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Welding Metallurgy, Part-1
Updated on Sep, 2026
IT and Software , IT Certifications, Amazon AWS
Duration - 2.5 hours
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The CWI exam consists of three parts
Part A – Fundamentals
Part C – Code Book Applications.
Part A is a closed-book exam that consists of 150 questions on the welding fundamentals, terms and definitions, welding processes, nondestructive examination, procedures, symbols, calculations, safety practices, and duties and responsibilities of a CWI.
Part B is a practical hands-on test to find the ability to visually identify welding discontinuities and to determine the acceptance or rejection of a weld.
Part C is an open book test of Code application to evaluate the applicant’s familiarity and ability with a selected code application.
The pass marks for Part- A, B & C is 72%
You can refer to the full details of AWS Certification and Qualification Standards in the following documents available at free of cost on the AWS website:
QC1:2016-AMD1 - Specification for AWS Certification of Welding Inspectors
B5.1:2013-AMD1 - Specification for the Qualification of Welding Inspectors
(Study the documents and be prepared well to answer any question from the document.)
In this course the candidate will learn the following :
Preparation of reports
Complete knowledge and understanding of the following welding processes:
SAW - PAW - RW - SMAW - SW- FCAW- GTAW -OFW- ESW- GMAW.
Thermal Spraying Soldering
Mechanical Cutting Thermal Cutting/Gouging
Brazing/Braze Welding
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Welding Metallurgy- part-1/2/3/4
Structure of Metals, Formation of Crystalline Solids, BCC, FCC, HCP Structures, Disarray of Grain boundaries, Substitutional and Interstitial solid solutions, Phase Transformation (critical points), Physical Structure of metals, Copper Silver phase Diagram, Welding the precipitation -hardening alloys, Dispersion Strengthening, Welding of Specific alloy Families, Aluminum alloys, Welding the heat treatable grades, Basic Metallurgy of steels, Chemical elements of Steels, Phase Transformation in Pure Iron, and Steel, The Iron -Iron Carbon Equilibrium Diagram, Heat Treatment of Steels, Effect of Cooling Rate on Transformation, Isothermal Transformation or TTT Diagram, Thermal characteristics od welds and Heat Effected Zone, Change of Temperature during welding, Factors influencing temperature changes in weld
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The fundamental principles of the following ND Tests:
VT, MT, UT, PT, RT, LT
He will acquire knowledge of quality procedures Quality audits/surveillance.
Knowledge and understanding of the fundamentals of welding metallurgy
Knowledge and understanding of all the welding symbols and engineering drawings.
Base material compliance
Filler metal compliance
Filler metal storage, handling
Inspection records compliance
Verification of proper documentation compliance
Base material and filler metal compatibility
Certification of documented results and compliance
Procedure qualification records compliance
Welding procedure compliance
NDE procedures compliance
Applicable safety requirements in the workplace as per the International Standards
Check out the detailed breakdown of what’s inside the course
· 11 Years as a Supervisor / Engineer in India in Heavy fabrication, Welding, Erection, and Shutdown maintenance in Oil and Refineries.
· 3 years of experience as a Training Manager in Indonesia
· 7 years of experience as a Training Superintendent in India in the private Industrial Training Institute.
· 6 years experience as Department Head for Welding and Mechanical Instructor in a Vocational Training Institute at Oman.
· 9 Months experience as a Welding Instructor in a vocational Training Institute in Oman.
· 6 years worked as Competency and Training & Development Specialist/Coordinator at Dubai for HSE and Technical Training Development, and Competency Assurance for the Eastern Hemisphere (Dubai, Baku, Batam) of J Ray McDermott Middle East, Coordination with training and Development staff in different locations of the Hemisphere for the implementation of Training, Development, and Competency Assurance strategies and procedures, for Company employees, Clients, and Contractors. McDermott Training Department is a Registered Centre with EAL (Engineering and Marine Training Authority Awards Ltd. UK) for NVQ and Competency Awards. The complete Competency Assessment system and methodology were introduced to me in 2002.
· Approved Senior Mechanical Inspection Engineer for Petroleum Development Oman.
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