Industrial Piping and Equipment Estimating Manual .pdf
1 An Introduction to In-plant Piping and Pipeline
Fitness-for-Service 1
Introduction 1
What Is Piping? 8
Areas Where Corrosion Attacks Piping 9
The Maximum Acceptable Operating Pressure (MAOP) 9
Assessment Procedure 14
Classification of Corroded Regions 15
External Versus Internal Corrosion 15
Localized Versus General Corrosion 15
Interaction of Closely Spaced Areas of Corrosion 16
Circumferential Extent of Damage 17
Welds, Elbows, and Branch Connections 17
Corroded Pit Region Interaction Parameters 18
Methodology 19
Determining the Allowable Length of Corrosion 26
Corrosion Allowance 27
Assessing Type 3 Flaws 28
Burst Test Validation 30
Circumferential Corrosion 31
Criteria for Circumferential Metal Loss 31
Methodology of Circumferential Metal Loss 33
Corrosion in Pipe Bends 35
Branch Connections and Fittings 37
Determining a Maximum Allowable Operating Pressure 37
Flaws in Heat Affected Zones of Welds 38
Piping and Pipelines Assessment Guide (Stationary Equipment Assessment) 1st Edition by Keith Escoe.pdf
