Tensile Strength is the maximum tension applied, as loading, that a fastener can support prior to, or coincidental with, its fracture.
| Imperial | Ibf/in2 | MPa | Metric |
|---|---|---|---|
| 1200 | Stainless Steel Class 120 (e.g. Bumax 129) | ||
| Stainless Steel Class 120 | 1200 | Class 12.9 (AS1110 High Tensile Steel) | |
| 1100 | |||
| SAE Grade 8 (A5 2465 High Tensile Steel) | 150000 | 1034 | Class 10.9 (A5 1110 High Tensile Steel) |
| Stainless Steel Class 100 | 1000 | Stainless Steel Class 100 (e.g. Bumax 109) | |
| SAE Grade 5 (A5 2465 High Tensile Steel) | 120000 | 900 | Class 8.8 (A5 1110 High Tensile Steel) |
| 827 | |||
| Stainless Steel Class 80 (e.g. 316-80, Bumax 88) | 116000 | 800 | Stainless Steel Class 80 (e.g. A4-80, Bumax 88, SS2507 Class 80) |
| Stainless Steel Class 70 (e.g. 304-70, 316-70) | 101000 | 700 | Stainless Steel Class 70 (e.g. A2-70, A4-70) |
| 600 | Class 5.8 (AS1110) | ||
| 550 | |||
| 520 | |||
| Stainless Steel Class 50 (e.g. No Markings) | 72000 | 500 | Stainless Steel Class 50 (e.g. No Markings) |
| BSW Mild Steel (A5 2451) | 65000 | 450 | Class 4.6 (AS1110) Mild Steel (AS1390) |
| 62000 | 427 | ||
| 58015 | 400 |
100 PSI (Ibf/in2 = 6.894Mpa
1Mpa = 145.038 PSI (Ibf/in2)
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