AWS - Body of Knowledge

Body of Knowledge
Certified Welding Inspector (CWI)
Certified Welding Educator (CWE)
Welding Inspector Endorsement (SIE)


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The following is an approximate breakdown of the examination categories and the number of questions drawn from each subject area.

PART A: FUNDAMENTALS  (CWI and CWE)
Subject Percentage
Welding Processes 10%
Heat Control & Metallurgy (carbon and low-alloy steel) 6%
Weld Examination 9%
Welding Performance 9%
Definitions and Terminology 12%
Symbols - Welding and NDE 10%
Test Methods - NDE 8%
Reports and Records 6%
Duties and Responsibilities 4%
Safety 5%
Destructive Tests 4%
Cutting 3%
Brazing 2%
Soldering 1%

PART B: PRACTICAL  (CWI and CWE)
Subject Percentage
Procedure and Welder Qualifications 30%
Mechanical Test and Properties 10%
Welding Inspection and Flaws 36%
NDE 10%
Utilization of Specification and Drawings 10%

PART C: CODE BOOK APPLICATIONS  (CWI, CWE and SIE)
Subject Percentage
Materials and Design 10%
Fabrication 30%
Inspection 25%
Qualification 30%

AWS - RECOMMENDED SELF-STUDY
Examination Preparatory Material
AWS Publications Order Number
Certification Manual for Welding Inspectors CM: 2000
Welding Inspection Handbook WI: 2000
* D1.1/D1.1M Structural Welding Code-Steel D1.1/D1.1M: 2010
* D1.1 Code Clinic Reference Manual D1.1CCRM: 2010
* API 1104 Study Guide for API Standard 1104 Welding of Pipelines API-M: 2008
* Welding Inspection Technology WIT-T-2008
* Welding Inspection Technology (Workbook) WIT-W: 2008
* Welding Inspection Technology Sample CWI Fundamentals Examination & Key WIT-E: 2008
* Standard Welding Terms and Definitions A3.0M/A3.0:2010
* Standard Symbols for Welding, Brazing, and Nondestructive Examination A2.4: 2012
* Visual Inspection Workshop Reference Manual VIW-M: 2008
* Guide for the Nondestructive Examination of Welds B1.10M/B1.10:2009
Book of Specification for the Qualification of Welding Inspectors (errata 2007) B5.1: 2003
* Books are provided to participants of the AWS Seminar week

CODE SUBJECTS AVAILABLE AND CURRENT EXAM EDITIONS
(applicants must provide own codebook for exam)
AWS D1.1 - Structural Steel Code: 2010 Second Printing Edition - code clinic available
(codebook provided for D1.1 week seminar participants only)
API 1104 - Pipelines 20th or 21st Editions (code clinic available only for 20th edition) with Errata/Addendum July 2007, Errata 2 December 2008/Errata 1 April 2014
AWS D1.2 - Structural Aluminum Code: 2003 or 2008 Edition
AWS D1.5 - Bridge Welding Code: 2010 Edition (including Clause 12)
AWS D15.1 - Railroad: 2012 Edition
AWS D17.1- Aerospace: 2010 w/ Errata and Amendment
ASME Sec IX: 2013 Edition, B31.1 & B31.3 (2012 Editions)
ASME Sec VIII (Div 1) & ASME Sec IX (2013 Editions)
Structural Drawing Reading

Please note: The editions listed above apply to the English editions only. To verify the edition being used with language-assisted exams, please contact the AWS Certification department or the Agent.

OTHER RECOMMENDATIONS Order Number
AWS Welding Handbook Series WHB-ALL
Guide for the Visual Examination of Welds B1.11: 2000
Safety in Welding, Cutting and Allied Processes ANSI Z49.1: 2005
Metric Practice Guide for the Welding Industry A1.1: 2001
Standard Methods for mechanical Testing of Welds B4.0: 2007
Specification for Welding Procedure and Performance Qualification B2.1: 2009

To purchase any of the AWS publications
or the API 1104 Codebook:

Contact WEX at 888-WELDING or 305-824-1177
Or visit the website at www.awspubs.com
To purchase any of the ASME publications:
Contact ASME at 800-843-2763
Or visit the website at www.asme.org/kb/standards

Last Revised: July 23, 2014