Ra ≤3,2μm
Tolérance
±0,05–0,15mm
- →Seawater corrosion: standard stainless steels susceptible to pitting and crevice corrosion — duplex alloys required
- →Propeller and impeller cavitation erosion requires NAB or duplex alloys with high hardness
- →ABS, DNV GL, and Lloyd's Register classification requirements with surveyor witnessing
- →Large component sizes: propeller hubs and shaft flanges up to 2,000kg require centrifugal casting
- →Biofouling resistance for underwater components — NAB provides natural antifouling properties
⚙️ ||| SEP||| Coulée centrifugée
- Nickel-aluminum bronze (NAB) investment and sand casting for propellers and impellers
- Duplex 2205 and super duplex 2507 for seawater pump casings and valve bodies
- Centrifugal casting for propeller shafts and cylindrical components up to 2,000kg
- ABS, DNV GL, and Lloyd's Register classification with full NDT and surveyor witnessing
- Full material heat number traceability and mill certification on every shipment
Grade CT
Surface Ra
Arbres d'hélice
Composants de roue
Ventilateurs d'ancragePompes à eau de mer
Corps de vanneCT8-CT10
Raccords de pontConnecteurs offshore
Boîtiers propulseursBesoin de solutions de coulée pour le secteur maritime?
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CT GradeCT4-CT6
Surface RaRa ≤3.2μm
Tolerance±0.05–0.15mm
⚙️Moulage centrifuge
CT GradeCT7-CT9
Surface RaRa ≤6.3μm
Tolerance±0.10–0.30mm
* Tolerances based on ISO 8062 / GB/T 6414 standards. Actual values depend on part geometry, material, and process parameters.
Recommended Casting Processes
Typical Parts We Produce
Propeller ShaftsRudder ComponentsAnchor WindlassesSeawater PumpsValve BodiesDeck FittingsOffshore ConnectorsThruster Housings