Technical Features and Safety Specs
Forged hooks are engineered to meet strict international lifting standards like DIN 15401.
| Feature | Detail |
|---|---|
| Material | 34CrNiMo6, 42CrMo4, Grade 80/100 Alloy Steel. |
| Safety Factor | Minimum 4:1 or 5:1 design factor. |
| NDE Testing | 100% Magnetic Particle Inspection (MPI) for surface cracks. |
Every hook undergoes a proof load test—typically 2x the Working Load Limit (WLL). The forging process eliminates internal gas pockets, ensuring that the "shank" of the hook remains structurally sound even under the repetitive shock loads found in port and construction environments.
-
Development Conceptscientific and technological innovation as the driving force. -
Quality PolicyPeople, integrity, truth-seeking, innovation -
Core ValueCommon development to achieve symbiosis and win-win.
Buying Tips for Rigging Safety
- Shank Type: Specify whether you need a "Tapered Shank" for a nut connection or a "Straight Shank" for custom machining.
- Latch Kits: Always ensure the hook is compatible with heavy-duty safety latches to prevent accidental unhooking.
- Temperature Rating: For use in foundries or steel mills, specify alloys that maintain their strength at elevated temperatures.
Advantages of Forging Over Casting
| Advantage | Safety Benefit |
|---|---|
| Fatigue Life | Withstands millions of lift cycles without developing stress cracks. |
| Impact Toughness | Resists brittle failure in freezing outdoor environments. |
| Predictability | Grain alignment ensures the hook deforms rather than snaps when overloaded. |
Primary Applications
| Industry | Usage Context |
|---|---|
| Marine/Port | Main hooks for ship-to-shore and container cranes. |
| Heavy Construction | Lifting beams and tower crane blocks. |
| Steel Mills | Ladle hooks for transporting molten metal. |
- Q: Why is MPI testing mandatory for hooks?
- A: Surface cracks are the primary cause of hook failure. MPI (Magnetic Particle Inspection) reveals invisible cracks that could propagate under load.

英语
德语
阿拉伯语




















