Crane Hook Block

Product Overview

Flagcrane has developed series of crane hook block in accordance with the latest requirements and techniques FEM 1001 and DIN STANDARD 15020.

The crane hook block is generally made of DG20 steel and DG34GrMo alloy steel, which is forged, pressed, annealed and then machined.

It has the characteristics of high strength, good plasticity and toughness.

The crane hook block is generally made of A3, 20# or 16Mn steel plate, the thickness is not less than 20mm, without sudden break, and the reliability is high.

Flaps of hook block are generally used in places with large tonnage in high temperature environments. .

All hooks will be equipped with safety latch to prevent the load from unhooking.

Ratio of pulley diameter and wire rope diameter is greater than 20 to ensure service life of rope.

A protective pad is set at the hook mouth to ensure that the hook mouth will not be damaged by the friction of the spreader and prolong its service life.

The protective pad can be replaced when it is damaged.

The single hook is simple to manufacture and easy to use, but the force is not good, and it is mostly used in the workplace with a lifting capacity of less than 80 tons.

When the lifting capacity is large, double hooks with symmetrical forces are often used.

Laminated hooks are riveted from several cut and formed steel plates.

When individual plates have cracks, the entire hook will not be damaged.

The safety is good, but the self-weight is large.

Most of them are used for large lifting capacity or lifting molten steel ladle on the crane.

The hook is often impacted during the operation and must be made of high-quality carbon steel with good toughness.ne system to operate quickly, stably and reliably.

Key Advantages

This crane model is engineered for long service life and low maintenance in demanding industrial environments. Buyers choose it because it is built by the factory itself, with steel structure processed by CNC cutting and automated welding for dimensional accuracy and consistent quality.

• ‌ Anti-Fall Design‌: Features like safety latches, limit slots, and anti-drop guards prevent lifting straps or heavy loads from slipping, especially in high-altitude or windy conditions.
• ‌ Overload Protection‌: Built-in sensors monitor weight in real-time. If overloaded, the system triggers an alarm and stops operations to avoid accidents.
• ‌ Durable Materials‌: Made with wear-resistant materials (e.g., manganese steel) and impact-absorbing pads to withstand harsh conditions and extend lifespan.
• ‌‌Precision Control‌: Supports wireless remote control and smart systems (like PLC) for accurate lifting of containers, steel beams, and more.
• ‌Heavy-Duty Capacity‌: Available in single/double hooks or closed designs, with lifting capacities up to 250 tons.
• ‌360° Rotation‌: Electric rotating hooks adjust load angles effortlessly, ideal for ports and factories.
• ‌Multiple Designs‌: Forged hooks (high strength) and modular hooks adapt to different loads and industries.
• ‌Tough Environments‌: Waterproof and corrosion-resistant options work underwater or in extreme heat (e.g., steel mills, ports).
• ‌Lightweight Build‌: Reduces crane energy use and operating costs.
• ‌ Easy-to-Replace Parts‌: Modular components (e.g., guards, springs) minimize downtime.
• ‌ Long Lifespan‌: With proper care, hooks last 8-10 years and require minimal upkeep.

Main Features

Every Crane Hook Block leaves the factory complete with the following standard features, verified during final inspection and load testing:

• Special heat-treated forged steel hook block with latch.
• Heavy duty worm gear reducer.
• Tapered roller bearing with grease fittings.
• Forged steel pulleys with hardened rope grooves.
• Easy maintenance.
• Direct spur gear transmission.

Applications & Working Conditions

The Crane Hook Block is used across industrial plants, warehouses, steel mills, power stations, ports and logistics centers. It is available with optional lifting attachments such as lifting beams, electromagnets, grabs, C-hooks and coil tongs for special material handling.

Standard models operate in ambient temperatures from -20°C to +50°C. For special environments, we can supply explosion-proof electrics, high-temperature paint systems, dust-proof protection or corrosion-resistant coatings. Tell us your working condition and our engineers will confirm the correct configuration.

Customization Options

We customize span, lifting height, working class, control mode (pendant, wireless remote or cabin), and add frequency conversion speed control, explosion-proof protection or special coatings to suit your environment. Tell us your requirements and our engineers will prepare a tailored proposal.

Standard Supply Scope

Your order includes the complete crane structure, travelling mechanism, hoisting trolley or hoist, electrical control system, safety devices (limit switches, overload limiter, buffers, emergency stop), operation manual and inspection certificates. Optional extras include wireless remote control, frequency inverter, cabin with heater/air conditioner, lighting and special lifting attachments.

Quality Control & Testing

All structural welding is performed by certified welders and inspected before painting. Each crane undergoes no-load and full-load testing on our test bench, including brake test, limit switch verification and electrical safety check. Third-party inspection (SGS or buyer-nominated) is available before shipment.

Packing & Shipping

Cranes are shipped in knockdown form with steel structure, wheels, trolley, electrics and hardware carefully packed to prevent damage during ocean freight. Export packing follows our standard seaworthy specification, with wooden cases for electrics and control panels. Delivery options include FOB, CIF and DDP to your port.

Installation & After-Sales

We offer installation supervision and commissioning by our engineers, or fully turnkey installation by our experienced team. After commissioning we provide operator and maintenance training, a complete documentation package, and 24/7 spare parts and technical support for the lifetime of the crane.

What to Include in Your Inquiry

To receive an accurate quotation, please send us the following details with your inquiry: required lifting capacity (ton), span or working radius, lifting height, duty / working class, control method (pendant, radio remote or cabin), power supply voltage, site environment (indoor, outdoor, high temperature, dusty, explosion-proof area), and quantity. The more detail you provide, the faster our engineers can confirm the design and price.

Why Buy This Model from FLAGCRANE

You are buying directly from the factory that designs and manufactures the equipment. That means factory-direct pricing, engineering support before and after the order, consistent quality across repeat purchases, and a single accountable partner from drawing approval to commissioning. Our 30+ years in crane manufacturing, 850,000 m² plant and export experience to 50+ countries give buyers the confidence to plan around our delivery schedule.

Typical Configurations

The table below shows common configuration combinations for this model line. Final specifications are always confirmed by our engineers against your site conditions before production.

Parameter	Standard Range
Lifting Capacity	0.5t~200t (customized)