 BACK |
硬度对照表
钢的布氏硬度的近似换算值
| 布氏硬度(HB) 10 mm球·载荷3,000 kgf |
维氏硬度 (HV) |
洛氏硬度 | 肖氏硬度 (HS) |
抗拉强度 (近似值) MPa (2) |
||||
|---|---|---|---|---|---|---|---|---|
| 标准球 | 碳化钨球 | A标度 圆锥压印头 |
B标度 直径1.6mm |
C标度 载荷150kgf 金刚石 圆锥压印头 (HRC) |
D标度 载荷100kgf 金刚石 圆锥压印头 (HRD) |
|||
| – | – | 940 | 85.6 | – | 68.0 | 76.9 | 97 | – |
| – | – | 920 | 85.3 | – | 67.5 | 76.5 | 96 | – |
| – | – | 900 | 85.0 | – | 67.0 | 76.1 | 95 | – |
| – | (767) | 880 | 84.7 | – | 66.4 | 75.7 | 93 | – |
| – | (757) | 860 | 84.4 | – | 65.9 | 75.3 | 92 | – |
| – | (745) | 840 | 84.1 | – | 65.3 | 74.8 | 91 | – |
| – | (733) | 820 | 83.8 | – | 64.7 | 74.3 | 90 | – |
| – | (722) | 800 | 83.4 | – | 64.0 | 73.8 | 88 | – |
| – | (712) | – | – | – | – | – | – | – |
| – | (710) | 780 | 83.0 | – | 63.3 | 73.3 | 87 | – |
| – | (698) | 760 | 82.6 | – | 62.5 | 72.6 | 86 | – |
| – | (684) | 740 | 82.2 | – | 61.8 | 72.1 | – | – |
| – | (682) | 737 | 82.2 | – | 61.7 | 72.0 | 84 | – |
| – | (670) | 720 | 81.8 | – | 61.0 | 71.5 | 83 | – |
| – | (656) | 700 | 81.3 | – | 60.1 | 70.8 | – | – |
| – | (653) | 697 | 81.2 | – | 60.0 | 70.7 | 81 | – |
| – | (647) | 690 | 81.1 | – | 59.7 | 70.5 | – | – |
| – | (638) | 680 | 80.8 | – | 59.2 | 70.1 | 80 | – |
| – | 630 | 670 | 80.6 | – | 58.8 | 69.8 | – | – |
| – | 627 | 667 | 80.5 | – | 58.7 | 69.7 | 79 | – |
| – | – | 677 | 80.7 | – | 59.1 | 70.0 | – | – |
| – | 601 | 640 | 79.8 | – | 57.3 | 68.7 | 77 | – |
| – | – | 640 | 79.8 | – | 57.3 | 68.7 | – | – |
| – | 578 | 615 | 79.1 | – | 56.0 | 67.7 | 75 | – |
| – | – | 607 | 78.8 | – | 55.6 | 67.4 | – | – |
| – | 555 | 591 | 78.4 | – | 54.7 | 66.7 | 73 | 2055 |
| – | – | 579 | 78.0 | – | 54.0 | 66.1 | – | 2015 |
| – | 534 | 569 | 77.8 | – | 53.5 | 65.8 | 71 | 1985 |
| – | – | 533 | 77.1 | – | 52.5 | 65.0 | – | 1915 |
| (495) | 514 | 547 | 76.9 | – | 52.1 | 64.7 | 70 | 1890 |
| – | – | 539 | 76.7 | – | 51.6 | 64.3 | – | 1855 |
| (477) | – | 530 | 76.4 | – | 51.1 | 63.9 | – | 1825 |
| – | 495 | 528 | 76.3 | – | 51.0 | 63.8 | 68 | 1820 |
| (461) | – | 516 | 75.9 | – | 50.3 | 63.2 | – | 1780 |
| – | – | 508 | 75.6 | – | 49.6 | 62.7 | – | 1740 |
| 444 | 477 | 508 | 75.6 | – | 49.6 | 62.7 | 66 | 1740 |
| – | – | 495 | 75.1 | – | 48.8 | 61.9 | – | 1680 |
| – | – | 491 | 74.9 | – | 48.5 | 61.7 | – | 1670 |
| 461 | 491 | 74.9 | – | 48.5 | 61.7 | 65 | 1670 | |
| – | 474 | 74.3 | – | 47.2 | 61.0 | – | 1595 | |
| – | 472 | 74.2 | – | 47.1 | 60.8 | – | 1585 | |
| 444 | 472 | 74.2 | – | 47.1 | 60.8 | 63 | 1585 | |
- 注1
- 此表与AMS Metals Hand book第8版第1卷对应，并为使用方便追加了等价于抗拉强度近似值的公制单位与布氏硬度值，并加以修正。
- 注2
- 1MPa=1N/mm2
- 注3
- 表中括号( )内的数值不常用，仅供参考。此表摘自2004年JIS铁钢手册1。
