Senior Certified Welding Inspector 

SCWI Requirements and Process 

To become a Senior Certified Welding Inspector, candidates need to fulfill both education and work experience prerequisites, as well as pass two required exams.

Education & Experience Requirements:

There are no education requirements as these are implied requirements of the previous certification (CWI). 

Work Experience Requirements:

1. Certified as a CWI for six years: You must have been certified as a CWI for a minimum of six years within the last eight years, including professional experience using it.
2. 15 Years Work Experience in Relevant Fields: You must have a minimum of 15 years work experience in at least three of the following areas: 
• Procedure development
• Control and application of base metals
• Experience as a welder or welding operator
• Detection and measurement of weld discontinuities
• Planning and application of repair welding
• Preparation of written procedures
• Qualification of welders or welding procedures
• Application of welding related codes and standards
• Operational techniques fulfilling quality control requirements
• Teaching welding or related subjects.

Application process:

Visit the online portal to provide the required documentation, make payment and register for seminars and courses.

Make sure to have the following documents ready before starting the application process:

• Employment Verification Form
• Qualifying Work Experience Form
• Photo ID

SCWI Standards

A SCWI certification ensures the certificate holder meets all of the specification and certification requirements found in:

• QC1:2016-AMD1 - Specification for AWS Certification of Welding Inspectors
• B5.1:2013-AMD1 - Specification for the Qualification of Welding Inspectors

Technical and Reference Documents are provided when registered and attending an AWS Seminar.

Technical and Specification Documents, and Reference Materials

For self-study purposes, applicants preparing for the AWS SCWI examination can consult the AWS Reference Study Material List found in Appendix B of the SCWI User Guide.

Review the AWS SCWI Examination User Guide (PDF).

View the Exam References and Editions Guide (PDF).

To purchase any of the AWS publications, visit the AWS Bookstore

Other forms and documents:

• ADA Disability Accommodations
• Change of Site/Cancellation Form
• Candidate Attestation Agreement
• Policies and Fees
• Certification Duplicate Order Form
• Training Hours Upload Requirement Waiver
• Photo Upload Requirement Waiver
• Visual Acuity Upload Requirement Waiver
• Education or Other Upload Requirement Waiver

Seminar and Exam Schedule

Find upcoming in-person seminars and exam dates on AWS by visiting the Seminar and Exam Schedule.

Computer-Based Testing/Prometric Exam Centers 

The SCWI examination is a 200-question test, with an open book section and a closed book section, each lasting two hours. AWS conducts exams via computer-based testing (CBT) at more than 450 Prometric Exam Centers across the globe.

A minimum score of 72% is required to pass.

Learn more about Prometric CBT and Exam Centers: 

• Understand Prometric’s security process when checking in at an exam center. 
• Review a tutorial on how to navigate the screen during your CBT. 
• Familiarize yourself with the look and feel of the computer-based testing environment by exploring one of two types of Test Drives before Exam Day
• Learn more about your Prometric test day experience on our FAQ for CBT page. 
• Access Prometric’s various other resources, by visiting prometric.com/aws. 
• Prometric Exam Center COVID Policy 
• Prometric Exam Center Cleaning Practices 

Endorsements are supplemental inspection credentials available to all AWS Certified Welding Inspectors (CWIs) and Senior Certified Welding Inspectors (SCWIs). Endorsements document an individual’s additional knowledge, skill, or ability.

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

D1.1 Structural Steel
Description: This endorsement covers five subject areas in AWS D1.1: material and design, fabrication, inspection, qualification, and reports and records. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D1.2 Structural Aluminum
Description: This endorsement covers four subject areas in AWS D1.2: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D1.5 Bridge Welding
Description: This endorsement covers five subject areas in AWS D1.5: material and design, fabrication, inspection, qualification, and reports and records. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D15.1 Railroad
Description: This endorsement covers four subject areas in AWS D15.1: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D17.1 Aerospace
Description: The D17.1 examination covers AWS D17.1 Specification for Fusion Welding of Aerospace Applications.

