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GB/T 4732.2-2024: Pressure vessels design by analysis - Part 2: Materials
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Pressure vessels design by analysis - Part 2: Materials
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GB/T 4732.2-2024
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Basic data | Standard ID | GB/T 4732.2-2024 (GB/T4732.2-2024) | | Description (Translated English) | Pressure vessels design by analysis - Part 2: Materials | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J74 | | Classification of International Standard | 23.020.30 | | Word Count Estimation | 68,629 | | Date of Issue | 2024-07-24 | | Date of Implementation | 2024-07-24 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 4732.2-2024: Pressure vessels design by analysis - Part 2: Materials---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 23.020.30
CCSJ74
National Standard of the People's Republic of China
Pressure vessel analysis and design
Part 2.Materials
Part 2.Materials
Released on 2024-07-24
2024-07-24 implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 General Requirements 2
5 Steel Plate 5
6 Steel pipe 10
7 Steel Forgings 12
8 Steel bars for studs (including bolts) and nuts 14
9 Welding materials 18
Appendix A (Normative) Supplementary Provisions for Steel 19
Appendix B (Normative) Allowable stress of steel 21
Appendix C (Informative) High temperature yield strength, high temperature endurance strength limit average value, elastic modulus and average linear expansion coefficient of steel 42
Appendix D (Informative) Approximate comparison table of high alloy steel grades 56
References 58
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is Part 2 of GB/T 4732 "Analysis and Design of Pressure Vessels". GB/T 4732 has been published in the following parts.
--- Part 1.General requirements;
--- Part 2.Materials;
--- Part 3.Formula method;
--- Part 4.Stress classification method;
--- Part 5.Elastic-plastic analysis methods;
--- Part 6.Manufacturing, inspection and acceptance.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Standardization of Boilers and Pressure Vessels (SAC/TC262).
This document was drafted by. Hefei General Machinery Research Institute Co., Ltd., China Special Equipment Testing and Research Institute, Sinopec Engineering Construction Co., Ltd.
Ltd., Sinopec Guangzhou Engineering Co., Ltd., Jiangsu Special Equipment Safety Supervision and Inspection Institute, Nanjing Iron and Steel Co., Ltd.,
(Deyang) Heavy Equipment Co., Ltd.
The main drafters of this document are. Zhang Xiaohu, Yang Guoyi, Duan Rui, Zhang Guoxin, Chang Yanyan, Miao Chunsheng, Chen Zhiwei, Lu Daiding, Kong Weihai,
Huo Songbo and Shen Guoqu.
Introduction
GB/T 4732 "Analysis and Design of Pressure Vessels" provides the requirements for the construction of pressure vessels according to the analysis and design method. GB/T 150 is based on
The rule design concept puts forward the requirements for the construction of pressure vessels. Pressure vessel design and manufacturing units can choose two construction methods according to the specific design conditions.
One of the standards implements the construction of pressure vessels.
GB/T 4732 consists of 6 parts.
--- Part 1.General requirements. The purpose is to provide general requirements for pressure vessels built according to analysis and design, including relevant management requirements.
Requirements, common terms and definitions, and basic requirements shared by other parts of GB/T 4732.
--- Part 2.Materials. The purpose is to give the relevant requirements and material properties of steel materials in pressure vessels built according to analysis and design.
Energy data, etc.
--- Part 3.Formula method. The purpose is to give typical pressure components and structural design requirements of pressure vessels built according to analytical design.
The thickness calculation formulas for commonly used container parts designed by the formula method are specifically given. GB/T 4732.3 can be used as
The design basis of GB/T 4732.4 and GB/T 4732.5 can also be simplified and completed according to GB/T 4732.3.
Analysis design.
--- Part 4.Stress classification method. The purpose is to give the stress classification method used in pressure vessels built according to analysis and design.
Design related regulations.
--- Part 5.Elastic-plastic analysis method. The purpose is to give the elastic-plastic analysis method used in pressure vessels built according to analytical design.
Relevant provisions for design in accordance with the law.
--- Part 6.Manufacturing, inspection and acceptance. The purpose is to give the structural types of pressure vessels built according to analysis and design.
Manufacturing, inspection and acceptance requirements for devices.
GB/T 4732 includes the pressure vessel construction process based on the analysis and design method (i.e. materials, design, manufacturing, inspection, testing and verification).
