Course on Polishing and Finishing Metal Surfaces
Why this course?
The Polishing and Finishing of Metal Surfaces
This course provides you with the practical skills and theoretical knowledge necessary to transform raw metals into flawless pieces. Learn the most effective techniques for removing imperfections, achieving mirror finishes, and protecting your work against corrosion. This program is ideal for both beginners and professionals looking to refine their skills.
Differential Advantages
- Mastery of Abrasives: Selection and correct use of sandpaper, compounds, and polishing wheels.
- Advanced Techniques: Hand polishing, machine polishing, and specialized techniques for different metals.
- Safety and Prevention: Safe handling of tools and chemicals, personal protective equipment.
- Professional Finishes: Achieve consistent, high-quality results on every project.
- Practical Applications: Work on real-world projects and apply what you’ve learned in real-life situations.
- Modality: Online
- Level: Cursos
- Hours: 150 H
- Start date: 25-04-2026
Availability: 1 in stock
Who is it aimed at?
- Production operators looking to perfect polishing, buffing, and satin finishing techniques on various metals.
- Industrial maintenance technicians who need to master the repair and reconditioning of damaged metal surfaces.
- Craftspeople and jewelers who want to achieve flawless finishes on their creations, from initial roughing to final polishing.
- Automotive and marine professionals interested in the aesthetic maintenance and protection of metal components.
- Vocational students in metallurgy and manufacturing seeking practical specialization in surface finishes.
Flexibility and Applicability
Adapted for practical learning: detailed demonstration exercises, abrasive selection guide, and case studies for each sector.
Objectives and competencies

Apply polishing techniques to obtain metallic surfaces with mirror finishes and precise tolerances:
“Select abrasives, control pressure and speed, and verify flatness and brightness with measuring instruments.”

Select and use appropriate abrasives and tools to achieve the desired surface finish on different metals:
“Considering the type of metal, the required finish, and safety, choosing the optimal grain, material, and tool.”

Evaluate and correct surface imperfections in metals through polishing and finishing processes:
“Identify, analyze and rectify defects (scratches, rust, burrs) using specialized polishing techniques and tools, ensuring an optimal and lasting finish.”

Interpreting drawings and technical specifications to ensure compliance with surface finish requirements on metal components:
“Identify indicated dimensional tolerances, roughness, and surface treatments, selecting appropriate measurement and verification methods.”

Implement industrial safety and hygiene measures during the polishing and finishing process of metal surfaces:
“Identify risks (chemical, physical, ergonomic), use appropriate PPE, and apply safe procedures for handling tools and products.”

