It is suitable for making bearing steel that needs to bear impact load and requires good toughness in the core (such as bearings of steel rolling mill, heavy vehicle and mining machinery).
No classification at present.
quenching(淬火)
steel(钢)
steel designation(钢号)
tempering(回火)
wear resistance(耐磨性)
fatigue(疲劳)
carburizing(渗碳)
section steel(型钢)
hardness(硬度)
bearing steel(轴承钢)