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GB/T 33219-2016: Imperfections in brazed joints
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33219-2016 | English | 279 |
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Imperfections in brazed joints
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GB/T 33219-2016
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Basic data | Standard ID | GB/T 33219-2016 (GB/T33219-2016) | | Description (Translated English) | Imperfections in brazed joints | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J33 | | Classification of International Standard | 25.160.50 | | Word Count Estimation | 14,141 | | Date of Issue | 2016-12-13 | | Date of Implementation | 2017-07-01 | | Regulation (derived from) | National Standard Notice No.159 of 2016 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 33219-2016: Imperfections in brazed joints---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.
Imperfections in brazed joints
ICS 25.160.50
J33
National Standards of People's Republic of China
Brazed joints are missing
2016-12-13 released
2017-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the re-drafting method to modify ISO 18279..2003 "brazing brazed joint defects" (English version).
The technical differences between this standard and ISO 18279..2003 are as follows.
- deleted Figure 1 in ISO 18279..2003;
--- Added revision GB/T 33148 "brazing terminology" using ISO 857-2..2005 for ease of application (see Chapter 2);
- the symbols in ISO 18279..2003 are deleted and Figure 2, which is not directly related to the lack.
This standard has also made the following editorial changes.
--- Change the standard name to "brazed joint defect".
This standard is proposed by the National Welding Standardization Technical Committee (SAC/TC55).
The main drafting of this standard. Zhengzhou Institute of Machinery, Harbin Institute of Technology, Institute of Mechanical Science and Technology Harbin Institute of Welding, China
Aviation Industry Group Beijing Aeronautical Materials Research Institute, Changshu Huayin Solder Co., Ltd., Hangzhou Huaguang Welding New Material Co., Ltd.
, Zhejiang Yatong Welding Material Co., Ltd., Zhejiang Yinlun Machinery Co., Ltd.
The main drafters of this standard. Long Weimin, He Peng, Lv Xiaochun, Cheng Yaoyong, Gu Wenhua, Jin Limei, Shi Lei, Mai Xiaobo, Su Jinhua.
Brazed joints are missing
1 Scope
This standard specifies the classification and description of the brazed joint defects.
This standard applies to the identification of various types of brazing defects in brazed joints.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 33148 brazing terminology (GB/T 33148-2016, ISO 857-2..2005, MOD)
3 terms and definitions
GB/T 33148 Definitions and the following terms and definitions apply to this document.
3.1
Brazing lack of brazingimperfection
In the brazed joints due to brazing the metal is not continuous, not dense, irregular, poor connection and shape or size deviation phenomenon.
Referred to as "lack of".
4 classification of missing
4.1 Overview
The deficiency is divided into the following six groups.
--- group Ⅰ crack;
--- group Ⅱ cavities;
- Ⅲ group solid inclusion;
--- group Ⅳ combination of defects;
- Ⅴ group shape and size of the lack of;
--- Ⅵ group other deficiencies.
Defects can be identified by code.
Each defect can be subdivided into external deficiencies and internal deficiencies according to their location.
4.2 External deficiencies
Brazing joints External defects include.
Not filled
---crack;
The surface is not complete loose;
--- incomplete brazing angle;
--- excessive lap;
Local melting
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