Control the quality of the surface finish:
“Visually inspect for defects (scratches, bubbles, irregularities) and use measuring instruments (roughness testers, gloss testers) to ensure that it meets specifications.”
Curriculum - Modules
- Comprehensive Maritime Incident Management: protocols, roles, and chain of command for coordinated response
- Operational Planning and Execution: briefing, routes, weather windows, and go/no-go criteria
- Rapid Risk Assessment: criticality matrix, scene control, and decision-making under pressure
- Operational Communication: VHF/GMDSS, standardized reports, and inter-agency liaison
- Tactical Mobility and Safe Boarding: RHIB maneuvers, approach, mooring, and recovery
- Equipment and Technologies: PPE, signaling, satellite tracking, and field data logging
- Immediate Care of the Affected: primary assessment, hypothermia, trauma, and stabilization for evacuation
- Adverse Environmental Conditions: swell, Visibility, flows, and operational mitigation
Simulation and training: critical scenarios, use of VR/AR, and exercises with performance metrics
Documentation and continuous improvement: lessons learned, indicators (MTTA/MTTR), and SOP updates
- Introduction to Metals: Properties, Alloys, and Industrial Applications.
- Polishing Safety: Personal Protective Equipment (PPE), Ventilation, and Chemical Handling.
- Tools and Equipment: Types of Polishers, Discs, Buffing Pads, Sandpaper, and Their Specific Uses.
- Surface Preparation: Cleaning, Degreasing, and Removal of Imperfections (Rust, Scratches).
- Sanding Techniques: Grits, Sequences, and Pressure Control for a Uniform Finish.
- Polishing Compounds: Types of Pastes and Liquids, Selection According to the Metal and Desired Finish.
- Polishing Process: Stages (Cutting, Polishing, Buffing), Machine Speed, and Angle of work.
Polishing of different metals: Stainless steel, aluminum, copper, brass – specific techniques and products.
Quality control: Visual inspection, defect detection and correction of imperfections.
Maintenance of tools and equipment: Cleaning, lubrication and replacement of consumables.
‘
- Introduction to the Science of Metallic Materials: Atomic Structure, Alloys, and Properties.
- Corrosion: Types, Mechanisms, and Factors Influencing Metal Corrosion.
- Surface Preparation: Chemical Cleaning, Degreasing, Pickling, and Oxide Removal.
- Mechanical Treatments: Abrasive Blasting, Polishing, Grinding, and Burnishing.
- Organic Coatings: Paints, Varnishes, Lacquers, and Other Protective Polymers.
- Inorganic Coatings: Chromium Plating, Nickel Plating, Zinc Plating, Anodizing, and Phosphating.
- Surface Heat Treatments: Surface Hardening, Carburizing, Nitriding, and Carbonitriding.
- Chemical Conversion Processes: Passivation, chromatization, and other conversion treatments.
- Surface Characterization Techniques: Microscopy, spectroscopy, and adhesion testing.
- Quality Control and Regulations: Visual inspection, non-destructive testing, and quality standards.
‘
- Introduction to Metals: Properties, Classification, and Applications
- Surface Preparation: Cleaning, Degreasing, Pickling, Polishing
- Chemical Treatments: Passivation, Chromating, Phosphating, Anodizing
- Metallic Coatings: Galvanizing, Nickel Plating, Chrome Plating, Tin Plating
- Painting and Lacquering: Paint Selection, Application Techniques, Curing
- Polishing and Burnishing: Manual and Mechanical Techniques, Abrasive Products
- Engraving and Marking Techniques: Acid, Laser, Electrochemical, Punching
- Corrosion Protection: Inhibitors, Sealants, Protective Coatings
- Quality Control: Visual Inspection, Adhesion Testing, Measurement of thicknesses
- Workshop safety and hygiene: personal protective equipment, handling of chemical products
‘
- Introduction to Metal Polishing: History, Applications, and Safety
- Fundamentals of Metallurgy: Types of Metals, Alloys, and Their Properties
- Equipment and Tools: Polishers, Discs, Sandpaper, Cloths, and Their Characteristics
- Chemicals and Abrasives: Types, Applications, and Safe Handling
- Surface Preparation: Cleaning, Degreasing, and Rust Removal
- Sanding Techniques: Grit, Pressure, and Direction for an Optimal Finish
