黑色金属硬度及强度换算表(GB1172-74)

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75.3 75.0 74.6 74.3 74.0 73.7 73.4 73.0 72.7 72.4 72.1 71.8 71.4 71.1 70.8 70.5 70.2 69.8 69.5 69.2 68.9 68.6 68.2 67.9 67.6
61.4 60.9 60.3 59.8 59.3 58.8 58.3 57.8 57.2 56.7 56.2 55.7 55.2 54.7 54.1 53.6 53.1 52.6 52.1 51.6 51.0 50.5 50.0 49.5 49.0
90.0 89.5 89.0 88.5 88.0 87.5 87.0 86.5 86.0 85.5 85.0 84.5 84.0 83.5 83.0 82.5 82.0 81.5 81.0 80.5 80.0 79.5 79.0 78.5 78.0
88.7 88.6 88.4 88.3 88.1 88.0 87.9 87.7 87.6 87.5 87.3 87.2 87.0 86.9 86.8 86.6 86.5 86.3 86.2 86.1 85.9 85.8 85.7 85.5 85.4
黑色金属硬度及强度换算表(GB1172-74)
硬 洛 HRC 70.0 69.5 69.0 68.5 68.0 67.5 67.0 66.5 66.0 65.5 65.0 64.5 64.0 63.5 63.0 62.5 62.0 61.5 61.0 60.5 氏 HRA 86.6 86.3 86.1 85.8 85.5 85.2 85.0 84.7 84.4 84.1 83.9 83.6 83.3 83.1 82.8 82.5 82.2 82.0 81.7 81.4 92.2 92.1 91.9 91.8 91.7 91.5 91.4 91.2 91.0 90.8 81.3 81.0 80.6 80.2 79.8 79.4 79.0 78.6 78.1 77.7 71.7 71.2 70.6 70.1 69.5 69.0 68.4 67.9 67.3 66.8 表 HR15N 面 洛 氏 HR45N 维 HV 1037 1017 997 978 959 941 923 906 889 872 856 840 825 810 795 780 766 752 739 726 氏 度 布 HB30D
47.5 47.0 46.5 46.0 45.5 45.0 44.5 44.0 43.5 43.0 42.5 42.0 41.5 41.0 40.5 40.0 39.5 39.0 38.5 38.0 37.5 37.0 36.5 36.0
74.5 74.2 73.9 73.7 73.4 73.2 72.9 72.6 72.4 72.1 71.8 71.6 71.3 71.1 70.8 70.5 70.3 70.0
2

d 10 、2d 5 、4d 2.5 mm
抗 拉 强 度 -2 σ b/(kgf.mm ) [σ b/(N.mm-2)]
硬 洛 氏 HRB 100.0 99.5 99.0 98.5 98.0 97.5 97.0 96.5 96.0 95.5 95.0 94.5 94.0 93.5 93.0 92.5 92.0 91.5 91.0 90.5 表 HR15T 91.5 91.3 91.2 91.1 90.9 90.8 90.6 90.5 90.4 90.2 90.1 89.9 89.8 89.7 89.5 89.4 89.3 89.1 89.0 88.8 面 洛 氏 HR45T 71.7 71.2 70.7 70.2 69.6 69.1 68.6 68.1 67.6 67.1 66.5 66.0 65.5 65.0 64.5 64.0 63.4 62.9 62.4 61.9 维 HV 233 230 227 225 222 219 216 214 211 208 206 203 201 199 196 194 191 189 187 185 氏
77.5 77.0 76.5 76.0 75.5 75.0 74.5 74.0 73.5 73.0 72.5 72.0 71.5 71.0 70.5 70.0 69.5 69.0 68.5 68.0 67.5 67.0 66.5 66.0
85.2 85.1 85.0 84.8 84.7 84.5 84.4 84.3 84.1 84.0 83.9 83.7 83.6 83.4 83.3 83.2 83.0 82.9 82.7 82.6 82.5 82.3 82.2 82.1
51.8 51.2 50.7 50.1 49.5 48.9 48.3 47.7 47.1 46.5 45.9 45.4 44.8 44.2 43.6 43.0 42.4 41.8 41.2 40.6 40.0 39.4 38.8 38.2
470 463 456 449 443 436 429 423 417 411 405 399 393 388 382 377 372 367 362 357 352 347 342 338
62.9(629) 62.1(621) 61.4(614) 60.7(607) 60.1(601) 59.4(594) 58.7(587) 58.1(581) 57.5(575) 56.8(568) 56.2(562) 55.6(556) 55.0(550) 54.5(545) 53.9(539) 53.4(534) 52.8(528) 52.3(523) 51.8(518) 51.3(513) 50.8(508) 50.3(503) 49.8(498) 49.4(494) 48.9(489)
81.2 80.9 80.6 80.3 80.1 79.8 79.5 79.3 79.0 78.7 78.5 78.2 77.9 77.7 77.4 77.1 76.9 76.6 76.3 76.1 75.8 75.5 75.3 75.0 74.7
