... steel balls(AISI1010,1015,1045,1085),chrome steel balls(AISI52100) and stainless steel balls(AISI304,316,420C,440C). (2) Application: ... many fields such as auto,motorcycle,bicycle,bearings,aviation and precision instrument and medical instrument and etc.they are widely sold in many province ... in abroad market such as Germany,Italy,Brazil,Canada,korea and etc. 58-62 HRC CARBON STEEL BALLS WITH GOOD ...