- Stages of Polishing: Roughing, Intermediate Polishing, and Finish Polishing
- Temperature and Pressure Control: Preventing Overheating and Damage
- Inspection and Quality Control: Defect Detection and Corrections
- Equipment and tool maintenance: cleaning, lubrication, and storage
‘
- System Architecture and Components: Structural design, materials, and subsystems (mechanical, electrical, electronic, and fluid) with selection and assembly criteria for marine environments
- Fundamentals and Principles of Operation: Physical and engineering foundations (thermodynamics, fluid mechanics, electricity, control, and materials) that explain performance and operating limits
- Safety and Environmental (SHE): Risk analysis, PPE, LOTO, hazardous atmospheres, spill and waste management, and emergency response plans
- Applicable Regulations and Standards: IMO/ISO/IEC requirements and local regulations;
- Conformance criteria, certification, and best practices for operation and maintenance
- Inspection, testing, and diagnostics: Visual/dimensional inspection, functional testing, data analysis, and predictive techniques (vibration, thermography, fluid analysis) to identify root causes
- Preventive and predictive maintenance: Hourly/cycle/seasonal plans, lubrication, adjustments, calibrations, consumable replacement, post-service verification, and operational reliability
- Instrumentation, tools, and metrology: Measuring and testing equipment, diagnostic software, calibration and traceability; selection criteria, safe use, and storage
- Onboard integration and interfaces: Mechanical, electrical, fluid, and data compatibility; Sealing and watertightness, EMC/EMI, corrosion protection, and interoperability testing.
Quality, acceptance testing, and commissioning: process and materials control, FAT/SAT, bench and sea trials, go/no-go criteria, and evidence documentation.
Technical documentation and integrated practice: logs, checklists, reports, and a complete case study (safety → diagnosis → intervention → verification → report) applicable to any system.
Plan de estudio - Módulos
- Comprehensive Maritime Incident Management: protocols, roles, and chain of command for coordinated response
- Operational Planning and Execution: briefing, routes, weather windows, and go/no-go criteria
- Rapid Risk Assessment: criticality matrix, scene control, and decision-making under pressure
- Operational Communication: VHF/GMDSS, standardized reports, and inter-agency liaison
- Tactical Mobility and Safe Boarding: RHIB maneuvers, approach, mooring, and recovery
- Equipment and Technologies: PPE, signaling, satellite tracking, and field data logging
- Immediate Care of the Affected: primary assessment, hypothermia, trauma, and stabilization for evacuation
- Adverse Environmental Conditions: swell, Visibility, flows, and operational mitigation
Simulation and training: critical scenarios, use of VR/AR, and exercises with performance metrics
Documentation and continuous improvement: lessons learned, indicators (MTTA/MTTR), and SOP updates
- Introduction to Metals: Properties, Alloys, and Industrial Applications.
- Polishing Safety: Personal Protective Equipment (PPE), Ventilation, and Chemical Handling.
- Tools and Equipment: Types of Polishers, Discs, Buffing Pads, Sandpaper, and Their Specific Uses.
- Surface Preparation: Cleaning, Degreasing, and Removal of Imperfections (Rust, Scratches).
- Sanding Techniques: Grits, Sequences, and Pressure Control for a Uniform Finish.
- Polishing Compounds: Types of Pastes and Liquids, Selection According to the Metal and Desired Finish.
- Polishing Process: Stages (Cutting, Polishing, Buffing), Machine Speed, and Angle of work.
Polishing of different metals: Stainless steel, aluminum, copper, brass – specific techniques and products.
Quality control: Visual inspection, defect detection and correction of imperfections.
Maintenance of tools and equipment: Cleaning, lubrication and replacement of consumables.
‘
- Introduction to the Science of Metallic Materials: Atomic Structure, Alloys, and Properties.
- Corrosion: Types, Mechanisms, and Factors Influencing Metal Corrosion.
