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OEM Custom Stainless Steel 3-Blade Marine Propeller (Precision Investment Casting)

Product Overview
This high-performance 3-blade stainless steel marine propeller is engineered for optimal hydrodynamic efficiency, high thrust, and exceptional durability in demanding marine environments. Manufactured via state-of-the-art precision investment casting (silica sol process), it features an optimized turbine blade configuration that minimizes cavitation while maximizing fuel efficiency and propulsion. Designed for boats, yachts, commercial vessels, and specialized underwater propulsion systems, this propeller delivers unparalleled reliability and long-term mechanical stability under heavy load conditions.

Technical Specifications

Parameter	Technical Specification
Product Name	Custom 3-Blade Stainless Steel Marine Propeller
Manufacturing Process	Silica Sol Investment Casting (Precision Casting) + CNC Machining
Material Grades	Stainless Steel 304, 316, 316L, 17-4PH, Duplex Steel (Fully Customizable)
Surface Finish	Sandblasting (Optional: Mirror Polishing, Passivation, Electro-polishing)
Dimensions & Size	Fully customized according to customer’s 2D/3D technical drawings or samples
Manufacturing Tolerances	Casting: ISO 8062 CT4 – CT6; CNC Machining: Up to ±0.01 mm
Quality Certifications	CE, ISO 9001:2000, ISO 9001:2008
Applicable Industries	Marine Propulsion, Commercial Shipbuilding, Water Turbines, Industrial Impellers
Customization Scope	100% Full OEM/ODM Customization (Blade Pitch, Diameter, Bore Size, and Materials)