Ship building

Applications

Rudder mechanisms, drive systems, periscope and shaft tubes

Ranges of dimensions

AD min.: 80 mm, max.: 1,500 mm, ID min.: 55 mm, max. cast weight: 3.3 t, max. length: 8 m (welded construction)

Components

Rudder-shaft casings, liners, rudder-pintle casings, support rings, articulation rings, articulation bushes, stern tubes, shaft brackets, sleeves, seals, sealing bushes, bushings for bow thrusters, articulated rods for rudder mechanisms, shaft tubes for periscopes and antennas

Special requirements of the materials used

Steel with increased strength, toughness and corrosion-resistance properties, anti-magnetic stainless steels

Material groups

Duplex steels, corrosion-resistant martensite steels, austenitic anti-magnetic alloys

Materials

1.4470 (1.4462), J93371 (1.4460), 1.4340, J92615, 1.4405 (1.4418), 1.4059 (1.4057), 1.4138, 1.4085, 1.3967 (1.3964, ~ 1.3976)

* Materials listed in italics are those that consist of our material-matched forged alloys