ASTM A489 Technical Data
Order A489 Lifting Eye Bolts
Order A489 Shoulder Lifting Eye Bolts
This specification covers weldless forged, quenched, and tempered carbon steel threaded lifting eyes (formerly eyebolts) for overhead lifting.
Chemical Composition
| Element | Heat Analysis | Product Analysis |
| Carbon, max | 0.48 | 0.51 |
| Manganese, max | 1.00 | 1.06 |
| Phosphorus, max | 0.040 | 0.048 |
| Sulfur, max | 0.050 | 0.058 |
| Silicon | 0.15-0.35 | 0.12-0.38 |
Breaking Strength and Proof Load Requirements, Types 1 and 2
Nominal Thread Size | Tensile Stress AreaA | Breaking Strength, min | Proof Load, minB |
| Inch Pound Units | |||
| in. | in.2 | lbf | lbf |
| 1⁄4 -20 | 0.0318 | 2100 | 800 |
| 5⁄16 -18 | 0.0524 | 3400 | 1360 |
| 3⁄8 -16 | 0.0775 | 5000 | 2000 |
| 7⁄16 -14 | 0.1063 | 6900 | 2760 |
| 1⁄2 -13 | 0.1419 | 9200 | 3680 |
| 9⁄16 -12 | 0.182 | 11830 | 4740 |
| 5⁄8 -11 | 0.226 | 14700 | 5880 |
| 3⁄4 -10 | 0.334 | 21700 | 8680 |
| 7⁄8 -9 | 0.462 | 30000 | 12000 |
| 1-8 | 0.606 | 39400 | 15760 |
| 11⁄8 -7 | 0.763 | 49600 | 19840 |
| 11⁄4 -7 | 0.969 | 63000 | 25200 |
| 11⁄2 -6 | 1.41 | 91600 | 36520 |
| 13⁄4 -5 | 1.90 | 123500 | 49400 |
| 2-4 | 2.50 | 162500 | 65000 |
| 21⁄2 -4 | 4.00 | 260000 | 104000 |
Tensile Requirements for Machined Specimens
| Tensile strength, psi | 65 000-90 000 |
| Tensile strength (MPa) | (448-620) |
| Yield point, min, psi | 30000 |
| Yield point, min (MPa) | -207 |
| Elongation in 4D, min, % | 30 |
| Reduction of area, min, % | 60 |