high speed bearing ball , chrome steel bearing ball 5.556mm
Product Description
Hardness | 58-65 HRC |
Characteristic | (a)Mainly used in bearings (b)Good hardness (c)Good resistance to deformation with excellent wear resistance (d)Low corrosion |
Magnetic | No |
Application | Ball bearings, bicycles, automobile industry |
. Chemical composition |
| C% | Si% | Mn% | S% | P% | Cr% | Mo% | Cu% | Al% | O% |
min. | 0.93 | 0.15 | 0.25 | --- | --- | 1.35 | --- | --- | --- | --- |
max. | 1.05 | 0.35 | 0.45 | 0.015 | 0.025 | 1.65 | 0.1 | 0.3 | 0.05 | 0.0015 |