DL/T 5366-2006 in English

This standard specified the basic technical requirements for stress calculation of steam/water pipes in the thermal power plant.

This standard is applicable to the stress calculation of steam/water pipes in the thermal power plants which are being newly built, undergoing expansion or being rebuilt as well as in the thermal plants which take the low carbon steels, low alloy steels and high chrome steels as their piping materials.

The stress calculation of the oil/gas media pipes and the non-nuclear pipes of the nuclear power station can refer to this standard.

Foreword II
1 Scope
2 Normative Quoted Documents
3 General Rules
4 Allowable Stresses of the Steels
5 Design Parameters of the Pipes
6 Wall Thickness Calculations of Pipes Bearing the Internal Pressure
7 Calculation of Compensation Value
8 Piping Stress Check
9 Calculations of the Thrust and Moment of the Pipes to the Equipments
Appendix A (Normative) Units and Meanings of the Applying Symbols
Appendix B (Informative) Performance of the Commonly Used Steels
Appendix C (Normative) Flexibility Coefficient and Stress Increasing Coefficient