In the demanding world of material handling, where safety and reliability are paramount under extreme loads, Weihua Heavy Duty Lifting Hooks stand as the cornerstone of secure and efficient operations. Engineered for the toughest challenges across construction, productie, scheepsbouw, mijnbouw, and port logistics, Weihua hooks deliver unparalleled performance where failure is not an option.
Woleua -groep, Een wereldwijd erkende leider in hijsoplossingen, brings decades of specialized engineering expertise to every Heavy Duty Lifting Hook they manufacture. Choosing Weihua means investing in:

| Parameter Category | Specificaties | Notes/Optional Configurations |
| Core Specifications | ||
| Werkbelastinglimiet (Wll) | 1 ton ~ 500 ton | Aanpasbaar (tot 1000+ ton) |
| Veiligheidsfactor | ≥ 5:1 | Complies with FEM/ASME (tot 6:1) |
| Bedrijfstemperatuur | -40° C tot +200 ° C | Aangepast: -196°C or +450°C |
| Structural Design | ||
| Materiaal | High-tensile alloy forged steel (35CRMO, 42CRMO, 34Cr2ni2mo) | Meets GB/T 3077, DIN EN 10083 |
| Productieproces | Smeden met gesloten matrijzen + CNC machining | Grain flow follows hook contour |
| Haaktype | – Single Hook (Clevis/Eye Shank) – Ramshorn (Dubbele) Haak – Zwengel kraan haken |
Bearing type: Tapered/ball roller |
| Throat Diameter (D) | 50mm ~ 1500mm | Customizable per load geometry |
| Veiligheidsfuncties | ||
| Safety Latch Type | – Spring Latch – Positive Locking Latch – Latchless |
Locking force ≥ 10% Wll (mechanical) |
| Latch Material | Gelegeerd staal + surface hardening (HRC 40-45) | Impact-resistant design |
| Oppervlaktebehandeling | ||
| Standard Anti-Corrosion | Electro-galvanized (8-12urn) | Salt spray test > 96 hours |
| Enhanced Protection | – Hot-dip galvanized (70-100urn) – Xylan®/Dacromet coating |
Marine/chemical environments |
| Certificeringen | ||
| Ontwerpstandaarden | ISO 9001, ASME B30.10, Vrouw 9.511, VAN 15401, GB/T 10051 | |
| 3rd-Party Certification | TÜV, DNV-GL, Lloyd's Register, CE | Nuclear (ASME NQA-1), Mijnbouw (MSHA) |
| Testing Methods | – 100% MPI – Ultrasonic Testing (UT) – Proof Load Test (1.5×WLL) |
MTC & test reports available |
| Mounting Interface | ||
| Schachtdiameter | 20mm ~ 300mm | Tolerance: H7/g6 (VAN 6885) |
| Pin Type | – Clevis Pin (VAN 688) – Eye Bore (VAN 15403) |
Lock nuts/cotter pins standard |
| Aanpassingsopties | ||
| Speciale functies | – Load cell slots – RFID tag grooves – Latch sensor ports |
IoT/automation ready |
| Extreme omgevingen | – Cryogenic (-196° C) – High-temp coating (+650° C) – Explosion-proof (ATEX/IECEx) |
Deep cryogenic/heat treatment |

1. Wll & Veiligheidsfactor
Minimum breaking strength = WLL × Safety Factor (Bijv., 100t hook: 500t breaking load)
Dynamic loads require derating (suggested: WLL × 1.2–1.5)
2. Swivel Hook Additions
- Rotation torque: ≤ 2% × WLL × D (D = throat diameter) - Bearing life: 100,000 cycles (ISO 281)
3. Corrosion Protection Comparison
| Coating Type | Omgeving | Service Life (Industrial) |
| Electro-galvanized | Dry indoor | 5–8 years |
| Hot-dip galvanized | Humid/coastal | 15+ years |
| Xylan® coating | Chemical exposure (pH 3–11) | 10 years |
1. Overhead Crane Systems (EOT, Portaal, Jib)
2. Gieterijen en staalfabrieken
3. Heavy Machinery Fabrication & Installatie
4. Scheepsbouw & Dry Dock Operations
5. Mijnbouw & Mineral Processing
6. Stroomopwekking (Turbine, Transformer Lifts)
7. Bridge & Major Infrastructure Construction
8. Port Terminal Container Handling & Heavy Lift Operations

Compromisloze veiligheid: Built to the highest global standards with massive safety margins.
Bewezen betrouwbaarheid: Forged construction and premium materials ensure consistent performance under the most strenuous conditions.
Superior Durability: Advanced heat treatment and protective finishes maximize hook lifespan, reducing replacement costs and downtime.
Mondiale technische uitmuntendheid: Backed by Weihua Group’s extensive R&D, manufacturing prowess, and stringent quality control.
Comprehensive Support: Worldwide sales and service network providing expert advice, spares, and maintenance support.

When your operations demand absolute certainty under immense loads, trust the engineered strength and unwavering reliability of Weihua heavy duty lifting hooks. They are not just hooks; they are a critical safety component engineered to perform flawlessly, lift after lift.
Contact Weihua or your authorized distributor today to discuss your specific heavy lifting requirements and discover the optimal heavy duty lifting hook solution for your most challenging applications. Visit the Weihua website for detailed catalogs and technical specifications.


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