AWS - Certified Welding Inspector Examination Preparation Course- Welding Metallurgy, Part-1

The CWI exam consists of three parts

Part A – Fundamentals

Part B – Practical,

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