Taian Xinyuan Precision Steel Ball Manufacturing Co.,LtdChemicalCompositionItemC%Si%Mn%P%S%Cr%Ni%N%HardnessAISI3020.150max1.00max2.00max0.045max0.030max17.0-19.08.0-10.00.10max25-39HRCChemicalCompositionItemC%Si%Mn%P%S%Cr%Ni%N%HardnessAISI3040.08max0.75max2.0max0.045max0.03max18.0-20.08.0-10.50.10max25-39HRCChemicalCompositionItemC%Si%Mn%P%S%Cr%Ni%N%HardnessAISI304L0.03max0.75max2.0max0.045max0.03max18.0-20.08.0-10.50.10max25-39HRCChemicalCompositionItemC%Si%Mn%P%S%Cr%Ni%Mo%HardnessAISI3160.08max1.00max2.0max0.045max0.03max18.0-20.010.0-14.02.0-3.025-30HRCChemicalCompositionItemC%Si%Mn%P%S%Cr%Ni%Mo%HardnessAISI316L0.03max1.00max2.0max0.045max0.03max18.0-20.010.1-14.02.0-3.025-30HRCChemicalCompositionItemC%Si%Mn%P%S%Cr%HardnessAISI420C0.43-0.501.00max1.00max0.040max0.030max12.5-14.552-60HRC
Precision grade
Variation of ball diameter (VDws) (μm)
Deviation from spherical form (tDw)(μm)
Surface to Roughness (Ra)(μm)
Variation of ball lot dameter (VDwL)(μm)
Gauge interval (IG)
Description preferred gauge
Sub-gauge interval
Description of sub-gauges30.080.080.0100.130.5-5~-0.5,0,+0.5~+50.1-0.2,-0.1,0,0.1,0.250.130.130.0140.251-5~-1,0,+1~+50.2-0.4,-0.2,0,0.2,0.4100.250.250.0200.51-9~-1,0,+1~+90.2-0.4,-0.2,0,0.2,0.4160.40.40.0250.82-10~-2,0,+2~+100.4-0.8,-0.4,0,0.4,0.8200.50.50.03212-10~-2,0,+2~+100.4-0.8,-0.4,0,0.4,0.8240.60.60.0401.22-12~-2,0,+2~+120.4-0.8,-0.4,0,0.4,0.8280.70.70.0501.42-12~-2,0,+2~+120.4-0.8,-0.4,0,0.4,0.840110.06024-16~-4,0,+4~+160.8-1.6,-0.8,0,0.8,1.6601.51.50.08036-18~-6,0,+6~+181.2-2.4,-1.2,0,1.2,2.41002.52.50.100510-40~-10,0,+10~+402.0-4,-2,0,2,4200550.1501015-60~-15,0,+15~+603.0-6,-3,0,3,6
How to Inquire?When ordering balls, please specify the following:1. Nominal ball diameter.2. Type of material.3. Precision grade.
4. Packing requirements.
All standard steel balls are always in stock and ready for immediate off-the-shelf delivery.
If your application calls for custom balls, send us your specifications and we'll glady meet them.