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, manufacturing, shipbuilding, mining, and port logistics, Weihua hooks deliver unparalleled performance where failure is not an option.
Волеуа Гроуп, Глобално препознати лидер у дизању и решења за подизање, brings decades of specialized engineering expertise to every Heavy Duty Lifting Hook they manufacture. Choosing Weihua means investing in:

| Parameter Category | Спецификације | Notes/Optional Configurations |
| Core Specifications | ||
| Лимит радног оптерећења (Ви) | 1 ton ~ 500 тона | Customizable (до 1000+ тона) |
| Сигурносни фактор | ≥ 5:1 | Complies with FEM/ASME (до 6:1) |
| Радна температура | -40°C to +200°C | Обичај: -196°C or +450°C |
| Structural Design | ||
| Материјал | High-tensile alloy forged steel (35CrMo, 42CrMo, 34Cr2Ni2Mo) | Meets GB/T 3077, DIN EN 10083 |
| Manufacturing Process | Closed-die forging + CNC machining | Grain flow follows hook contour |
| Тип куке | – Single Hook (Clevis/Eye Shank) – Ramshorn (Double) Hook - Окретни дизалице за кран |
Bearing type: Tapered/ball roller |
| Throat Diameter (D) | 50mm ~ 1500mm | Customizable per load geometry |
| Сигурносне карактеристике | ||
| Safety Latch Type | – Spring Latch – Positive Locking Latch – Latchless |
Locking force ≥ 10% Ви (mechanical) |
| Latch Material | Alloy steel + surface hardening (HRC 40-45) | Impact-resistant design |
| Површински третман | ||
| Standard Anti-Corrosion | Electro-galvanized (8-12μm) | Salt spray test > 96 hours |
| Enhanced Protection | – Hot-dip galvanized (70-100μm) – Xylan®/Dacromet coating |
Marine/chemical environments |
| Certifications | ||
| Дизајнерски стандарди | ИСО 9001, АСМЕ Б30.10, Фем 9.511, Од 15401, GB/T 10051 | |
| 3rd-Party Certification | TÜV, DNV-GL, Lloyd’s Register, Це | Nuclear (ASME NQA-1), Рударство (MSHA) |
| Testing Methods | - 100% МПИ – Ultrasonic Testing (Ут) – Proof Load Test (1.5×WLL) |
MTC & test reports available |
| Mounting Interface | ||
| Shank Diameter | 20mm ~ 300mm | Tolerance: H7/g6 (Од 6885) |
| Pin Type | – Clevis Pin (Од 688) – Eye Bore (Од 15403) |
Lock nuts/cotter pins standard |
| Customization Options | ||
| Посебне карактеристике | – Load cell slots – RFID tag grooves – Latch sensor ports |
IoT/automation ready |
| Extreme Environments | – Cryogenic (-196° Ц) – High-temp coating (+650° Ц) – Explosion-proof (ATEX/IECEx) |
Deep cryogenic/heat treatment |

1. Ви & Сигурносни фактор
Minimum breaking strength = WLL × Safety Factor (Нпр., 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 (ИСО 281)
3. Corrosion Protection Comparison
| Coating Type | Environment | 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, Gantry, Jib)
2. Foundries and Steel Mills
3. Heavy Machinery Fabrication & Installation
4. Shipbuilding & Dry Dock Operations
5. Рударство & Mineral Processing
6. Power Generation (Turbine, Transformer Lifts)
7. Bridge & Major Infrastructure Construction
8. Port Terminal Container Handling & Heavy Lift Operations

Uncompromising Safety: Built to the highest global standards with massive safety margins.
Proven Reliability: 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.
Global Engineering Excellence: 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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