CNC machined titanium propeller

Product Introduction 

CNC Machined Titanium Propeller — Custom Marine & Aerospace Propulsion Component with Zero Cavitation Erosion

A CNC machined Titanium propeller is the ultimate in marine and aeronautical propulsion engineering. Each propeller is machined from a solid titanium billet utilising 5-axis CNC technology and is available in diameters from 200mm to 1200mm with tolerance of up to ±0.02mm. Dynamic balance is tested with precise instruments and 3D CAD/CAM modelling assures an optimised hydrodynamic flow. If you require a propeller for a superyacht, ROV or high-performance racing vessel, we custom manufacture in Grade 2 through Grade 23 titanium.

Product Specification & OEM Customization

Parameter	Details
Material Grade	Grade 2, Grade 5 (Ti-6Al-4V), Grade 7, Grade 9, Grade 23
Material Standards	ASTM, AMS, ASME, DIN, or customer-specified standards
Propeller Diameter	200–1200 mm, custom sizes available
Blade Configuration	2–6 blades, customized according to design
Dimensional Tolerance	As per drawing; down to ±0.02 mm for selected machined features
Propeller Type	Fixed-pitch or custom-designed propellers
Machining Process	CNC turning, 3/4/5-axis milling, precision machining, finishing and balancing
Surface Finish	Machined, polished, sandblasted, pickled or anodized
Inspection & Balance	Dimensional inspection, surface inspection and dynamic/static balancing available
Design Input & Customization	2D drawings, 3D CAD models or samples; OEM/ODM available

Product Features

Product Application

Marine Vessels & Yachts — Superyachts and luxury vessels benefit from titanium's corrosion resistance and weight reduction. Thinner blade sections improve acceleration and top speed compared to standard aluminum OEM propellers.

ROV & AUV Propulsion — Deep-sea autonomous vehicles require non-magnetic, corrosion-resistant propulsion that survives months-long saltwater deployments. Titanium meets all these requirements simultaneously.

Offshore Racing Powerboats — Class 1 offshore racing demands propellers that survive extreme RPMs and surface-piercing forces. Titanium's high fatigue limit prevents blade deformation under these severe cyclical loads.

Aerospace & Defense — Propulsion components for specialized aerospace platforms where weight and structural integrity are non-negotiable.

Why Choose Us

Unlike cast stainless steel propellers, our titanium propellers are machined from dense, pore-free forged billets. This eliminates internal voids and casting defects that cause blade fracture under load.

Titanium’s passive oxide coating renders it completely resistant to seawater corrosion and cavitation erosion. At high RPMs water vapour bubbles bursting produce tiny pitting on stainless steel -- titanium resists this entirely.

Titanium is around 40 to 45 percent lighter than stainless steel giving us less rotating mass and a better engine throttle response. You gain quicker spool-up, higher fuel economy and longer component life.

Manufacturing Capability

Baoji Huacan operates 40+ CNC lathes, machining centers, and gantry systems from Baoji — China's "Titanium Valley." Annual production capacity exceeds 1,000 tons of machined components, supported by over 10 years of titanium machining experience.

Forging capability includes a 4,000-ton hydraulic press for billet preparation, ensuring dense, defect-free raw material before machining begins.

melting	melting	forging	forging	rolling

Quality Control

Each CNC machined titanium propeller passes a multi-stage inspection protocol. CMM 3D scanning verifies blade pitch, rake angles, and skew against CAD models per ISO 484 Class S tolerances.

Dynamic balance testing follows ISO 1940-1 Grade G2.5 or G1.0 standards. NDT includes dye penetrant inspection for surface micro-cracks and ultrasonic testing to confirm billet integrity. Mill Test Certificates verify ASTM Grade 5 chemical composition before production.

Packaging & Shipping

We also provide airfreight for urgent orders. Sea freight deals with low-cost bulk shipping.

FAQ

Q: Are grade 5 propellers better than grade 2?

A: Yes. Grade 5 (Ti-6Al-4V) is the industry standard. Grade 2 is overly soft under load and flexes the blade, reducing efficiency.

Q: Are titanium propellers repairable?

A: Yes, however the TIG welding must be done in an inert atmosphere devoid of oxygen to avoid embrittlement.

Q: How long does a titanium propeller last?

A：Under normal conditions without physical impact, lifespan is virtually indefinite due to corrosion and cavitation immunity.

Q: Do you support small-batch orders?

A：Yes. We support prototypes, small batches, and long-term OEM supply.

Contact Us

Ready to order your custom CNC machined titanium propeller? Email sherry@hc-titanium.com for specifications, pricing, and lead times.