90.6 90.4 90.2 90.0 89.8 89.6 89.4 89.1 88.9 88.6 88.4 88.1 87.9 87.6 87.4 87.1 86.8 86.6 86.3 86.0 85.7 85.5 85.2 84.9 84.6
260.7(2607) 255.1(2551) 249.6(2496) 244.3(2443) 239.1(2391) 234.1(2341) 229.3(2293) 224.6(2246) 220.1(2201) 215.7(2157) 211.5(2115) 207.4(2074) 203.4(2034) 199.5(1995) 195.7(1957) 192.1(1921) 188.5(1885) 185.1(1851) 181.7(1817) 178.5(1785) 175.3(1753) 172.2(1722) 169.2(1692) 166.3(1663) 163.5(1635)
183 180 178 176 174 172 170 168 166 165 163 161 159 157 156 154 152 151 149 148 146 145 143 142 140 140 138 137 136 134 133 132 130 129 128 2.98 3.00 3.01 3.02 3.05 3.06 3.07 3.09 3.10 3.11
713 700 688 676 664 653 642 631 620 609 599 589 579 570 561 551 543 534 525 517 509 501 493 485 478 501 494 488 481 474 468 461 2.73 2.75 2.77 2.79 2.81 2.83 2.85
67.3 67.0 66.6 66.3 66.0 65.7 65.4 65.1 64.7 64.4 64.1 63.8 63.5 63.1 62.8 62.5 62.2 61.9 61.5 61.2 60.9 60.6 60.3 59.9
48.5 47.9 47.4 46.9 46.4 45.9 45.4 44.8 44.3 43.8 43.3 42.8 42.3 41.7 41.2 40.7 40.2 39.7 39.2 38.6 38.1 37.6 37.1 36.6
455 449 442 436 430 424 418 413 407 401 396 391 385 380 375 370 365 360 355 350 345 341 336 332
2.87 2.89 2.91 2.93 2.95 2.97 2.99 3.01 3.03 3.05 3.07 3.09 3.11 3.13 3.15 3.17 3.19 3.21 3.24 3.26 3.28 3.30 3.32 3.34
度 布 HB10D2 氏
d 10 、2d 5 、4d 2.5 mm
抗 拉 强 度 -2 σ b/(kgf.mm ) [σ b/(N.mm-2)] 80.3(803) 79.3(793) 78.3(783) 77.3(773) 76.3(763) 75.4(754) 74.4(744) 73.5(735) 72.6(726) 71.7(717) 70.8(708) 70.0(700) 69.1(691) 68.3(683) 67.5(675) 66.7(667) 65.9(659) 65.1(651) 64.4(644) 63.6(636)
HR30N
HR30T 81.7 81.4 81.0 80.7 80.4 80.1 79.8 79.4 79.1 78.8 78.5 78.2 77.8 77.5 77.2 76.9 76.6 76.2 75.9 75.6
60.0 59.5 59.0 58.5 58.0 57.5 57.0 56.5 56.0 55.5 55.0 54.5 54.0 53.5 53.0 52.5 52.0 51.5 51.0 50.5 50.0 49.5 49.0 48.5 48.0
84.3 84.0 83.7 83.5 83.2 82.9 82.6 82.3 82.0 81.7 81.4 81.1 80.8 80.5 80.2 79.9 79.6 79.3 79.0 78.7 78.4 78.1 77.8 77.5
66.4 65.9 65.5 65.0 64.6 64.1 63.6 63.2 62.7 62.3 61.8 61.3 60.9 60.4 60.0 59.5 59.0 58.6 58.1 57.6 57.2 56.7 56.2 55.8
160.8(1608) 158.1(1581) 155.5(1555) 152.9(152.9) 150.4(150.4) 148.0(1480) 145.7(1457) 143.4(1434) 141.1(1411) 138.9(1389) 136.8(1368) 134.7(1347) 132.7(1327) 130.7(1307) 128.7(1Βιβλιοθήκη Baidu87) 126.8(1268) 125.0(1250) 123.2(1232) 121.4(1214) 119.7(1197) 118.0(1180) 116.3(1163) 114.7(1147) 113.1(1131)
77.3 76.9 76.5 76.1 75.6 75.2 74.8 74.4 73.9 73.5 73.1 72.6 72.2 71.8 71.3 70.9 70.4 70.0 69.5 69.1 68.6 68.2 67.7 67.3 66.8
66.2 65.6 65.1 64.5 63.9 63.4 62.8 62.2 61.7 61.1 60.5 59.9 59.4 58.8 58.2 57.6 57.1 56.5 55.9 55.3 54.7 54.2 53.6 53.0 52.4
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