1.0.1 This code is formulated for stress calculating of steam/water piping in power plant to guarantee the power plant can operate in safe, economical and continuous way.
1.0.2 This code is applicable to stress calculating of steam/water piping in conventional island of fossil fuel power plant and PWR nuclear power plant. The piping stress calculation method is also applicable to steam/water piping in conventional island of other types of power plant and nuclear power plant.
1.0.3 This code is not applicable to the following piping stress calculation:
1 Non-metal piping;
2 Casting iron, etc. fragile material;
3 Vacuum piping.
Foreword I
1 General Provisions
2 Terms and Symbols
2.1 Terms
2.2 Symbols
3 Basic Requirements
4 Allowable Stress of Steels
5 Piping Design Parameters
5.1 General Requirements
5.2 Piping in Fossil Fuel Power Plant
5.3 Piping in Conventional Island of Nuclear Power Plants
6 Calculation of Wall Thickness of Piping, Bend and Elbow Under Internal Pressure
6.1 Straight Pipe Minimum Wall Thickness
6.2 Straight Pipe Calculated Wall Thickness
6.3 Straight Pipe Nominal Wall Thickness
6.4 Bend and Elbow Wall Thickness
7 Piping Stress Calculation
7.1 General Requirement
7.2 Calculation of Compensation Value
7.3 Checking of Piping Stress
7.4 Calculation of Moment and Bending Moment of Cross Section
7.5 Calculation of Force and Moment Applied on Equipment by Piping
Appendix A Properties of Common Steels
Appendix B Flexibility Factor and Stress Intensification Factor
Explanation of Wording in This Code
List of Quoted Standards
1.0.1 This code is formulated for stress calculating of steam/water piping in power plant to guarantee the power plant can operate in safe, economical and continuous way.
1.0.2 This code is applicable to stress calculating of steam/water piping in conventional island of fossil fuel power plant and PWR nuclear power plant. The piping stress calculation method is also applicable to steam/water piping in conventional island of other types of power plant and nuclear power plant.
1.0.3 This code is not applicable to the following piping stress calculation:
1 Non-metal piping;
2 Casting iron, etc. fragile material;
3 Vacuum piping.
Contents of DL/T 5366-2014
Foreword I
1 General Provisions
2 Terms and Symbols
2.1 Terms
2.2 Symbols
3 Basic Requirements
4 Allowable Stress of Steels
5 Piping Design Parameters
5.1 General Requirements
5.2 Piping in Fossil Fuel Power Plant
5.3 Piping in Conventional Island of Nuclear Power Plants
6 Calculation of Wall Thickness of Piping, Bend and Elbow Under Internal Pressure
6.1 Straight Pipe Minimum Wall Thickness
6.2 Straight Pipe Calculated Wall Thickness
6.3 Straight Pipe Nominal Wall Thickness
6.4 Bend and Elbow Wall Thickness
7 Piping Stress Calculation
7.1 General Requirement
7.2 Calculation of Compensation Value
7.3 Checking of Piping Stress
7.4 Calculation of Moment and Bending Moment of Cross Section
7.5 Calculation of Force and Moment Applied on Equipment by Piping
Appendix A Properties of Common Steels
Appendix B Flexibility Factor and Stress Intensification Factor
Explanation of Wording in This Code
List of Quoted Standards
