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Hot Dip Galvanizing
- Processes, Properties and Applications

 

Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List


 Course Overview


An Advancd Course in Hot-Dip GalvanizingThis 3-day short course systematically and thoroughly covers every aspect of hot dip galvanizing from the process to the properties and applications of galvanized coatings. The course covers design, specification, painting of galvanic steel surfaces, fabrication methods including bolting and welding, inspection, coating life prediction, maintenance and repair of galvanized products. The course will help designers, specifiers, materials engineers, consultants, and fabricators to protect and improve their steel products. This corrosion short course can be taken as in-house training course, online course and distance learning course worldwide. It can also be customized to meet the specific needs of your organization.

 

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 Course Outline
 

1 Corrosion & The Need for Galvanizing

   1.1 The economic, social, political and environmental impacts
   1.2 Liabilities due to corrosion
   1.3 History of galvanizing
   1.4 Basic concepts in corrosion
   1.5 Terminologies and conventions
   1.6 Why do metals corrode
   1.7 How do metals corrode
   1.9 Corrosion prevention methods
   1.10 Galvanic corrosion and properties of zinc and steel
   1.11 Cathodic protection
   1.12 The need for galvanizing

2
Process, Properties and Applications

  
2.1   Galvanizing fundamentals
           2.1.1
The different galvanizing processes
           2.1.2
Galvanized coating characteristics
   2.2   Principles of venting
   2.3   Basic venting rules
   2.4   Principles of draining
   2.5   Basic draining rules
   2.6   Principles of avoiding distortion
   2.7   Galvanizing rules to avoid distortion
   2.8   Basic rules - design for galvanizing
   2.9   Metallurgy of the galvanizing process
   2.10 Factors affecting galvanizing quality and service
           2.10.1 Steel surface condition
           2.10.2 Steel metallurgy
           2.10.3 Weld quality
   2.11 Mechanical properties of galvanized coatings
           2.11.1 Strength and ductility
           2.11.2 Embrittlement
           2.11.3 Fatigue strength
   2.12 Other metallic zinc coatings for steel
   2.13 Continuous galvanizing processes
   2.14 Protective life of zinc coatings
           2.14.1 Performance in various environments
           2.14.2 Compatibility of galvanized coatings with various media
           2.14.3 Transport and storage of galvanized products
           2.14.4 Surface (iron) contamination of galvanized products
           2.14.5 Protection of cut edges and damaged areas
           2.14.6 Corrosion rate of galvanized coatings
   2.15 Reliability of coatings for steel
   2.16 Galvanized coatings for buildings and structural steel
   2.17 Galvanizing of fasteners and small components
   2.20 Marking for identification

3 Design, Specification and Inspection of Galvanized Products

   3.1 Size and shape of articles to be galvanized
   3.2 Materials suitable for galvanizing
   3.3 Design and fabrication of components for galvanizing
   3.4 Dimensional stability
   3.5 Galvanized coatings on threaded parts
   3.6 Galvanized coatings on moving parts
   3.7 Design for maximum corrosion protection
   3.8 Metallurgical aspect of design
   3.9 Inspection of work before dispatch to galvanizer
   3.10 Standard specification for hot dip galvanized coatings
   3.11 Standards for galvanized products
   3.12 Inspection of galvanized products
           3.12.1 Hot dip galvanized coating defects: causes and remedies
           3.12.2 Steel defects and their effects on galvanized coatings
           3.12.3 Defects in paint coatings
   3.13 Variations in appearance and their relationship to coating quality
   3.14 Non-destructive testing for coating thickness
   3.15 Reconditioning damaged galvanized surfaces

4 Bolting Galvanized Steel
 
   4.1 Zinc coating for fasteners
   4.2 Influence of galvanized coatings on design
   4.3 Slip factors
   4.4 Structural bolts and bolting technique
   4.5 Design for bolted structural joints
   4.6 Applications of high strength bolts
   4.7 Tightening procedures for high strength bolts
   4.8 Inspection of high strength bolted joints

