The crane double hook block is forged from high-strength alloy steel and treated for maximum durability. Its dual-hook design distributes loads evenly, minimizing swing and enhancing lifting safety. Each hook block crane is tested with ultrasonic inspection and overload verification to guarantee long service life. Customization is available for different crane hook block types and crane hook block weight, making it suitable for standard, port, and mobile cranes.
| Parameter | Details & Description |
| Material | Q345qD, Q420qD alloy steel / DIN standard 34CrMo4, 34CrNiMo6, etc. |
| Load Range | 3.2 tons – 250 tons (customizable up to 500 tons) |
| Surface Treatment | Anti-rust coating / Electroplating / Special coating (optional) |
| Safety Factor | ≥ 4 times the rated load |
| Pulley Material | Hot-rolled Q235B or Q345B steel |
| Temperature Range | -20℃ ~ 120℃ (customizable for special environments) |
| Manufacturing Process | Integral forging + Heat treatment + Precision machining |
| Testing Standards | Magnetic particle inspection / Ultrasonic testing / 1.5-times rated load test |
| Certifications | ISO 9001 / CE / SGS (varies by model) |
| Warranty Period | 12 months (under normal working conditions) |
1.Strong load capacity: 3.2–250 tons, extendable to 500 tons.
2.Balanced lifting: Dual hooks reduce swing and improve safety.
3.Durable material: Forged alloy steel ensures strength and wear resistance.
4.Flexible options: Multiple crane hook block types to meet different working conditions.
5.Wide compatibility: Fits overhead, gantry, port, and mobile cranes.
Its applications include container and bulk cargo handling in ports, ladle and casting transportation in metallurgy, ore and machinery lifting in mining, steel structure and prefabricated part hoisting in construction, and heavy goods stacking and moving in logistics.
1.Forged Double Hooks: Drop-forged for excellent toughness.
2.High-Strength Crossbeam: Even force distribution across both hooks.
3.Wear-Resistant Pulleys: Reduce rope wear and extend service life.
4.Precision Nuts & Pins: Prevent loosening during heavy loads.
5.Surface Protection: Multi-layer anti-rust coating for harsh environments.
Hanko Heavy Industry has advanced facilities and strict quality control. Every crane double hook block is tested with magnetic particle inspection, ultrasonic detection, and overload verification before delivery. Certified by ISO and CE, our products guarantee safety and reliability. We are manufacturers of crane double hook blocks, offering both standard and customized solutions. Whether you need a specific mobile crane hook block weight or specialized designs, we deliver robust, long-lasting products with full technical support.
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