Custom Machined Parts Marine Stainless Steel Ring Screw Cable Ring Parts

Custom Machined Parts Stainless Steel Marine Ring Screw Cable Ring Parts

Engineered for Harsh Marine Environments

We manufacture high-performance stainless steel ring screws and cable rings designed to withstand saltwater corrosion, extreme loads, and constant vibration. CNC-machined from 316/316L marine-grade stainless steel, these components meet stringent DNV-GL, ABS, and ISO 12215-9 standards for marine hardware.

PRODUCT DETAILS

1 . Material Specifications

Primary Material : 316/316L Stainless Steel (A4 Marine Grade)

Alternative Options : 304, Duplex 2205 (for higher strength)

Key Properties :

Tensile Strength : 515–690 MPa

Corrosion Resistance : Pitting Resistance Equivalent Number (PREN) >35

Surface Finish : Passivated or electropolished (Ra ≤1.6 μm)

2 . Manufacturing Process

Precision CNC Machining : ±0.05mm tolerance for critical dimensions

Threading : ISO metric, UNC/UNF, or custom profiles (rolled or cut threads)

Heat Treatment : Solution annealing for stress relief (optional)

Secondary Operations :

Deburring & edge radiusing

Hot-dip galvanizing (for hybrid steel/stainless systems)

3 . Product Range

4 . Quality Assurance

Certifications : DNV-GL, ABS, Lloyd's Register Type Approval

Testing :

Salt spray testing (1000+ hours to ASTM B117)

Load testing to 150% of working limit

Magnetic particle inspection (for critical welds)

5. Applications

Marine & Offshore :

Rigging systems

Mooring equipment

Sailboat hardware

Industrial :

Crane slings

Safety tether points

Architectural cable systems

ORDERING INFORMATION

• MOQ : 100 pieces (lower quantities for prototyping)
• Packaging : PVC-coated, VCI paper, or wooden crates
• Export : CE marked, compliant with EU Marine Equipment Directive

Submit your CAD drawings or specifications for instant DFM feedback!

Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.
We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful quality control system, and professional customer service... We will offer professional services, high-quality products and favorable prices. We sincerely welcome domestic and foreign customers to cooperate with us!