API 1104 Pipeline
Description: This endorsement covers five subject areas in API 1104: material and design, fabrication, inspection, qualification, and reports and records, including Appendix A and B. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

ISO Standards Endorsement
Description: The ISO Standards exam/endorsement provides CWIs and SCWIs an opportunity to demonstrate their knowledge, ability, and skills in the ISO Standards used as the test base. With this endorsement, CWIs and SCWIs may expand their opportunities in areas of the world where these standards are commonly specified.

Resources: The following is a list of informative reference standards to assist those wishing to learn and understand how ISO standards are used and to prepare for this endorsement test. Candidates should be thoroughly familiar with ISO terminology, classifications, and symbols.

1. ISO 2553 Welding and allied processes – Symbolic representation on drawings – Welded joints
2. ISO 6947 Welding and allied processes – Welding positions
3. ISO 4063 Welding and allied processes – Nomenclature of processes and reference numbers
4. ISO 6520-1 Classification of imperfections in fusion welding, Part 1: Fusion welding
5. ISO 15609-1 Specification and qualification of welding procedures for metallic metals - Welding procedure specification – Part 1: Arc Welding
6. ISO 17637 Non-destructive testing of welds – Visual testing of fusion-welded joints
7. ISO 9712 Non-destructive testing – Qualification and certification of personnel
8. EN 15085:2007 Railway applications – Welding of railway vehicles and components, Parts 1 through 5
9. ISO 9606-1 Qualification testing of welders – Fusion welding – Part 1: Steels
10. ISO 15614-1 Specification and qualification of welding procedures for metallic metals – Welding procedure test - Part 1
11. ISO 5817 Welding – Fusion welded joints in steel, nickel, titanium, and their alloys (beam welding excluded) – Quality levels for imperfections
12. ISO 5173 Destructive tests on welds in metallic materials – Bend tests

The PDF version of these references will NOT be available at Prometric testing centers. In addition, candidates CANNOT bring their own copies of the same standards to be used during the test.

Questions appearing on this endorsement exam are drawn from the following list of reference standards, which will be provided in PDF at testing:

1. EN 15085:2007 Railway applications – Welding of railway vehicles and components – Parts 1 through 5 (provided in combined PDF)
2. ISO 9606-1:2012 Qualification testing of welders – Fusion welding – Part 1: Steels
3. ISO 15614-1:2017 Specification and qualification of welding procedures for metallic metals – Welding procedure test – Part 1
4. ISO 5817:2014 Welding – Fusion welded joints in steel, nickel, titanium, and their alloys (beam welding excluded) – Quality levels for imperfections

The PDF version of the four references will be available at Prometric testing centers. In addition, candidates can bring their own copies of the same standards to be used during the test.

Welder Performance Qualifier Endorsement
Description: This endorsement assesses a candidate's knowledge, skill, and ability to conduct welder performance qualification tests. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

Welding Procedure Qualifier Endorsement
Description: This endorsement assesses a candidate’s knowledge, skill, and ability to conduct welding procedure qualification tests. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

Magnetic Particle Testing (MT Dry Powder Yoke Method)
Description: This endorsement shall govern Magnetic Particle Testing (MT) of welds in ferromagnetic materials using an electromagnetic yoke with visible dry powder. The general exam will require the candidate to demonstrate an understanding of the basics of the other MT methods. The specific and practical exams will focus on the Magnetic Yoke Technique.

Penetrant Testing (PT Type II- Method C)
Description: This endorsement governs visible Penetrant Testing (PT) of welds using the solvent removable method in ferrous and non-ferrous materials manufactured from non-porous materials. Section 2 of AWS QC1, Standard for AWS Certification of Welding Inspectors provides for endorsements that may be added to the CWI and SCWI certifications.

ASME BPVC Section IX, Power (B31.1) and Process (B31.3) Piping
Description: This endorsement covers four subject areas in three ASME standards: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

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The SCWI Certification lasts 9 years, with renewals required at years 3 and 6. AWS sends reminders 6 months and 3 months prior to each renewal. Renewal requires continuous employment in the relevant activities and documented work experience stated in the requirements section. Renewal applications should be sent at least 60 days before the expiration date but can be submitted up to 11 months in advance. If late, a 60-day extension is available, during which the certification is considered "Expired." Applications after this period incur administrative late fees. Once all renewal requirements are met and fees paid, the certification is reactivated.

