Mechanical-Integrity_Booklet_2025_V4 DIGITAL

TABLE OF CONTENTS

AN INTRODUCTION TO MECHANICAL INTEGRITY: FIXED EQUIPMENT ...................................................... 2

EQUIPMENT ................................................................................................................................................ 4

Pressure Vessels ................................................................................................................... 4

Piping Systems ...................................................................................................................... 5

Heat Transfer Equipment ...................................................................................................... 7

Storage Tanks ...................................................................................................................... 9

Pressure Relief Devices ...................................................................................................... 12

PROCESSES .............................................................................................................................................. 14

Risk-Based Inspection .......................................................................................................... 14

Fitness-For-Service .............................................................................................................. 16

Damage Mechanisms ............................................................................................................ 16

Integrity Operating Windows ............................................................................................... 17

CORROSION AND MATERIALS .................................................................................................................. 18

Welding .................................................................................................................................. 18

Corrosion and Materials ....................................................................................................... 19

TIMELINE OF FIRST EDITIONS OF API MECHANICALINTEGRITY STANDARDS & RPs ........................... 25

OTHER NON-API MECHANICAL INTEGRITY RESOURCES ......................................................................... 28

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