| Material Grade | Tensile Strength (MPa) | Hardness (HB) | Application Scenario |
|---|---|---|---|
| Q235B | ≥375 | 120~160 | Light-duty crane, electric hoist, civil winch |
| 35# Steel | ≥530 | 150~190 | General overhead crane, gantry crane, medium-small lifting equipment |
| 45# Steel | ≥600 | 180~220 | Heavy-duty overhead crane, port crane, high-load winch |
| 35CrMo Cast & Rolled Steel | ≥980 | 260~300 | Large tonnage, high temperature, frequent heavy-load working condition |