GB/T 4732 does not need to and cannot cover all the technical requirements and special prohibition regulations that need to be followed in the collection work.
All technical details of the pressure vessel construction, therefore, under the premise of meeting the basic safety requirements specified in the safety technical specifications, there is no restriction
There is no special mention of technical content in GB/T 4732.GB/T 4732 cannot be used as a technical manual for the construction of specific pressure vessels, nor can it be used as a technical manual for the construction of specific pressure vessels.
Alternative training, engineering experience and engineering evaluation. An engineering evaluation is a review of a specific
Technical evaluation of products. Engineering evaluation needs to comply with the relevant technical requirements of GB/T 4732.
GB/T 4732 does not restrict the use of other advanced technical methods in actual engineering construction, but engineering and technical personnel use advanced technical methods.
Reliable judgment is needed when applying the law to ensure that it meets the requirements of GB/T 4732.
GB/T 4732 neither requires nor restricts designers to use computer programs to analyze and design pressure vessels, but the use of computers is
When analyzing and designing the program, in addition to meeting the requirements of GB/T 4732, it is also necessary to confirm.
--- Reasonableness of the technical assumptions in the adopted procedures;
--- The applicability of the adopted procedures to the design content;
---The correctness of the program input parameters and output results used for engineering design.
When performing stress analysis and design calculations, you can choose or not to use GB/T 4732.3 as the design basis, and then use
GB/T 4732.4 or GB/T 4732.5 to conduct specific design calculations to determine whether the design calculation requirements for preventing structural failure are met.
Component thickness or local structural dimensions. When GB/T 4732.4 or GB/T 4732.5 is used independently as the design basis, there is no need to
satisfy.
Pressure vessel analysis and design
Part 2.Materials
1 Scope
This document specifies the permitted grades and standards of steel materials for pressure components of steel pressure vessels designed using analytical design methods.
Additional technical requirements for steel, scope of use of steel (temperature and pressure), allowable stress of steel, and basic requirements for welding materials.
This document is applicable to pressure vessels with a design temperature of -269℃~800℃ and a design pressure less than 100MPa.
The scope of inapplicability of this document is the scope of inapplicability specified in GB/T 4732.1.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 228.1 Tensile test of metallic materials Part 1.Room temperature test method
GB/T 228.2 Tensile test of metallic materials Part 2.High temperature test method
GB/T 229 Charpy pendulum impact test method for metallic materials
GB/T 699 High-quality carbon structural steel
GB/T 713.2 Steel plates and strips for pressure equipment Part 2.Non-alloy steels and alloy steels with specified temperature properties
GB/T 713.3 Steel plates and strips for pressure equipment Part 3.Low alloy steels with specified low temperature properties
GB/T 713.4 Steel plates and strips for pressure equipment Part 4.Nickel alloy steels with specified low temperature properties
GB/T 713.5 Steel plates and strips for pressure equipment Part 5.High manganese steels with specified low temperature properties
GB/T 713.6 Steel plates and strips for pressure equipment Part 6.Quenched and tempered high-strength steel
GB/T 713.7 Steel plates and strips for pressure equipment Part 7.Stainless steel and heat-resistant steel
GB/T 1220 Stainless Steel Bars
GB/T 1221 Heat-resistant steel bars
GB/T 3077 Alloy structural steel
GB/T 3965 Determination of diffusible hydrogen in deposited metal
GB/T 4226 Stainless steel cold-worked bars
GB/T 4334 Corrosion of metals and alloys - Test method for intergranular corrosion of austenitic and ferrite-austenitic (duplex) stainless steels
GB/T 4732.1 Analysis and design of pressure vessels Part 1.General requirements
GB/T 6394 Determination of average grain size of metals
GB/T 6479 Seamless steel pipe for high pressure fertilizer equipment
GB/T 6803 Drop weight test method for non-ductile transition temperature of ferritic steel
GB/T 7735-2016 Automatic eddy current testing of seamless and welded (except submerged arc welded) steel tubes for defects
GB/T 9948 Seamless steel pipe for petroleum cracking
GB/T 13305 Metallographic determination of α-phase area content in stainless steel
GB/T 20878 Stainless steel and heat-resistant steel grades and chemical compositions
GB/T 21433 Test for intergranular corrosion susceptibility of stainless steel pressure vessels
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