5 Welding Galvanized Steel

   5.1 GMA welding
         5.1.1 Effect of welding position
         5.1.2 GMA braze welding
         5.1.3 GMA spot welding
   5.2 Manual metal arc welding
   5.3 GTA welding
   5.4 Carbon arc welding
   5.5 Torch welding
   5.6 Reconditioning weld-damaged surfaces
   5.7 Welding fumes

6 Painting Galvanized Steel

   6.1 Painting galvanized steel - duplex coatings
   6.2 Economics of painting galvanized steel
   6.3 Synergistic effect of duplex systems
   6.4 Painting procedures
   6.5 Adhesion
   6.6 Preparation of galvanized surfaces for painting
   6.7 Pretreatment systems
   6.8 Specialized primers
   6.9 Finish coats
   6.10 Painting recommendations

7 Glossary of galvanizing terms

 

Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List


 Who Should Attend

 

  • Hot-dip galvanizing operators who are concerned with the operation issues in ho-dip galvanizing.

  • Designers, specifiers, materials engineers, consultants, and fabricators who are concerned with corrosion of steel and are interested in hot-dip galvanizing technology for protecting steel products.

  • Engineers and technicians who are involved in testing, inspection, analysis of galvanized steel products.

  • Users of galvanized steel products who are concerned with the performance and durability of hot-dip galvanized steel.

 Registration for This  Corrosion Course
  • Click here to register for this corrosion course online, or

  • Click here to download this corrosion course brochure with registration form in PDF format.

 In-House Training Corrosion Courses

 

If you are concerned with corrosion in your business, in-house training is a great solution to train a group of employees from design, production, operation, quality assurance, inspection and maintenance, and technical sales and support on corrosion control and corrosion prevention technology. The contents of all corrosion courses can be customized to fit your organization's needs.

 

There is no minimum or maximum number of participants required for in-house training corrosion courses. We conduct the in-house training corrosion course at your company's premises and at a time convenient to your company. Requests for in-house training corrosion courses from overseas countries are also welcome.

 

Click here to contact us for a quotation.

 

 Corrosion Course-On-Demand

 

All our publicly scheduled corrosion short courses are conducted once a year. However, you do not need to wait for one year if you have missed any of the publicly scheduled corrosion courses as we have this unique corrosion course-on-demand scheme: we will conduct the course just for you on an one-on-one basis at a time and in a location convenient to you. This option costs significantly less than a full-scale in-house training program.

 

Click here to contact us for a quotation for taking this course as course-on-demand.

 

 Online and Distance Learning Corrosion Courses


All corrosion courses can be conducted through online or distance learning. An username and password will be emailed to course participants for accessing the online course materials. Alternatively, a CD-ROM containing the same online course material or a master hard copy of corrosion course notes can be sent to your organization. Instructions, course assignments, discussions and questions related to the corrosion courses are posted on the website. Free email support for online courses is provided for a period up to 12 months. A Certificate of Completion will be issued to participants who pass the online test with a score of 70% and above.

Click here to register this corrosion short course for online or distance learning.

 
 PowerPoint Slides and Test Banks for Trainers, Instructors, Tutors, University Lecturers and Professors

 

If you are involved in teaching corrosion courses, you may wish to purchase a complete set of PowerPoint slides and the computerized test banks (in MicroTest format) with solutions. These presentations are suitable for teaching corrosion courses at different levels (from undergraduate to postgraduate) and durations (from 6 hrs to 40 hrs). These ready-to-use corrosion PowerPoint slides contain high quality color photographs, illustrations, animations and video clips. They can also be easily edited and customized to your own styles. The corrosion test banks contain over 1,000 corrosion questions for your use in tutorials, tests or examinations. These questions are conveniently grouped into 4 categories in the test bank: (1) true or false, (2) multiple choice, (3) calculation, and (4) reasoning and open-ended discussions).

 

Click here to contact us if you need more information.

 

Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List


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