definitions Standards Hardness ConversionTable A Wieght Conversion Chart

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