1.4.1碳钢、合金钢硬度及强度换算值
分类：五金8239字
表1-38 碳钢、合金钢硬度与强度换算值
硬度抗拉强度σb(MPa)洛氏表面洛氏维氏布氏(F/D2=30)碳钢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HRCHRAHR15NHR30NHR45NHVHBSHBW20.0
20.5
21.0
21.5
22.060.2
60.4
60.7
61.0
61.268.8
69.0
69.3
69.5
69.840.7
41.2
41.7
42.2
42.619.2
19.8
20.4
21.0
21.5226
228
230
233
235225
227
229
232
234 774
784
793
803
813742
751
760
769
779736
744
753
761
770782
787
792
797
803747
753
760
767
774 781
788
794
801
809 740
749
758
767
77722.5
23.0
23.5
24.0
24.561.5
61.7
62.0
62.2
62.570.0
70.3
70.6
70.8
71.143.1
43.6
44.0
44.5
45.022.1
22.7
23.3
23.9
24.5238
241
244
247
250237
240
242
245
248 823
833
843
854
864788
798
808
818
828779
788
797
807
816809
815
822
829
836781
789
797
805
813 816
824
832
840
848 786
796
806
816
82625.062.871.445.525.1253251 875838826843822 856 83725.5
26.0
26.5
27.063.0
63.3
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