Ningbo Ruican manufactures the barge propeller shaft bracket using investment casting for tugboats, fishing vessels, cargo ships and workboats. The Stainless Steel CF8M construction gives the part the strength and corrosion behavior demanded by modern marine and shipbuilding applications. Tight-tolerance CNC machining, surface treatment and final inspection are completed in-house, so buyers receive a ready-to-assemble component with EN-compliant certification and full batch traceability.
Specifications
| Parameter | Value |
|---|---|
| Material | Stainless Steel CF8M (316) |
| Casting Process | Investment Casting |
| Weight Range | 0.05 – 15 kg |
| Dimension Tolerance | ISO 8062 CT5-CT7 |
| Surface Treatment | Shot blasting + passivation |
Key features
- As-cast tolerance ISO 8062 CT5-CT7 with CNC machining to drawing tolerances
- Stainless Steel CF8M melt with furnace-number traceability for every batch
- Surface finished by shot blasting + passivation
- One-stop service: casting, machining, drilling, tapping and coating
- Low-to-mid volume OEM/ODM production with stable lead times
Applications
- Propulsion and shafting supports
- Seawater cooling and piping systems
- Hull fittings and hatch hardware
- Rudder and steering gear systems
- Mooring and deck equipment
Quality & compliance
Marine castings use EN 1982 copper alloys and ASTM A743 stainless grades. Each batch carries material certificates and heat-number traceability; salt-spray relevant surfaces are passivated or coated as specified.
FAQ
What is the MOQ for barge propeller shaft bracket?
MOQ starts from 50-100 pcs depending on size and process. Sample batches and prototype castings are welcome for validation.
What tolerances can you hold on the barge propeller shaft bracket?
As-cast tolerance follows ISO 8062; critical faces are CNC machined to drawing tolerance, typically IT7-IT9.
Can you provide material certificates?
Yes. Each batch ships with EN 10204 3.1 material certificates and full heat-number traceability.
Need a quote for barge propeller shaft bracket? Send your drawing to sales@cnsandcasting.com or WhatsApp +86 137 7712 4360 for a fast RFQ response from Ningbo Ruican.














