Material |
Hardness |
Maximum Allowable Shear [psi] |
||
Brinell |
Rockwell C |
|||
Steel |
160 - 200 |
--- |
20 000 |
|
Steel |
230 - 260 |
--- |
30 000 |
|
Steel |
302 - 351 |
33 - 38 |
40 000 |
|
Surface-hardened Steel |
--- |
48 - 53 |
40 000 |
|
Case-hardened Steel |
--- |
58 - 63 |
50 000 |
|
Through-hardened Steel (Aircraft Quality) |
--- |
42 - 46 |
45 000 |