- Surface Preparation: Chemical Cleaning, Degreasing, Pickling, and Oxide Removal.
- Mechanical Treatments: Abrasive Blasting, Polishing, Grinding, and Burnishing.
- Organic Coatings: Paints, Varnishes, Lacquers, and Other Protective Polymers.
- Inorganic Coatings: Chromium Plating, Nickel Plating, Zinc Plating, Anodizing, and Phosphating.
- Surface Heat Treatments: Surface Hardening, Carburizing, Nitriding, and Carbonitriding.
- Chemical Conversion Processes: Passivation, chromatization, and other conversion treatments.
- Surface Characterization Techniques: Microscopy, spectroscopy, and adhesion testing.
- Quality Control and Regulations: Visual inspection, non-destructive testing, and quality standards.
‘
- Introduction to Metals: Properties, Classification, and Applications
- Surface Preparation: Cleaning, Degreasing, Pickling, Polishing
- Chemical Treatments: Passivation, Chromating, Phosphating, Anodizing
- Metallic Coatings: Galvanizing, Nickel Plating, Chrome Plating, Tin Plating
- Painting and Lacquering: Paint Selection, Application Techniques, Curing
- Polishing and Burnishing: Manual and Mechanical Techniques, Abrasive Products
- Engraving and Marking Techniques: Acid, Laser, Electrochemical, Punching
- Corrosion Protection: Inhibitors, Sealants, Protective Coatings
- Quality Control: Visual Inspection, Adhesion Testing, Measurement of thicknesses
- Workshop safety and hygiene: personal protective equipment, handling of chemical products
‘
- Introduction to Metal Polishing: History, Applications, and Safety
- Fundamentals of Metallurgy: Types of Metals, Alloys, and Their Properties
- Equipment and Tools: Polishers, Discs, Sandpaper, Cloths, and Their Characteristics
- Chemicals and Abrasives: Types, Applications, and Safe Handling
- Surface Preparation: Cleaning, Degreasing, and Rust Removal
- Sanding Techniques: Grit, Pressure, and Direction for an Optimal Finish
- Stages of Polishing: Roughing, Intermediate Polishing, and Finish Polishing
- Temperature and Pressure Control: Preventing Overheating and Damage
- Inspection and Quality Control: Defect Detection and Corrections
- Equipment and tool maintenance: cleaning, lubrication, and storage
‘
- System Architecture and Components: Structural design, materials, and subsystems (mechanical, electrical, electronic, and fluid) with selection and assembly criteria for marine environments
- Fundamentals and Principles of Operation: Physical and engineering foundations (thermodynamics, fluid mechanics, electricity, control, and materials) that explain performance and operating limits
- Safety and Environmental (SHE): Risk analysis, PPE, LOTO, hazardous atmospheres, spill and waste management, and emergency response plans
- Applicable Regulations and Standards: IMO/ISO/IEC requirements and local regulations;
- Conformance criteria, certification, and best practices for operation and maintenance
- Inspection, testing, and diagnostics: Visual/dimensional inspection, functional testing, data analysis, and predictive techniques (vibration, thermography, fluid analysis) to identify root causes
- Preventive and predictive maintenance: Hourly/cycle/seasonal plans, lubrication, adjustments, calibrations, consumable replacement, post-service verification, and operational reliability
- Instrumentation, tools, and metrology: Measuring and testing equipment, diagnostic software, calibration and traceability; selection criteria, safe use, and storage
- Onboard integration and interfaces: Mechanical, electrical, fluid, and data compatibility; Sealing and watertightness, EMC/EMI, corrosion protection, and interoperability testing.
Quality, acceptance testing, and commissioning: process and materials control, FAT/SAT, bench and sea trials, go/no-go criteria, and evidence documentation.
Technical documentation and integrated practice: logs, checklists, reports, and a complete case study (safety → diagnosis → intervention → verification → report) applicable to any system.
- Introduction to Metals: Types, properties, and industrial applications.
- Safety in the Polishing Workshop: Personal protective equipment (PPE), risks, and prevention.
