Chapter 33: Material of Construction

33.1 Introduction 3
33.1.1 Related References 3
33.2 Environments that typically require special materials 3
33.3 Classes of materials 4
33.4 Materials Selection Criteria 5
33.4.1 Material Selection in Process Units 6
33.4.2 Materials for General Process plant use 7
33.4.3 Common Environmental Considerations 14
33.4.4. Post Weld Heat Treating (PWHT) 24
33.4.5 Materials for Special Equipment 25
33.4.6 Temperature Considerations 27
33.4.7 Corrosion 28
33.4.8 Environmental Induced Attack 36
33.4.9 Relative Metallic Material Costs Comparison 44
33.5 Non-Metallic Materials 45
33.5.1 Plastics 45
33.6 Material of Construction 65
33.7 Material Selection Table 71
33.8 References 90

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