GB/T 16507.4-2013 Water-tube Boilers—Part 4: Strength calculation of pressure parts (Text of Document is in English) - Beijing translation compay

Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Allowable stress
6 Calculation of wall temperature
7 Calculation of pressure
8 Weakening factor
9 Thickness of component
10 Calculation of thickness
11 Opening reinforcement
12 Verification method of maximum allowable working pressure of component
13 Additional amount of thickness
14 Maximum allowable working pressure
15 Verification of additional stress
16 Structure limit and requirements
Annex A (Normative) Calculation of low cycle fatigue life of boiler cylinder
Annex B (Informative) Selection method of designed additional pressure △pa
Annex D (Informative) Approximation algorithm of bending resistance section modulus Wx1 of opening weakening section