Further Information on SCWI

The renewal application can be completed at MyAWS Portal. Here you may also check your SCWI credentials, application, or exam registration status.

Endorsements are supplemental inspection credentials available to all AWS Certified Welding Inspectors (CWIs) and Senior Certified Welding Inspectors (SCWIs). Endorsements document an individual’s additional knowledge, skill, or ability.

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

D1.1 Structural Steel
Description: This endorsement covers five subject areas in AWS D1.1: material and design, fabrication, inspection, qualification, and reports and records. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D1.2 Structural Aluminum
Description: This endorsement covers four subject areas in AWS D1.2: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D1.5 Bridge Welding
Description: This endorsement covers five subject areas in AWS D1.5: material and design, fabrication, inspection, qualification, and reports and records. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D15.1 Railroad
Description: This endorsement covers four subject areas in AWS D15.1: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D17.1 Aerospace
Description: The D17.1 examination covers AWS D17.1 Specification for Fusion Welding of Aerospace Applications.

API 1104 Pipeline
Description: This endorsement covers five subject areas in API 1104: material and design, fabrication, inspection, qualification, and reports and records, including Appendix A and B. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

ISO Standards Endorsement
Description: The ISO Standards exam/endorsement provides CWIs and SCWIs an opportunity to demonstrate their knowledge, ability, and skills in the ISO Standards used as the test base. With this endorsement, CWIs and SCWIs may expand their opportunities in areas of the world where these standards are commonly specified.

Resources: The following is a list of informative reference standards to assist those wishing to learn and understand how ISO standards are used and to prepare for this endorsement test. Candidates should be thoroughly familiar with ISO terminology, classifications, and symbols.

1. ISO 2553 Welding and allied processes – Symbolic representation on drawings – Welded joints
2. ISO 6947 Welding and allied processes – Welding positions
3. ISO 4063 Welding and allied processes – Nomenclature of processes and reference numbers
4. ISO 6520-1 Classification of imperfections in fusion welding, Part 1: Fusion welding
5. ISO 15609-1 Specification and qualification of welding procedures for metallic metals - Welding procedure specification – Part 1: Arc Welding
6. ISO 17637 Non-destructive testing of welds – Visual testing of fusion-welded joints
7. ISO 9712 Non-destructive testing – Qualification and certification of personnel
8. EN 15085:2007 Railway applications – Welding of railway vehicles and components, Parts 1 through 5
9. ISO 9606-1 Qualification testing of welders – Fusion welding – Part 1: Steels
10. ISO 15614-1 Specification and qualification of welding procedures for metallic metals – Welding procedure test - Part 1
11. ISO 5817 Welding – Fusion welded joints in steel, nickel, titanium, and their alloys (beam welding excluded) – Quality levels for imperfections
12. ISO 5173 Destructive tests on welds in metallic materials – Bend tests

The PDF version of these references will NOT be available at Prometric testing centers. In addition, candidates CANNOT bring their own copies of the same standards to be used during the test.

Questions appearing on this endorsement exam are drawn from the following list of reference standards, which will be provided in PDF at testing:

1. EN 15085:2007 Railway applications – Welding of railway vehicles and components – Parts 1 through 5 (provided in combined PDF)
2. ISO 9606-1:2012 Qualification testing of welders – Fusion welding – Part 1: Steels
3. ISO 15614-1:2017 Specification and qualification of welding procedures for metallic metals – Welding procedure test – Part 1
4. ISO 5817:2014 Welding – Fusion welded joints in steel, nickel, titanium, and their alloys (beam welding excluded) – Quality levels for imperfections

The PDF version of the four references will be available at Prometric testing centers. In addition, candidates can bring their own copies of the same standards to be used during the test.

