Standard No.:	GB/T 16507.4-2022
English Name:	Water-tube boilers—Part 4:Strength calculation of pressure parts
Chinese Name:	水管锅炉 第4部分：受压元件强度计算
Chinese Classification:	J98    Boiler and its auxiliary equipment
Professional Classification:	GB    National Standard
ICS Classification:	27.060.30 27.060.30    Boilers and heat exchangers 27.060.30
Source Content Issued by:	SAMR; SAC
Issued on:	2022-3-9
Implemented on:	2022-10-1
Status:	valid
Superseding:	GB/T 16507.4-2013 Water-tube boilers—Part 4:Strength calculation of pressure parts
Target Language:	English
File Format:	PDF
Word Count:	35280 words
Translation Price(USD):	1411.2
Delivery:	via email in 1~8 business day

本文件规定了水管锅炉受压元件强度计算的基本要求，许用应力、计算壁温、计算压力、减弱系数、元件厚度、计算厚度、开孔补强、厚度附加量、最高允许压力的设计计算方法，附加应力校核以及结构限制和要求，并规定了确定元件最高允许工作压力的试验和有限元分析验证方法。本文件适用于GB/T 16507.1界定的受压元件，包括锅筒筒体、启动（汽水）分离器筒体、集箱筒体、管子、管道、弯管、弯头、圆弧形集箱筒体、凸形封头、平端盖及盖板和三通等元件。

Foreword i Introduction iv 1 Scope 2 Normative references 3 Terms and definitions 4 Basic requirements 5 Allowable stress 6 Calculated wall temperature 7 Calculation pressure 8 Weakening coefficient 9 Element thickness 10 Required thickness 11 Opening reinforcement 12 Additional thickness 13 Maximum allowable pressure 14 Additional stress check 15 Structural restrictions and requirements Annex A (Normative) Calculation of low-cycle fatigue life of boiler drum Annex B (Normative) Test and finite element analysis verification methods for determining the maximum allowable working pressure of elements Annex C (Normative) Value of design additional pressure (Δpa) Annex D (Informative) Value of process additional thickness Annex E (Informative) Approximation algorithm for bending section modulus (Wx1) of opening weakened section Bibliography