Marine Industry Machining - Corrosion-Resistant Components
Precision CNC machining of marine parts
Precision CNC machining is a process that removes material from a workpiece to create a desired shape or finish. This process is often used to create parts for the marine industry, as it offers a high degree of accuracy and precision.
CNC machining services have a great opportunity to increase their business in the marine industry. Marine equipment components must be produced to very exacting standards, with tight tolerances, high precision, and durable materials. This demand creates an opportunity for CNC machining services to fill this need.
CNC Machine Applications in the Marine Industry
CNC machines are increasingly being used in the marine industry, thanks to their ability to create complex parts with a high degree of accuracy. In this industry, accuracy is critical, as even a small mistake can lead to catastrophic results.
CNC machines can be used to create a wide variety of parts for boats and other marine vehicles, including hulls, decks, and superstructure components. They can also be used to create smaller parts such as hardware, fittings, and pipes.
Thanks to their versatility and accuracy, CNC machines are becoming an essential part of the marine industry. With their help, we can build better and safer boats that can withstand the challenges of the open sea.
Customized Marine Parts by China CNC Machining Parts Factory
As a leading China CNC machining manufacturer, we offer competitively priced, high quality and low cost marine parts. Our one-stop CNC machining services include CNC milling, CNC turning, EDM, wire EDM, surface grinding, and more. We’re equipped with a full range of advanced CNC machines to handle both small and large orders with tight tolerances.
We offer customized marine parts in a variety of materials, including aluminum, brass, stainless steel, and more. Contact us today to discuss your specific requirements.
Do you have drawings or component samples?
Please provide your requirements and drawings. We will customize according to your specifications. Alternatively, you can send us sample parts, and our engineers will provide drawings based on the actual parts and produce samples for your reference.
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Marine Industry Core Pain Points
● Extreme corrosion resistance in saltwater environments● High strength-to-weight ratio requirements● Strict marine safety standards● Long service life in harsh conditions● Custom solutions for unique vessel designs● Pressure and leak testing for fluid componentsFRIMA Solutions
FRIMA offers custom CNC-machined marine components that must withstand the corrosion of seawater and harsh marine environments. We typically employ precision CNC machining, a process known for its extremely high accuracy and precision. We also use marine-grade materials and advanced surface treatment technologies to ensure superior durability and corrosion resistance. Our experienced team can manufacture standard and custom parts for all types of vessels. -
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FRIMA Provides Core Processing Capabilities for the Marine Industry
● Precision machining of 316L stainless steel, marine aluminum and bronze● 5-axis CNC milling for complex marine components● CNC turning for shafts, valves and fittings● Advanced anodizing and coating treatments● Pressure and leak testing for fluid components● Custom finishing and polishingOur Advantages in the Marine Industry
Classification Society Certification
We can provide parts certified by classification societies such as ABS, LR, DNV, and BV.Professional Corrosion Protection Technology
With over 10 years of experience in marine corrosion protection, we provide comprehensive corrosion protection solutions.Large Parts Machining
We can machine marine parts with a maximum diameter of 2000mm and a maximum length of 5000mm.Underwater Parts Manufacturing
We specialize in manufacturing underwater equipment parts that can withstand pressure at a depth of 1000 meters.Rapid Response Team
24/7 response time, providing emergency parts for ship repairs.Typical Application Parts
● Boat & Yacht Hardware: Cleats, bollards, rails, handles, hinges● Propulsion Systems: Propellers, rudders, shafts, engine mounts● Fluid Systems: Valves, pumps, fittings, manifolds● Navigation & Electronics: Antenna mounts, sensor housings, instrument panels● Deck Equipment: Winches, anchors, davits, steering components -

Core Processes Technologies We Can Provide
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Process Type |
Technical Specifications |
Application Scenarios |
|
Marine Steel Machining |
AH36, DH36, EH36 marine steels, tolerance ±0.02mm |
Hull structures, deck machinery |
|
Copper Alloy Machining |
Brass, bronze, cupronickel, tolerance ±0.01mm |
Valves, pump bodies, propellers |
|
Hard Anodizing |
Film thickness 25-50μm, 1000-hour salt spray test |
Aluminum parts, deck equipment |
|
Hot-Dip Galvanizing |
Zinc layer thickness 85-120μm, 500-hour salt spray test |
Steel structures, railings, brackets |
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Pressure Testing |
Maximum test pressure 100MPa |
Valves, pipes, pressure vessels |
Marine Industry Full-Process Quality Control
● Raw Material Inspection: Checking classification society certificates and material specifications for marine materials.
● Process Control: Strictly controlling welding, heat treatment, surface treatment, and other processes.
● Non-Destructive Testing: Performing non-destructive testing on critical welds and components.
● Pressure Testing: Conducting hydrostatic or pneumatic pressure tests on all pressure-bearing components.
● Salt Spray Testing: Conducting salt spray tests according to ASTM B117 standard to verify corrosion resistance.



Quality and Compliance Standards
● ISO 9001:2015 certified
● Marine-grade materials only (316L, 5083 aluminum, bronze)
● Salt spray testing up to 1000 hours
● Hard anodizing and chromate conversion coatings
● Pressure and leak testing for all fluid components
● Full material traceability
FRIMA Customer Case: Custom 316L Stainless Steel Deck Cleats For A Yacht Manufacturer
Challenge: The customer needed high-strength deck cleats with a polished finish that would resist corrosion in saltwater environments
Solution: FRIMA manufactured the cleats using 316L stainless steel with a mirror polish finish
Result: The cleats have been tested to withstand loads up to 10,000 lbs and have shown no signs of corrosion after 5 years of use
FAQ
- A: We only use marine-grade materials, including 316L stainless steel, 5083 and 6061 aluminum alloys, bronze alloys, and other materials customized to your needs.
- A: Yes, we conduct salt spray testing up to 1000 hours to ensure our parts meet the highest corrosion resistance standards.
- A: Yes, we offer a variety of finishes including mirror polishing, brushed finish, anodizing and powder coating.
- A: Yes, all valves, pumps and other fluid components are pressure tested to ensure they are leak-free before shipment.
Q: What materials do you use for marine components?
Q: Do you perform salt spray testing?
Q: Can you provide custom finishes for marine parts?
Q: Do you pressure test fluid components?
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