HRC
|
洛氏硬度 |
HRA
|
HR15N
|
表面洛氏硬度 |
HR30N
|
HR45N
|
HV
|
维氏硬度 |
HBS
|
布氏硬度 |
HBW
|
碳钢
|
抗拉强度 σb,N/mm² |
铬钢
|
铬钒钢
|
铬镍钢
|
铬钼钢
|
铬镍钼钢
|
铬锰硅钢
|
超高强度钢
|
不锈钢
|
|
20.0 |
20.5 |
21.0 |
21.5 |
22.0 |
22.5 |
23.0 |
23.5 |
24.0 |
24.5 |
25.0 |
60.2 |
60.4 |
60.7 |
61.0 |
61.2 |
61.5 |
61.7 |
62.0 |
62.2 |
62.5 |
62.8 |
68.8 |
69.0 |
69.3 |
69.5 |
69.8 |
70.0 |
70.3 |
70.6 |
70.8 |
71.1 |
71.4 |
40.7 |
41.2 |
41.7 |
42.2 |
42.6 |
43.1 |
43.6 |
44.0 |
44.5 |
45.0 |
45.5 |
19.2 |
19.8 |
20.4 |
21.0 |
21.5 |
22.1 |
22.7 |
23.3 |
23.9 |
24.5 |
25.1 |
226 |
228 |
230 |
233 |
235 |
238 |
241 |
244 |
247 |
250 |
253 |
225 |
227 |
229 |
232 |
234 |
237 |
240 |
242 |
245 |
248 |
251 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
774 |
784 |
793 |
803 |
813 |
823 |
833 |
843 |
854 |
864 |
875 |
742 |
751 |
760 |
769 |
779 |
788 |
798 |
808 |
818 |
828 |
838 |
736 |
744 |
753 |
761 |
770 |
779 |
788 |
797 |
807 |
816 |
826 |
782 |
787 |
792 |
797 |
803 |
809 |
815 |
822 |
829 |
836 |
843 |
747 |
753 |
760 |
767 |
774 |
781 |
789 |
797 |
805 |
813 |
822 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
781 |
788 |
794 |
801 |
809 |
816 |
824 |
832 |
840 |
848 |
856 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
740 |
749 |
758 |
767 |
777 |
786 |
796 |
806 |
816 |
826 |
837 |
|