Table of Contents

1 Scope
2 References
3 Definitions
5 Brittle Fracture Considerations
6 Inspection
7 Materials
8 Design Considerations for Reconstructed Tanks
9 Tank Repair and Alteration
10 Dismantling and Reconstruction
11 Welding
12 Examination and Testing
13 Marking and Recordkeeping
Annex A (informative) - Background on Past Editions of API Welded
        Storage Tank Standards
Annex B (normative) - Evaluation of Tank Bottom Settlement
Annex C (informative) - Checklists for Tank Inspection
Annex D (normative) - Authorized Inspector Certification
Annex E (Intentionally Left Blank)
Annex F (normative) - NDE Requirements Summary
Annex G (informative) - Qualification of Tank Bottom Examination
        Procedures and Personnel
Annex H (informative) - Similar Service Assessment
Annex I (informative) - Inquiries and Suggestions for Change
Annex S (normative) - Austenitic Stainless Steel Storage Tanks
Annex SC (normative) - Stainless and Carbon Steel Mixed Materials
         Storage Tanks
Annex X (normative) - Duplex Stainless Steel Storage Tanks

Abstract

Describes steel storage tanks built to API 650 and its predecessor API 12C. It provides minimum requirements for maintaining the integrity of such tanks after they have been placed in service and addresses inspection, repair, alteration, relocation, and reconstruction.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN
Supersedes	API 653 : 2009