常见金属（如碳钢，合金钢等）的硬度换算表_洛氏

常见金属（如碳钢，合金钢等）的硬度换算表

洛氏硬度				表面洛氏硬度			维氏	布氏	肖氏
HRA	HRB	HRC	HRD	15N	30N	45N	HV	HB	HS
60kgf	100kgf	150kgf	100kgf	15kgf	30kgf	45kgf	50kgf	3000kgf	JIS
85.6		68	76.9	93.2	84.4	75.4	940		97.6
85.3		67.5	76.5	93	84	74.3	920		96.4
85		67	76.1	92.9	83.6	74.2	900		95.2
84.7		66.5	75.7	92.7	83.1	73.6	880		94
84.4		65.9	75.3	92.5	82.7	73.1	860		92.8
84.1		65.3	74.8	92.3	82.2	72.2	840		91.5
83.8		64.7	74.3	92.1	81.7	71.8	820		90.2
83.4		64	73.8	91.8	81.1	71	800		88.9
83		63.3	73.3	91.5	80.4	70.2	780		87.5
82.6		62.5	72.6	91.2	79.7	69.4	760		86.2
82.2		61.8	72.1	91	79.1	68.6	740		84.8
81.8		61	71.5	90.7	78.4	67.7	720		83.3
81.3		60.1	70.8	90.3	77.6	66.7	700		81.8
81.1		59.7	70.5	90.1	77.2	66.2	690		81.1
80.8		59.2	70.1	89.8	76.8	65.7	680		80.3
80.6		58.8	69.8	89.7	76.4	65.3	670		79.6
80.3		58.3	69.4	89.5	75.9	64.7	660		78.8
80		57.8	69	89.2	75.5	64.1	650		78
79.8		57.3	68.7	89	75.1	63.5	640		77.2
79.5		56.8	68.3	88.8	74.6	63	630		76.4
79.2		56.3	67.9	88.5	74.2	62.4	620		75.6
78.9		55.7	67.5	88.2	73.6	61.7	610		74.7
78.6		55.2	67	88	73.2	61.2	600		73.9
78.4		54.7	66.7	87.8	72.7	60.5	590		73.1
78		54.1	66.2	87.5	72.1	59.9	580		72.2
77.8		53.6	65.8	87.2	71.7	59.3	570		71.3
77.4		53	65.4	86.9	71.2	58.6	560		70.4
77		52.3	64.8	86.6	70.5	57.8	550	505	69.6
76.7		51.7	64.4	86.3	70	57	540	496	68.7
76.4		51.1	63.9	86	69.5	56.2	530	488	67.7
76.1		50.5	63.5	85.7	69	55.6	520	480	66.8
75.7		49.8	62.9	85.4	68.3	54.7	510	473	65.9
75.3		49.1	62.2	85	67.7	53.9	500	465	64.9
74.9		48.4	61.6	84.7	67.1	53.1	490	456	64
74.5		47.7	61.3	84.3	66.4	52.2	480	448	63
74.1		46.9	60.7	83.9	65.7	51.3	470	441	62
73.6		46.1	60.1	83.6	64.9	50.4	460	433	61
73.3		45.3	59.4	83.2	64.3	49.4	450	425	60
72.8		44.5	58.8	82.8	63.5	48.4	440	415	59
72.3		43.6	58.2	82.3	62.7	47.4	430	405	58
71.8		42.7	57.5	81.8	61.9	46.4	420	397	56.9
71.4		41.8	56.8	81.4	61.1	45.3	410	388	55.9
70.8		40.8	65	81	60.2	44.1	400	379	54.8
70.3		39.8	55.2	80.3	59.3	42.9	390	369	53.7
69.8	110	38.8	54.4	79.8	58.4	41.7	380	360	52.6
69.2		37.7	53.6	79.2	57.4	40.4	370	350	51.5
68.7	109	36.6	52.8	78.6	56.4	39.1	360	341	50.4
68.1		35.5	51.9	78	55.4	37.8	350	331	49.3
67.6	108	34.4	51.1	77.4	54.4	36.5	340	322	48.1
67		33.3	50.2	76.8	53.6	35.2	330	313	47
66.4	107	32.2	49.4	76.2	52.3	33.9	320	303	45.8
65.8		31.6	48.4	75.8	51.8	32.8	310	294	44.6
65.2	105.5	29.8	47.5	74.9	50.2	31.1	300	284	43.4
64.8		29.2	47.1	74.6	49.7	30.4	295	280	42.8
64.5	104.5	28.5	46.5	74.2	49	29.5	290	275	42.2
64.2		27.8	46	73.8	48.4	28.7	285	270	41.6
63.8	103.5	27.1	45.3	73.4	47.8	27.9	280	265	40.9
63.5		26.4	44.9	73	47.2	27.1	275	261	40.3
63.1	102	25.6	44.3	72.6	46.4	26.2	270	256	39.7
62.7		24.8	43.7	72.1	45.7	25.2	265	252	39
62.4	101	24	43.1	71.6	45	24.3	260	247	38.4
62		23.1	42.2	71.1	44.2	23.2	255	243	37.8
61.6	99.5	22.2	41.7	70.6	43.4	22.2	250	238	37.2
61.2		21.3	41.1	70.1	42.5	21.1	245	233	36.5
60.7	98.1	20.3	40.3	69.6	41.7	19.9	240	228	35.9
	96.7	18					230	219	34.1
	95	15.7					220	209	33.2
	93.4	13.4					210	200	31.8
	91.5	11					200	190	30.4
	89.5	8.5					190	181	29
	87.1	6					180	171	27.7
	85	3					170	162	26.5
	81.7	0					160	152	25
	78.7						150	143	23.7
	78						140	133	22.1
	71.2						130	124	20.6
	66.7						120	114	19.1
	62.3						110	105	17.6
	56.2						100	95	16.1

注：上表中有洛氏硬度、表面洛氏硬度之分，这有什么区别呢，简单来说，如果零件比较薄,如下面这种管壁状的零件：

无损检测网 > 硬度 > 洛氏

常见金属（如碳钢，合金钢等）的硬度换算表

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