- Polishing Tools and Equipment: Types of polishers, discs, brushes, and their specific uses.
- Abrasives and Polishing Compounds: Grain size, types of pastes, and selection according to the metal and desired finish.
- Surface Preparation: Cleaning, degreasing, and removal of imperfections prior to polishing.
- Coarse Polishing Techniques: Removal of scratches and rust.
- Fine Polishing Techniques: Obtaining smooth and shiny surfaces.
- Mirror Polishing: Advanced techniques for achieving a reflective finish.
- Equipment and Tool Maintenance: Cleaning, lubrication, and replacement of consumables.
- Quality Control: Visual inspection and verification of results.
‘
- Introduction to Metal Polishing: History, Evolution, and Applications
- Basic Metallurgy: Types of Metals, Alloys, and Their Properties
- Workshop Safety: PPE, Chemical and Mechanical Hazards, Ventilation
- Tools and Equipment: Polishers, Grinders, Drills, and Their Accessories
- Abrasives: Types, Grains, Materials (Aluminum Oxide, Silicon Carbide, etc.)
- Polishing Compounds: Waxes, Pastes, Liquids, Selection According to Metal and Finish
- Surface Preparation: Cleaning, Degreasing, Rust and Defect Removal
- Polishing Techniques: Sanding, Grinding, Intermediate Polishing, and High Polishing
- Polishing Different Metals: Steel Stainless steel, aluminum, brass, copper, etc.
- Special finishes: satin, mirror, aged, and protective techniques
‘
- Introduction to Corrosion: Types, Mechanisms, and Influencing Factors.
- Surface Preparation: Mechanical cleaning (shot blasting, sanding), chemical cleaning (degreasers, pickling agents), and thermal cleaning (flaming).
- Metallic Coatings: Galvanizing, chrome plating, nickel plating, tin plating. Processes and applications.
- Organic Coatings: Paints and Varnishes. Types, application (spraying, dipping, electrophoresis), and curing.
- Chemical Conversion Treatments: Phosphating, chromating, anodizing. Principles and applications.
- Surface Heat Treatments: Carburizing, nitriding, surface hardening.
- Emerging technologies: Nanocoatings, physical vapor deposition (PVD), chemical vapor deposition (CVD).
- Quality control: Visual inspection, non-destructive testing (NDT), adhesion and thickness tests.
- Occupational health and safety: Handling of chemical products, personal protective equipment (PPE), waste management.
- Regulations and legislation applicable to metallic surface treatments.
Objectives and processes.
‘
- Introduction to Metallurgy: Types of Metals and Their Properties
- Workshop Safety: PPE, Risks, and Accident Prevention
- Hand Tools for Metalworking: Files, Saws, Chisels, and Scrapers
- Abrasives I: Types, Grinding Size, and Applications (Sandpaper, Sharpening Stones)
- Abrasives II: Cutting, Grinding, and Flap Discs
- Polishing and Buffing: Compounds, Brushes, and Techniques
- Grinders and Sanders: Types, Proper Use, and Maintenance
- Grinding Techniques: Removal of Welds, Rust, and Burrs.
- Surface finishes: Satin, mirror, and textured.
- Quality control: Visual and dimensional inspection of finishes.
‘
Career opportunities
- Metal Polisher: Working in workshops or factories, polishing and buffing metal surfaces to improve their appearance and quality.
- Metal Surface Finisher: Applying protective treatments and coatings to metal parts to prevent corrosion and improve their durability.
- Polishing Machine Operator: Operating and maintaining automated polishing and finishing machines, ensuring their proper functioning and the quality of the final product.
- Quality Inspector: Verifying that metal surfaces meet the required quality standards, identifying and correcting defects.
- Metal Restorer: Working on the restoration of antique or damaged metal objects, using polishing and finishing techniques to return them to their original appearance.
- Automotive Industry Worker: Polish and finish metal components for vehicles, such as car bodies, rims, and engine parts.
Aerospace Worker: Perform high-precision polishing on metal components for aircraft and spacecraft, meeting rigorous quality standards.
Jewelry Manufacturing Worker: Polish and buff precious metals to create high-quality jewelry pieces.
“`
Admission requirements

