黑色金属硬度及强度换算表
硬 度 抗拉强度（公斤/平方毫米） 硬 度 抗拉强度（kg/mm2)
洛 氏 表面洛氏 维氏 布氏30D2 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 近似强度 洛 氏 表面洛氏 维 氏 布氏10D2
HRC HRA 15N 30N 45N HV HB d(毫米) HRB HRA 15T 30T 45T HV HB d(毫米）
70.0 86.6 1037 在精度要求不高时，近似强度可适用于一般钢种 100.0 61.2 91.5 81.7 71.7 233.0 217.0 2.408 80.3
69.5 86.3 1017 99.5 60.8 91.3 81.4 71.2 230.0 214.0 2.423 79.3
69.0 86.1 997 99.0 60.5 91.2 81.0 70.7 227.0 210.0 2.445 78.3
68.5 85.8 978 98.5 60.2 91.1 80.7 70.2 225.0 208.0 2.457 77.3
68.0 85.5 959 98.0 59.9 90.9 80.4 69.6 222.0 205.0 2.474 76.3
67.5 85.2 941 97.5 59.6 90.8 80.1 69.1 219.0 202.0 2.492 75.4
67.0 85.0 923 97.0 59.2 90.6 79.8 68.6 216.0 199.0 2.509 74.4
66.5 84.7 906 96.5 58.9 90.5 79.4 68.1 214.0 196.0 2.528 73.5
66.0 84.4 889 96.0 58.6 90.4 79.1 67.6 211.0 194.0 2.541 72.6
65.5 84.1 872 95.5 58.3 90.2 78.8 67.1 208.0 191.0 2.560 71.7
65.0 83.9 92.2 81.3 71.7 856 95.0 58.0 90.0 78.5 66.5 206.0 188.0 2.580 70.8
64.5 83.6 92.1 81.0 71.2 840 94.5 57.7 89.9 78.2 66.0 203.0 186.0 2.594 70.0
64.0 83.3 91.9 80.6 70.6 825 94.0 57.4 89.8 77.8 65.5 201.0 183.0 2.614 69.1
63.5 83.1 91.8 80.2 70.1 810 93.5 57.1 89.7 77.5 65.0 199.0 181.0 2.629 68.3
63.0 82.8 91.7 79.8 69.5 795 93.0 56.8 89.5 77.2 64.5 196.0 179.0 2.643 67.5
62.5 82.5 91.5 79.4 69.0 780 92.5 56.4 89.4 76.9 64.0 194.0 176.0 2.665 66.7
62.0 82.2 91.4 79.0 68.4 766 92.0 56.1 89.3 76.6 63.4 191.0 174.0 2.680 65.9
61.5 82.0 91.2 78.6 67.9 752 91.5 55.8 89.1 76.2 62.9 189.0 172.0 2.695 65.1
61.0 81.7 91.0 78.1 67.3 739 91.0 55.5 89.0 75.9 62.4 187.0 170.0 2.711 64.4
60.5 81.4 90.8 77.7 66.8 726 90.5 55.2 88.8 75.6 61.9 185.0 168.0 2.727 63.6
60.0 81.2 90.6 77.3 66.2 713 269.1 260.7 90.0 54.9 88.7 75.3 61.4 183.0 166.0 2.743 62.9
59.5 80.9 90.4 76.9 65.6 700 262.3 255.1 89.5 54.6 88.6 75.0 60.9 180.0 164.0 2.759 62.1
59.0 80.6 90.2 76.5 65.1 688 255.8 249.6 89.0 54.3 88.4 74.6 60.3 178.0 162.0 2.776 61.4
58.5 80.3 90.0 76.1 64.5 676 249.6 244.3 88.5 54.0 88.3 74.3 59.8 176.0 160.0 2.793 60.7
58.0 80.1 89.8 75.6 63.9 664 243.7 239.1 88.0 53.7 88.1 74.0 59.3 174.0 158.0 2.810 60.1
57.5 79.8 89.6 75.2 63.4 653 238.0 234.1 87.5 53.4 88.0 73.7 58.8 172.0 156.0 2.828 59.4
57.0 79.5 89.4 74.8 62.8 642 232.6 229.3 87.0 53.1 87.9 73.4 58.3 170.0 154.0 2.845 58.7
56.5 79.3 89.1 74.4 62.2 631 227.4 224.7 86.5 52.8 87.7 73.0 57.8 168.0 152.0 2.864 58.1
56.0 79.0 88.9 73.9 61.7 620 222.4 220.1 86.0 52.6 87.6 72.7 57.2 166.0 151.0 2.873 57.5
55.5 78.7 88.6 73.5 61.1 609 217.7 215.7 85.5 52.3 87.5 72.4 56.7 165.0 149.0 2.892 56.8
55.0 78.5 88.4 73.1 60.5 599 206.6 209.8 208.6 213.1 211.5 85.0 52.0 87.3 72.1 56.2 163.0 147.0 2.911 56.2
