布氏硬度（HB）是一种通过特定试验力将一定大小的淬硬钢球压入材料表面，然后测量压痕直径来确定硬度的标准。以下是一些布氏硬度对照表：
HB-3000布氏硬度对照表
3010HB: 2.5
3000HB: 2.406
2900HB: 2.416
2800HB: 2.426
2700HB: 2.436
2600HB: 2.446
2500HB: 2.456
2400HB: 2.466
2300HB: 2.476
2200HB: 2.486
2100HB: 2.496
2000HB: 2.506
1900HB: 2.516
1800HB: 2.526
1700HB: 2.536
1600HB: 2.546
1500HB: 2.556
1400HB: 2.566
1300HB: 2.576
1200HB: 2.586
1100HB: 2.596
1000HB: 2.606
900HB: 2.616
800HB: 2.626
700HB: 2.636
600HB: 2.646
500HB: 2.656
400HB: 2.666
300HB: 2.676
200HB: 2.686
100HB: 2.696
50HB: 2.706
25HB: 2.716
10HB: 2.726
5HB: 2.736
2.5HB: 2.746
1HB: 2.756
0.5HB: 2.766
0.25HB: 2.776
0.1HB: 2.786
0.05HB: 2.796
0.025HB: 2.806
0.01HB: 2.816
0.005HB: 2.826
0.0025HB: 2.836
0.001HB: 2.846
0.0005HB: 2.856
0.00025HB: 2.866
0.0001HB: 2.876
0.00005HB: 2.886
0.000025HB: 2.896
0.00001HB: 2.906
0.000005HB: 2.916
0.0000025HB: 2.926
0.000001HB: 2.936
0.0000005HB: 2.946
0.00000025HB: 2.956
0.0000001HB: 2.966
0.000000