Welder Performance Qualifier Endorsement
Description: This endorsement assesses a candidate's knowledge, skill, and ability to conduct welder performance qualification tests. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

Welding Procedure Qualifier Endorsement
Description: This endorsement assesses a candidate’s knowledge, skill, and ability to conduct welding procedure qualification tests. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

Magnetic Particle Testing (MT Dry Powder Yoke Method)
Description: This endorsement shall govern Magnetic Particle Testing (MT) of welds in ferromagnetic materials using an electromagnetic yoke with visible dry powder. The general exam will require the candidate to demonstrate an understanding of the basics of the other MT methods. The specific and practical exams will focus on the Magnetic Yoke Technique.

Penetrant Testing (PT Type II- Method C)
Description: This endorsement governs visible Penetrant Testing (PT) of welds using the solvent removable method in ferrous and non-ferrous materials manufactured from non-porous materials. Section 2 of AWS QC1, Standard for AWS Certification of Welding Inspectors provides for endorsements that may be added to the CWI and SCWI certifications.

ASME BPVC Section IX, Power (B31.1) and Process (B31.3) Piping
Description: This endorsement covers four subject areas in three ASME standards: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

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SCWI Recertification Guide

There are several options available to SCWIs wishing to achieve recertification after nine years.

1. Recertification by taking the original SCWI examinations.
2. Recertification by taking a committee-approved endorsement during the previous nine years of certification.
3. Recertification by achieving sufficient professional development hours (PDHs) during the previous nine years of certification.
4. Recertification by taking the 9-year AWS Recertification Seminar prior to the certification expiration date.

SCWI Recertification by Exam

The SCWI exam consists of two parts:

• Closed Book Section
• Open Book Section

Each section lasts for two hours. To pass, candidates must score at least 72%, successfully meeting the SCWI requirements as outlined in B5.1:2013-AMD1.

SCWI Recertification by Adding an Endorsement

Adding an endorsement to your SCWI certification is another way to achieve recertification. You can choose one endorsement from a comprehensive list, including but not limited to:

• AWS D1.1 Structural Steel
• AWS D1.2 Structural Aluminum
• AWS D1.5 Bridge Welding
• ASME Section IX, B31.1 and B31.3 Boiler & Pressure Vessel

Please note, the pursuit of an endorsement must be different from the codebook used for achieving your current active CWI certification. All endorsement exams are offered at Prometric Exam Centers.

9-Year Recertification by Accumulated Professional Development Hours (PDH)

A SCWI can accumulate 80 contact hours through seminars, courses, or online platforms like AWS’s Education Portal to fulfill recertification requirements.

Endorsements or Certifications Achieved Prior to 9-Year Recertification

A SCWI who has passed one or more endorsement exams prior to the nine-year cycle can apply for recertification without additional examination or PDH requirements. Additionally, becoming an AWS Certified Radiographic Interpreter (CRI) during the nine-year cycle fulfills the recertification requirement. Learn more about CRI here

9-Year Recertification Course

Another option is to register for and successfully complete the AWS 9-Year Recertification Course.

For further details, please review the Certification Endorsements page and the AWS Certification Price List.

Endorsements are supplemental inspection credentials available to all AWS Certified Welding Inspectors (CWIs) and Senior Certified Welding Inspectors (SCWIs). Endorsements document an individual’s additional knowledge, skill, or ability.

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

D1.1 Structural Steel
Description: This endorsement covers five subject areas in AWS D1.1: material and design, fabrication, inspection, qualification, and reports and records. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D1.2 Structural Aluminum
Description: This endorsement covers four subject areas in AWS D1.2: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D1.5 Bridge Welding
Description: This endorsement covers five subject areas in AWS D1.5: material and design, fabrication, inspection, qualification, and reports and records. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D15.1 Railroad
Description: This endorsement covers four subject areas in AWS D15.1: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

D17.1 Aerospace
Description: The D17.1 examination covers AWS D17.1 Specification for Fusion Welding of Aerospace Applications.

