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GB/T 33210-2025 English PDF

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US$599.00 · In stock
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GB/T 33210-2025: Non-destructive testing - Test method for determining residual stresses based on inverse magnetostrictive effect
Status: Valid

GB/T 33210: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33210-2025	599	Add to Cart	5 days	Non-destructive testing - Test method for determining residual stresses based on inverse magnetostrictive effect	Valid
GB/T 33210-2016	199	Add to Cart	3 days	Non-destructive testing -- Test method for determining residual stresses by electromagnetic technology	Valid

Basic data

Standard ID: GB/T 33210-2025 (GB/T33210-2025)
Description (Translated English): Non-destructive testing - Test method for determining residual stresses based on inverse magnetostrictive effect
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J04
Classification of International Standard: 19.100
Word Count Estimation: 30,370
Date of Issue: 2025-08-29
Date of Implementation: 2025-08-29
Older Standard (superseded by this standard): GB/T 33210-2016
Issuing agency(ies): State Administration for Market Regulation, National Standardization Administration

GB/T 33210-2025: Non-destructive testing - Test method for determining residual stresses based on inverse magnetostrictive effect

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT33210-2025
ICS 19.100 CCSJ04 National Standard of the People's Republic of China Replaces GB/T 33210-2016 Nondestructive testing of residual Stress detection method Released on August 29, 2025 Implementation on August 29, 2025 State Administration for Market Regulation The National Standardization Administration issued

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Detection Principle 1 5 Safety Requirements 2 6 General testing process regulations 3 7 Detection System 3 8 Testing Procedure 5 9 Test Records and Reports 8 Appendix A (Informative) Relationship between principal stress difference, current difference and differential voltage 9 Appendix B (Informative) Calculation method of principal stress separation based on shear stress difference method 12 Appendix C (Informative) Determination of Sensitivity 16 Appendix D (Informative) Test Example 18 Appendix E (Informative) Test Report Example 20 Reference 22 Preface 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 replaces GB/T 33210-2016 "Electromagnetic testing method for non-destructive testing of residual stresses" and is consistent with GB/T 33210-2016. In addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed the scope (see Chapter 1, Chapter 1 of the.2016 edition); --- Added terms and definitions for sensitivity, extreme and shear stress difference methods (see 3.1, 3.2 and 3.3); --- Added detection principle (see Chapter 4); --- Added safety requirements (see Chapter 5); --- Deleted personnel qualifications (see Chapter 4 of the.2016 edition); --- Added general testing process regulations (see Chapter 6); --- Changed the detection system (see Chapter 7, Chapter 6 of the.2016 edition); --- Changed the test procedure (see Chapter 8, Chapter 7 of the.2016 edition); --- Changed the test records and reports (see Chapter 9, Chapter 8 of the.2016 edition). 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 Non-destructive Testing (SAC/TC56). This document was drafted by. China Special Equipment Testing and Research Institute, Shanghai Materials Research Institute Co., Ltd., Guangdong Special Equipment Testing and Research Institute Foshan Testing Institute of the Institute, China University of Mining and Technology, Ningxia University, and Star Intelligent Testing Systems (Suzhou) Co., Ltd. The main drafters of this document are. Ding Keqin, Jiang Jiansheng, Xin Wei, Deng Bo, Wang Zhijie, Yin Chunhao, Shi Pengpeng, Ding Jie, Liu Haishun, Chen Li, Zhao Na, Chen Guang, Wang Wenshuai, Li Na, Zhang Lijing, Wei Ming, Cheng Yayu, Li Jiashun, Wu Zhihang, and Han Lina. This document was first published in.2016 and this is the first revision. Nondestructive testing of residual Stress detection method

1 Scope

This document describes a method for detecting residual stress on the surface of ferromagnetic materials based on the inverse magnetostrictive effect. This document is applicable to the surface residual stress detection of ferromagnetic structural parts (such as ferromagnetic structures in special equipment, transportation, energy and other fields). member).

2 Normative references

The contents of the following documents constitute the 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 12604.6 Non-destructive testing terminology Eddy current testing GB/T 20737 General terms and definitions for non-destructive testing

3 Terms and Definitions

The terms and definitions defined in GB/T 12604.6 and GB/T 20737 and the following apply to this document. 3.1 sensitivity The output voltage or current value of the detection instrument under unit stress. Note. The unit is millivolt per megapascal (mV/MPa) or milliampere per megapascal (mA/MPa). 3.2 pole The claw part of the detection sensor where the excitation coil and detection coil are wound. Note. Such as U-shaped two-pole sensor, four-pole sensor and nine-pole sensor, etc. 3.3 The principal stress difference and principal stress direction are directly obtained by the measurement method based on the inverse magnetostrictive effect, and the equilibrium method of elastic mechanics is used to obtain the principal stress difference and principal stress direction. The analytical method for determining the various stress components of the plane stress state at a point is used. Note. The shear stress difference method is a commonly used calculation method for principal stress separation in two-dimensional plane stress analysis.

4 Detection Principle

When residual stress exists inside ferromagnetic materials, the residual stress will produce magnetic characteristics (performance) in the structural parts due to the inverse magnetostrictive effect. The residual stress in the structural parts can be detected by measuring the surface magnetic induction signal. The residual stress detection principle of the expansion and contraction effect is shown in Figure 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 33210-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 33210-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 33210-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 33210-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 33210-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 33210-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.