Academic/professional profile:
Degree/Bachelor's degree in Nautical Science/Maritime Transport, Naval/Marine Engineering, or a related field; or proven professional experience in bridge/operations.

Language proficiency:
Recommended functional maritime English (SMCP) for simulations and technical materials.

5. Induction
Updated resume, copy of degree or seaman's book, ID card/passport, letter of motivation.

Technical requirements (for online):
Equipment with camera/microphone, stable connection, ≥ 24” monitor recommended for ECDIS/Radar-ARPA.
Admission process and dates

1. Online
application
(form + documents).

2. Academic review and interview
(profile/objectives/schedule compatibility).

3. Admission decision
(+ scholarship proposal if applicable).

4. Reservation of place
(deposit) and registration.

5. Induction
(access to campus, calendars, simulator guides).
Scholarships and grants
- Master the art of polishing: Learn professional techniques to achieve mirror finishes and flawless surfaces.
- Expand your skills: Discover how to remove imperfections, prepare surfaces for coatings, and restore metal parts.
- Work with diverse tools: Familiarize yourself with polishers, sanders, brushes, and abrasives, and learn how to select the right ones for each task.
- Increase your professional value: Boost your career in the metalworking, automotive, jewelry, or construction industries.
- Guaranteed results: Intensive practice with real materials to ensure the effective application of your acquired knowledge.
Testimonials
“Thanks to my training in polishing and finishing metal surfaces, I was able to restore a historic family heirloom that was considered irreparable. The shine and precision I achieved exceeded all expectations, restoring its original splendor and preserving its sentimental value.”
During the Construction, Painting, and Design course, I acquired practical skills that allowed me to completely renovate my apartment, saving significantly on costs and achieving a professional result that exceeded my expectations. I applied the techniques I learned to painting, flooring installation, and custom furniture construction, transforming the space efficiently and aesthetically.
I managed to completely restore a complicated set of antique surgical tools, removing the corrosion and restoring their original shine, allowing their reuse in a medical museum.
I managed to reduce the polishing time of stainless steel parts by 30% by implementing a new system of abrasives and polishing pastes, while improving the surface finish, eliminating imperfections and achieving a consistent mirror shine on all parts.
Frequently asked questions
Improve the appearance, smoothness and/or dimensional accuracy of the surface.
Yes. The itinerary includes ECDIS/Radar-ARPA/BRM with harbor, ocean, fog, storm, and SAR scenarios.
Online with live sessions; hybrid option for simulator/practical placements through agreements.
Recommended functional SMCP. We offer support materials for standard phraseology.
Yes, with a relevant degree or experience in maritime/port operations. The admissions interview will confirm suitability.
Optional (3–6 months) through Companies & Collaborations and the Alumni Network.
Simulator practice (rubrics), defeat plans, SOPs, checklists, micro-tests and applied TFM.
A degree from Navalis Magna University + operational portfolio (tracks, SOPs, reports and KPIs) useful for audits and employment.
- Introduction to Metallurgy: Types of Metals and Their Properties
- Workshop Safety: PPE, Risks, and Accident Prevention
- Hand Tools for Metalworking: Files, Saws, Chisels, and Scrapers
- Abrasives I: Types, Grinding Size, and Applications (Sandpaper, Sharpening Stones)
- Abrasives II: Cutting, Grinding, and Flap Discs
- Polishing and Buffing: Compounds, Brushes, and Techniques
- Grinders and Sanders: Types, Proper Use, and Maintenance
- Grinding Techniques: Removal of Welds, Rust, and Burrs.
- Surface finishes: Satin, mirror, and textured.
- Quality control: Visual and dimensional inspection of finishes.
‘
Request information
- Complete the Application Form
- Attach your CV/Qualifications (if you have them to hand).
- Indicate your preferred cohort (January/May/September) and whether you want the hybrid option with simulator sessions.
Teachers
Eng. Tomás Riera
Full Professor
Eng. Tomás Riera
Full Professor
Eng. Sofía Marquina
Full Professor
Eng. Sofía Marquina
Full Professor
Eng. Javier Bañuls
Full Professor
Eng. Javier Bañuls
Full Professor
Dr. Nuria Llobregat
Full Professor
Dr. Nuria Llobregat
Full Professor
Dr. Pau Ferrer
Full Professor
Dr. Pau Ferrer
Full Professor
Cap. Javier Abaroa (MCA)
Full Professor
Cap. Javier Abaroa (MCA)
Full Professor