Search result: GB/T 32532-2016
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Non-consumable tungsten electrodes for arc welding and cutting
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GB/T 32532-2016
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| Standard ID | GB/T 32532-2016 (GB/T32532-2016) | | Description (Translated English) | Non-consumable tungsten electrodes for arc welding and cutting | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J33 | | Classification of International Standard | 25.160.20 | | Word Count Estimation | 19,183 | | Date of Issue | 2016-02-24 | | Date of Implementation | 2016-09-01 | | Regulation (derived from) | National Standard Announcement No | | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China |
GB/T 32532-2016
Nonconsumable tungsten electrodes for arc welding and cutting
ICS 25.160.20
J33
National Standards of People's Republic of China
Welds for welding and cutting
(ISO 6848..2004, Arcweldingandcutting-Nonconsumabletungsten
electrodes-Classification, MOD)
2016-02-24 released
2016-09-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Directory
Preface III
1 range 1
2 normative reference document 1
3 Model 1
Technical requirements 1
5 Test methods 3
6 inspection rules 4
7 Packaging, logo and quality certificate 5
Appendix A (informative) Tungsten use instructions 6
Appendix B (informative) Tungsten type and use 10
Preface
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 6848..2004 "Arc Welding and Cutting Non-Melted Tungsten Classification"
The main technical differences between this standard and ISO 6848..2004 are as follows.
--- normative reference documents with the use of international standards GB 3101 instead of ISO 31-0;
--- According to the development and application of the electrode, an increase of composite tungsten electrode classification, an increase of WX10, WX20, WX30 and WX40, etc.
4 composite tungsten electrode models.
For ease of use, this standard has also made the following editorial changes.
--- standard name to "welding and cutting with tungsten";
- the standard structure, according to the model, technical requirements, test methods, inspection rules, packaging, signs and quality certification to prepare;
The number of the nominal value of the added oxide in the tungsten model is multiplied by the mass percentage by 10 as the nominal content (mass fraction
Number) multiplied by 1000;
--- Added Appendix B, introduced the characteristics and uses of various types of tungsten, easy to use.
This standard is proposed by the National Welding Standardization Technical Committee (SAC/TC55).
The drafting unit of this standard. Harbin Institute of Welding, Beijing University of Technology.
The drafters of this standard. Chen Mo, Nie Zuoren, Li Susan, Yang Jianxian, Fang Naiwen, An Hongliang, Song North, Jin Tong, Wang Bo.
Welds for welding and cutting
1 Scope
This standard specifies the tungsten model, technical requirements, test methods, inspection rules, packaging, marking and quality certification.
This standard applies to inert gas shielded welding, plasma arc welding, cutting and thermal spraying with non-melting tungsten.
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 3101-1993 General principles relating to quantities, units and symbols (eqvISO 31-0..1992)
3 models
3.1 Model division
The tungsten model is divided by its chemical composition. Refer to Appendix A for the use of tungsten and see Appendix B for tungsten type and use.
3.2 model preparation method
The tungsten model consists of three parts.
a) The first part uses the letter "W" to represent the tungsten;
b) The second part is the tungsten chemical composition classification code, see Table 1. among them.
1) No added oxide is indicated by the letter "P";
2) the addition of the oxide is represented by the non-oxygen element symbol of the main oxide;
3) adding the multicomponent compound oxide with the letter "X";
4) The above is indicated by the letter "G" and the non-oxygen element symbol of the main oxide.
c) The third part is one or two digits, multiplied by 1000 for the added major or multiple oxide nominal content (mass fraction).
3.3 Model example
Examples of complete tungsten models in this standard are as follows.
Said tungsten
Ce
Indicating that the main additive oxide is CeO2
Indicates that the nominal content of the main oxide (mass fraction) is 2.0% multiplied by 1000
4 technical requirements
4.1 size and allowable deviation
The tungsten diameter and tolerances shall be in accordance with Table 2. The tungsten length and tolerances shall be in accordance with Table 3. According to the agreement between supply and demand, can be produced
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