Detailed Product Description
1045 carbon steel ball is magnetic,the HRC is 58-65, he frictional resistance is strong.
Detailed Product Description     
1.material:  AISI 1045    
2.element content: C:0.42%-0.48%,Si:015%-0.35%,Mn:0.60%-0.90%,P: <=0.030%; S: <=0.035%
3.grade:  G40, G60, G100, G200, G500, G1000, G2000 
4.diameter:  0.5mm-80mm   
5.hardness:  HRC 58-65   
6.applied field: automotive fittings, avigation, harware tools, chemical industry, raftwork, bearingm chain wheel and so on.