54.5 78.2 88.1 72.6 59.9 589 203.3 206.1 204.8 208.7 207.4 84.5 51.7 87.2 71.8 55.7 161.0 146.0 2.921 55.6
54.0 77.9 87.9 72.2 59.4 579 200.0 202.5 201.0 204.5 203.4 84.0 51.4 87.0 71.4 55.2 159.0 144.0 2.941 55.0
53.5 77.7 87.6 71.8 58.8 570 196.8 199.0 197.4 200.5 199.5 83.5 51.1 86.9 71.1 54.7 157.0 143.0 2.951 54.5
53.0 77.4 87.4 71.3 58.2 561 193.7 195.5 192.5 198.5 193.8 196.7 195.7 83.0 50.8 86.8 70.8 54.1 156.0 141.0 2.971 53.9
52.5 77.1 87.1 70.9 57.6 551 190.6 192.0 189.3 195.1 190.3 193.0 192.1 82.5 50.5 86.6 70.5 53.6 154.0 140.0 2.981 53.4
52.0 76.9 86.8 70.4 57.1 543 188.1 187.5 188.7 186.1 191.8 187.0 189.4 188.5 82.0 50.2 86.5 70.2 53.1 152.0 138.0 3.002 52.8
51.5 76.6 86.6 70.0 56.5 534 184.1 184.5 185.4 183.0 188.6 183.6 186.0 185.1 81.5 50.0 86.3 69.8 52.6 151.0 137.0 3.013 52.3
51.0 76.3 86.3 69.5 55.9 525 180.3 181.6 182.0 179.9 185.4 180.4 182.7 181.7 81.0 49.7 86.2 69.5 52.1 149.0 136.0 3.024 51.8
50.5 76.1 86.0 69.1 55.3 517 176.7 178.7 179.0 176.9 182.3 177.3 179.5 178.5 80.5 49.4 86.1 69.2 51.6 148.0 134.0 3.046 51.3
50.0 75.8 85.7 68.6 54.7 509 174.4 173.1 175.8 175.8 173.9 179.3 174.2 176.5 175.9 175.3 80.0 49.1 85.9 68.9 51.0 146 133 3.057 50.8
49.5 75.5 85.5 68.2 54.2 501 171.4 169.8 173.0 172.8 171.0 176.2 171.2 173.5 172.3 172.2 79.5 48.8 85.8 68.6 50.5 145 132 3.068 50.3
49.0 75.3 85.2 67.7 53.6 493 168.5 166.6 170.2 169.8 168.2 173.3 168.3 170.7 168.8 169.2 79.0 48.6 85.6 68.2 50.0 143 130 3.091 49.8
48.5 75.0 84.9 67.3 53.0 485 165.8 163.5 167.5 166.9 165.4 170.4 165.4 167.9 165.5 166.3 78.5 48.3 85.5 67.9 49.5 142 129 3.103 49.4
48.0 74.7 84.6 66.8 52.4 478 163.1 160.6 164.6 164.0 162.6 167.6 162.7 165.2 162.3 163.6 78.0 48.0 85.4 67.6 49.0 140 128 3.114 49.0
47.5 74.5 84.3 66.4 51.8 470 160.6 157.6 162.3 161.2 159.9 164.8 160.0 162.5 159.2 160.8 77.5 47.7 85.2 67.3 48.5 139 127 3.126 48.5
47.0 74.2 84.0 65.9 51.2 463 449 2.886 158.1 154.9 159.7 158.4 157.3 162.0 157.3 160.0 156.3 158.1 77.0 47.5 85.1 67.0 47.9 138 126 3.138 48.0
46.5 73.9 83.7 65.5 50.7 456 442 2.908 155.6 152.2 157.2 155.7 154.7 159.3 154.7 157.5 153.5 155.5 76.5 47.2 85.0 66.6 47.4 136 125 3.151 47.6
46.0 73.7 83.5 65.0 50.1 449 436 2.927 153.3 149.7 154.7 153.1 152.2 156.7 152.2 155.0 150.8 152.9 76.0 46.9 84.9 66.3 46.9 153 124 3.163 47.2
45.5 73.4 83.2 64.6 49.5 443 430 2.947 151.0 147.2 152.2 150.5 149.7 154.1 149.8 152.6 148.2 150.4 75.5 46.8 84.7 66.0 46.4 134 123 3.175 46.8
45.0 73.2 82.9 64.1 48.9 436 424 2.967 148.8 144.8 149.8 148.0 147.2 151.6 147.4 150.2 145.7 148.0 75.0 46.4 84.5 65.7 45.9 132 122 3.188 46.4
44.5 72.9 82.6 63.6 48.3 429 418 2.988 146.6 142.6 147.5 145.5 144.8 149.1 145.0 147.8 143.3 145.7 74.5 46.1 84.4 65.4 45.4 131 121 3.201 46.0
