CWI/SCWI Endorsements

CWI/SCWI Endorsements


This notice applies to all individuals that have applied for and are scheduled to test to the following Part C of the CWI exam or CWI Endorsement exams:

   • AWS D1.5 Bridge Welding Code
   • ASME Sec IX, B31.1, & B31.3
   • ASME Sec VIII & ASME Sec IX

Effective Friday, May 15th, 2016, the following codebooks will be updated in the exam, and candidates will be required to use the updated version with the corresponding exam:

   • AWS D1.5 2015 Edition
   • ASME Sec IX 2015 Edition

To order a copy of the codebooks, click here or to order by phone please call 888-WELDING (888-935-3464), Ext. 280.

Should you have any questions or concerns, please feel free to contact the Certification Department at 800-443-9353, extension 273.

The AWS Certification Department



Effective March 16, 2015, all individuals who have applied for and are scheduled to test to the ASME Sec IX: B31.1 & B31.3 codebook exam (Part C of CWI exam or CWI endorsement exam) will be testing to the following editions:

ASME Section IX: 2013
B31.1: 2014
B31.3: 2012

To order a copy of the ASME editions, visit or to order by phone, please call 1-800-843-2763.

Endorsements are supplemental inspection credentials available to all AWS Certified Welding Inspectors (CWIs) and Senior Certified Welding Inspectors (SCWIs) to enhance an individual’s credentials. The examinations offered as endorsements to the CWI/SCWI programs are also offered as stand-alone exams to non-CWIs/SCWIs who wish to enhance their educational background.


Below are the available endorsement certifications that AWS offers. Select the endorsement you are interested in for more information regarding the requirements, reference materials, and other relevant information.

D1.1 Structural Steel
D1.2 Structural Aluminum
D1.5 Bridge Welding
D15.1 Railroad
D17.1 Aerospace
API 1104 Pipeline
Structural Drawing Reading
Structural Bolting Inspection
ASME Pressure Piping B31.1 and B31.3
ASME Pressure Vessel Section VIII, Div. 1