Deck cranes on ships are versatile lifting devices used to load and unload cargo, containers, and supplies. They are mounted on the ship's deck and can rotate for efficient operation. These cranes are essential for handling goods in ports or at sea without needing shore-based equipment.

Deck Crane on Ship Key Specifications:

- Size: Typically 5 to 30 tons SWL (Safe Working Load), boom length 10 to 30 meters.

- Grade: Marine-grade steel (AH36/DH36/EH36) or stainless steel for corrosion resistance.

- Viscosity: Hydraulic oil ISO VG 32 to 68, depending on operating temperature.

- Buoyancy: Not applicable (fixed structure, but designed to withstand ship motions).

- Material: High-tensile steel, aluminum alloys, or composites for lightweight models.

- Rotation: 360-degree continuous or limited slewing.

- Power: Electric or hydraulic drive, 15 to 150 kW.

- Weatherproofing: IP56 or higher for marine environments.

- Safety: Overload protection, emergency stop, and anti-collision systems.

- Compliance: IMO, DNV, ABS, or other marine classification standards.