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Home Business Areas Castings & Forgings Shipbuilding Components

Castings & Forgings

Boasting systematized production facilities and superior technology, Doosan Heavy Industries & Construction provides extra-large casting and forging products for power plants, marine vessels, iron and steel making, mold and tool steel, and other industrial facilities all around the world.

Doosan Heavy Industries & Construction: Castings and Forgings

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Shipbuilding Components

Shipbuilding Components

Doosan Heavy Industries & Construction produces components for all the major ship classifications (ASB, DNV, LR, GL, KR, BV, NK, RINA, CCS). We produce crankshafts for marine engines ranging from 50MC to 14RTF96C, stern frame castings, shafts and stocks, and rudder trunks that weigh up to 300 tons, all of which are supplied to the major Korean shipyards (Hyundai, Daewoo and Samsung) as well as to overseas shipyards. The exceptional quality and technological sophistication of Doosan's crankshafts and rudder horns are widely recognized, and have been designated as World-Class Products by the Korean government.


Doosan Heavy Industries & Construction : Shipbuilding
Doosan IMGB : Shipbuilding Components


Related Products

Crank Shaft

Crank Shaft

A crankshaft is a device that converts the up/down movement of piston from engine explosion to rotational movement to drive the propeller shaft. Large crankshafts manufactured by Doosan Heavy Industries & Construction consist of a crank throw, main journal, flange journal and thrust shaft that are separately manufactured and integrated into a single body using the Shrink Fitting Method for final assembly. The company manufactures the forged products for large and low speed engines.

Doosan Heavy Industries & Construction : Crank Shaft

Marine Shaft

Marine Shaft

Marine shafts are categorized into propeller shafts and intermediate shafts, with variations in the quantity and type of shaft depending on the size of the ship. A propeller shaft is assembled with propellers, and intermediate shafts may be assembled together with a crankshaft so that rotational movement can be delivered to the intermediate shaft to drive the propellers.

Doosan Heavy Industries & Construction : Marine Shaft

Stern Forge Product

Stern Forge Product

Doosan Heavy Industries & Construction boasts the largest production capacity of stern forge products, and has a history of manufacturing integrated-type stern forge products weighing up to 210 tons. The rudder horn and stern boss, or stern frame cooling, are key parts of a ship's steering and propulsion system, and are installed at the stern, so they are generally categorized as stern forge products.

Doosan Heavy Industries & Construction : Stern Forge Product