| SAE J429 Specifications | ||||
|---|---|---|---|---|
| Mechanical Requirements | ||||
| Grade | Marking | Diameter (in) | Minimum Yield Strength (PSI) |
Minimum Tensile Strength (PSI) |
| 2 | None | Up to 3/4 | 57,000 | 74,000 |
| 3/4 to 1 1/2 | 36,000 | 60,000 | ||
| 5 |  |
Up to 1 | 92,000 | 120,000 |
| 1 to 1 1/2 | 81,000 | 105,000 | ||
| 8 |  |
Up to 1 1/2 | 130,000 | 150,000 |