API 1104 Pipeline
Description: This endorsement covers five subject areas in API 1104: material and design, fabrication, inspection, qualification, and reports and records, including Appendix A and B. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

ISO Standards Endorsement
Description: The ISO Standards exam/endorsement provides CWIs and SCWIs an opportunity to demonstrate their knowledge, ability, and skills in the ISO Standards used as the test base. With this endorsement, CWIs and SCWIs may expand their opportunities in areas of the world where these standards are commonly specified.

Resources: The following is a list of informative reference standards to assist those wishing to learn and understand how ISO standards are used and to prepare for this endorsement test. Candidates should be thoroughly familiar with ISO terminology, classifications, and symbols.

1. ISO 2553 Welding and allied processes – Symbolic representation on drawings – Welded joints
2. ISO 6947 Welding and allied processes – Welding positions
3. ISO 4063 Welding and allied processes – Nomenclature of processes and reference numbers
4. ISO 6520-1 Classification of imperfections in fusion welding, Part 1: Fusion welding
5. ISO 15609-1 Specification and qualification of welding procedures for metallic metals - Welding procedure specification – Part 1: Arc Welding
6. ISO 17637 Non-destructive testing of welds – Visual testing of fusion-welded joints
7. ISO 9712 Non-destructive testing – Qualification and certification of personnel
8. EN 15085:2007 Railway applications – Welding of railway vehicles and components, Parts 1 through 5
9. ISO 9606-1 Qualification testing of welders – Fusion welding – Part 1: Steels
10. ISO 15614-1 Specification and qualification of welding procedures for metallic metals – Welding procedure test - Part 1
11. ISO 5817 Welding – Fusion welded joints in steel, nickel, titanium, and their alloys (beam welding excluded) – Quality levels for imperfections
12. ISO 5173 Destructive tests on welds in metallic materials – Bend tests

The PDF version of these references will NOT be available at Prometric testing centers. In addition, candidates CANNOT bring their own copies of the same standards to be used during the test.

Questions appearing on this endorsement exam are drawn from the following list of reference standards, which will be provided in PDF at testing:

1. EN 15085:2007 Railway applications – Welding of railway vehicles and components – Parts 1 through 5 (provided in combined PDF)
2. ISO 9606-1:2012 Qualification testing of welders – Fusion welding – Part 1: Steels
3. ISO 15614-1:2017 Specification and qualification of welding procedures for metallic metals – Welding procedure test – Part 1
4. ISO 5817:2014 Welding – Fusion welded joints in steel, nickel, titanium, and their alloys (beam welding excluded) – Quality levels for imperfections

The PDF version of the four references will be available at Prometric testing centers. In addition, candidates can bring their own copies of the same standards to be used during the test.

Welder Performance Qualifier Endorsement
Description: This endorsement assesses a candidate's knowledge, skill, and ability to conduct welder performance qualification tests. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

Welding Procedure Qualifier Endorsement
Description: This endorsement assesses a candidate’s knowledge, skill, and ability to conduct welding procedure qualification tests. AWS QC1, Standard for AWS Certification of Welding Inspectors, provides for endorsements that may be added to CWI and SCWI certifications.

Magnetic Particle Testing (MT Dry Powder Yoke Method)
Description: This endorsement shall govern Magnetic Particle Testing (MT) of welds in ferromagnetic materials using an electromagnetic yoke with visible dry powder. The general exam will require the candidate to demonstrate an understanding of the basics of the other MT methods. The specific and practical exams will focus on the Magnetic Yoke Technique.

Penetrant Testing (PT Type II- Method C)
Description: This endorsement governs visible Penetrant Testing (PT) of welds using the solvent removable method in ferrous and non-ferrous materials manufactured from non-porous materials. Section 2 of AWS QC1, Standard for AWS Certification of Welding Inspectors provides for endorsements that may be added to the CWI and SCWI certifications.

ASME BPVC Section IX, Power (B31.1) and Process (B31.3) Piping
Description: This endorsement covers four subject areas in three ASME standards: material and design, fabrication, inspection, and qualification. Subject weights for each of these areas are in conformance with the code book examination requirements as expressed in section 7.1 of AWS B5.1, Specification for the Qualification of Welding Inspectors.

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