44.0 72.6 82.3 63.2 47.7 423 413 3.006 144.5 140.3 145.2 143.1 142.5 146.7 142.7 145.5 141.0 143.4 74.0 45.8 84.3 65.1 44.8 130 120 3.214 45.6
43.5 72.4 82.0 62.7 47.1 417 407 3.027 142.5 138.2 142.9 140.8 140.2 144.3 140.5 143.2 138.7 141.1 73.5 45.6 84.1 64.7 44.3 129 119 3.227 45.2
43.0 72.1 81.7 62.3 46.5 411 401 3.049 140.5 136.1 140.7 138.5 137.9 142.0 138.4 140.9 136.6 138.9 73.0 45.3 84.0 64.4 43.8 128 118 3.240 44.9
42.5 71.8 81.4 61.8 45.9 405 396 3.068 138.6 134.1 138.5 136.2 135.7 139.7 136.2 138.5 134.5 136.8 72.5 45.0 83.9 64.1 43.3 126 117 3.253 44.5
42.0 71.6 81.1 61.3 45.4 399 391 3.087 136.7 132.2 136.4 134.0 133.6 137.5 134.2 136.2 132.5 134.7 72.0 44.8 83.7 63.8 42.8 125 116 3.267 44.2
41.5 71.3 80.8 60.9 44.8 393 385 3.111 134.8 130.3 134.3 131.9 131.5 135.3 132.2 133.9 130.5 132.7 71.5 44.5 83.6 63.5 42.3 124 115 3.281 43.9
41.0 71.1 80.5 60.4 44.2 388 380 3.130 133.1 128.4 132.2 129.8 129.4 133.1 130.2 131.5 128.6 130.7 71.0 44.2 83.4 63.1 41.7 123 115 3.281 43.5
40.5 70.8 80.2 60.0 43.6 382 375 3.150 131.3 126.7 130.2 127.7 127.4 131.0 128.3 129.1 126.8 128.7 70.5 44.0 83.3 62.8 41.2 122 114 3.295 43.2
40.0 70.5 79.9 59.5 43.0 377 370 3.171 129.6 124.9 128.2 125.7 125.4 129.0 126.4 126.7 125.0 126.8 70.0 43.7 83.2 62.5 40.7 121 113 3.309 42.9
39.5 70.3 79.6 59.0 42.4 372 365 3.192 127.9 123.2 126.2 123.8 123.5 127.0 124.6 124.3 123.3 125.0 69.5 43.4 83.0 62.2 40.2 120 112 3.324 42.6
39.0 70.0 79.3 58.6 41.8 367 360 3.214 126.3 121.6 124.3 121.9 121.6 125.0 122.8 121.8 121.6 123.2 69.0 43.2 82.9 61.9 39.7 119 112 3.324 42.3
38.5 69.7 79.0 58.1 41.2 362 355 3.236 124.6 119.0 122.5 120.0 119.7 123.1 121.1 119.3 120.0 121.4 68.5 42.9 82.7 61.5 39.2 118 111 3.338 42.0
38.0 69.5 78.7 57.6 40.6 357 350 3.258 123.1 118.4 120.6 118.2 117.9 121.2 119.4 116.7 118.4 119.7 68.0 42.7 82.6 61.2 38.6 117 110 3.352 41.8
37.5 69.2 78.4 57.2 40.0 352 345 3.281 121.5 116.8 118.8 116.5 116.2 119.4 117.7 114.1 116.8 118.0 67.5 42.4 82.5 60.9 38.1 116 110 3.352 41.5
37.0 69.0 78.1 56.7 39.4 347 341 3.299 120.0 115.3 117.1 114.8 114.4 117.6 116.1 111.4 115.3 116.0 67.0 42.2 82.3 60.6 37.6 115 109 3.367 41.2
36.5 68.7 77.8 56.2 38.8 342 336 3.323 118.5 113.8 115.3 113.1 112.8 115.8 114.6 108.7 113.8 114.7 66.5 41.9 82.2 60.3 37.1 115 108 3.382 41.0
36.0 68.4 77.5 55.8 38.2 338 332 3.343 117.0 112.4 113.6 111.5 111.1 114.1 113.0 105.9 112.3 113.1 66.0 41.7 82.1 59.9 36.6 114 108 3.382 40.7
35.5 68.2 77.2 55.3 37.6 333 327 3.367 115.6 110.9 112.0 109.9 109.5 112.5 111.5 103.0 110.9 111.5 65.5 41.4 81.9 59.6 36.1

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