硬度							抗拉强度（公斤/毫米2）
洛氏		表面洛氏			维氏	布氏	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	不分 钢种
HRC	HRA	HR15N	HR30N	HR45N	HV	HB30D2
(70.0)	86.6				1037											本栏适用二换算精度要求不高的一般钢种
(69.5)	86.3				1017
(69.0)	86.1				997
(68.5)	85.8				978
(68.0)	85.5				959
(67.5)	85.2				941
67.0	85.0				923
66.5	84.7				906
66.0	84.4				889
65.5	84.1				872
65.0	83.9	92.2	81.3	71.7	856
64.5	83.6	92.1	81.0	71.2	840
64.0	83.3	91.9	80.6	70.6	825
63.5	83.1	91.8	80.2	70.1	810
63.0	82.8	91.7	79.8	69.5	795
62.5	82.5	91.5	79.4	69.0	780
62.0	82.2	91.4	79.0	68.4	766
61.5	82.0	91.2	78.6	67.9	752
61.0	81.7	91.0	78.1	67.3	739
60.5	81.4	90.8	77.7	66.8	726

　

　

　

　

 注：1、带括号的硬盘值仅供参考。
     2、本表所列各个钢系的换算值，对含碳量由低到高的钢钟基本适用。

硬度						抗拉强度 (公斤/毫米3)
洛氏	表面洛氏			维氏	布氏
HRB	HR15T	HR30T	HR45T	HV	HB10D2
100.0	91.5	81.7	71.7	233		80.3
99.5	91.3	81.4	71.2	230		79.3
99.0	91.2	81.0	70.7	227		78.3
98.5	91.1	80.7	70.2	225		77.3
98.0	90.9	80.4	69.6	222		76.3
97.5	90.8	80.1	69.1	219		75.4
97.0	90.6	79.8	68.6	216		74.4
96.5	90.5	79.4	68.1	214		73.5
96.0	90.4	79.1	67.6	211		72.6
95.5	90.2	78.8	67.1	208		71.7
95.0	90.1	78.5	66.5	206		70.8
94.5	89.9	78.2	66.0	203		70.0
94.0	89.8	77.8	65.5	201		69.1
93.5	89.7	77.5	65.0	199		68.3
93.0	89.5	77.2	64.5	196		67.5
92.5	89.4	76.9	64.0	194		66.7
92.0	89.3	76.6	63.4	191		65.9
91.5	89.1	76.2	62.9	189		65.1
91.0	89.0	75.9	62.4	187		64.4
90.5	88.8	75.6	61.9	185		63.6
90.0	88.7	75.3	61.4	183		62.9
89.5	88.6	75.0	60.9	180		62.1
89.0	88.4	74.6	60.3	178		61.4
88.5	88.3	74.3	59.8	176		60.7
88.0	88.1	74.0	59.3	174		60.1
87.5	88.0	73.7	58.8	172		59.4
87.0	87.9	73.4	58.3	170		58.7
86.5	87.7	73.0	57.8	168		58.1
86.0	87.6	72.7	57.2	166		57.5
85.5	87.5	72.4	56.7	165		56.8
85.0	87.3	72.1	56.2	163		56.2
84.5	87.2	71.8	55.7	161		55.6
84.0	87.0	71.4	55.2	159		55.0
83.5	86.9	71.1	54.7	157		54.5
83.0	86.8	70.8	54.1	156		53.9
82.5	86.6	70.5	53.6	154	140	53.4
82.0	86.5	70.2	53.1	152	138	52.8
81.5	86.3	69.8	52.6	151	137	52.3
81.0	86.2	69.5	52.1	149	136	51.8
80.5	86.1	69.2	51.6	148	134	51.3
80.0	85.9	68.9	51.0	146	133	50.8
79.5	85.8	68.6	50.5	145	132	50.3
79.0	85.7	68.2	50.0	143	130	49.8
78.5	85.5	67.9	49.5	142	129	49.4
78.0	85.4	67.6	49.0	140	128	48.9
77.5	85.2	67.3	48.5	139	127	48.5
77.0	85.1	67.0	47.9	138	126	48.0
76.5	85.0	66.6	47.4	136	125	47.6
76.0	84.8	66.3	46.9	135	124	47.2
75.5	84.7	66.0	46.4	134	123	46.8
75.0	84.5	65.7	45.9	132	122	46.4
74.5	84.4	65.4	45.4	131	121	46.0
74.0	84.3	65.01	44.8	130	120	45.6
73.5	84.1	64.7	44.3	129	119	45.2
73.0	84.0	64.4	43.8	128	118	44.9
72.5	83.9	64.1	43.3	126	117	44.5
72.0	83.7	63.8	42.8	125	116	44.2
71.5	83.6	63.5	42.3	124	115	43.9
71.0	83.4	63.1	41.7	123	115	43.5
70.5	83.3	62.8	41.2	122	114	43.2
70.0	83.2	62.5	40.7	121	113	42.9
69.5	83.0	62.2	40.2	120	112	42.6
69.0	82.9	61.9	39.7	119	112	42.3
68.5	82.7	61.5	39.2	118	111	42.0
68.0	82.6	61.2	38.6	117	110	41.8
67.5	82.5	60.9	38.1	116	110	41.5
67.0	82.3	60.6	37.6	115	109	41.2
66.5	82.2	60.3	37.1	115	108	41.0
66.0	82.1	59.9	36.6	114	108	40.7
65.5	81.9	59.6	36.1	113	107	40.5
65.0	81.8	59.3	35.5	112	107	40.3
64.5	81.6	59.0	35.0	111	106	40.0
64.0	81.5	58.7	34.5	110	106	39.8
63.5	81.4	58.3	34.0	110	105	39.6
63.0	81.2	58.0	33.5	109	105	39.4
62.5	81.1	57.7	32.9	108	104	39.2
62.0	80.9	57.4	32.4	108	104	39.0
61.5	80.8	57.1	31.9	107	103	38.8
61.0	80.7	56.7	31.4	106	103	38.6
60.5	80.5	56.4	30.9	105	102	38.5
60.0	80.4	56.1	30.4	105	102	38.3