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GB/T 8364-2008: Test methods of thermal flexure of thermostat metals
Status: Valid GB/T 8364: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 8364-2008 | English | 509 |
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4 days [Need to translate]
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Test methods of thermal flexure of thermostat metals
| Valid |
GB/T 8364-2008
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| GB/T 8364-2003 | English | 359 |
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Test method for specific thermal deflection of thermostat metals
| Obsolete |
GB/T 8364-2003
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| GB/T 8364-1987 | English | 199 |
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Test method for specific thermal deflection of thermostat metals
| Obsolete |
GB/T 8364-1987
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PDF similar to GB/T 8364-2008
Basic data | Standard ID | GB/T 8364-2008 (GB/T8364-2008) | | Description (Translated English) | Test methods of thermal flexure of thermostat metals | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H21 | | Classification of International Standard | 77.040.99 | | Word Count Estimation | 22,25 | | Date of Issue | 2008-08-19 | | Date of Implementation | 2009-04-01 | | Older Standard (superseded by this standard) | GB/T 5985-2003; GB/T 5987-1986; GB/T 8364-2003 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.14 (Total No.127) | | 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 | | Summary | This standard specifies the measurement of thermal bimetal than bending, temperature curvature, basic principles of bending constants, measuring device, preparation and sample requirements, test procedures and calculations, tests such as error reporting and accuracy. This standard includes the bimetallic ratio bending, test methods and bending curvature constant temperature. Bimetal thermal bending test method than the applicable thickness 0 60 mm ~ 1. 25 mm, . Temperature range of 20��C ~ 130��C heat than bending performance measurement bimetallic strip. Thermal bimetal temperature test method for the determination of the curvature of the thickness of 0. 30 mm ~ 1. 25 mm direct thermal bimetal strip and thickness of less than 0. 30 mm spiral bimetallic temperature thermal curvature. | GB/T 8364-2008: Test methods of thermal flexure of thermostat metals---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.
Test methods of thermal flexure of thermostat metals
ICS 77.040.99
H21
National Standards of People's Republic of China
Replacing GB/T 5985-2003, GB/T 5987-1986, GB/T 8364-2003
Thermal bimetal thermal bending test method
Posted 2008-08-19
2009-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard replaces GB/T 8364-2003 "hot bimetallic than bending test method", GB/T 5987-1986 "hot bimetallic temperature curvature test
Test methods "and GB/T 5985-2003" thermal bimetal bending constant measurement method. "
This standard and GB/T 8364-2003, GB/T 5987-1986 and GB/T 5985-2003 compared to the main changes are as follows.
--- The GB/T 8364-2003, GB/T 5987-1986 and GB/T 5985-2003 three standards into one standard, and
The standard name be changed to "heat the bimetal thermal bend test method";
--- The scope of the "hot metal temperature double curvature test method for measuring the thickness of greater than or equal to 0.3mm straight bimetallic strip hot
Spiral heat and thickness of less than 0.30mm bimetallic temperature curvature "with" hot bimetallic temperature test method is suitable for measuring the curvature
Given thickness of 0.30mm ~ 1.25mm straight bimetal strip heat and thickness of less than 0.30mm spiral heat bimetallic temperature
Camber ";
--- Delete references to normative documents GB/T 2900.4;
--- 4.4.8 Remove the "Notes";
--- Delete "hot bimetallic" is defined;
--- Original three test methods on the same terms "temperature measuring device", "bath", "measuring", "Sample preparation and requirements", "test
Inspection report "unified presentation;
--- Correct Appendix E ΣY values, other results for the corresponding corrections;
--- Unified standard in all significant digits.
Appendix A of this standard is a normative appendix, Appendix B, Appendix C, Appendix D and Appendix E are informative appendices.
The standard proposed by China Iron and Steel Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee.
This standard is mainly drafted by. Baoshan Iron & Steel Co., Ltd., Metallurgical Industry Standardization Institute of Information, Shanghai Electrical Apparatus Research Institute
(Group) Co., Ltd., Shaanxi Precision Alloy Co., Ltd., Beijing North Ye Functional Materials Co., Ltd.
Drafters of this standard. Shen Yi, Zhang Zhongmin, Feng Chao, Rencui Ying, Feng Yunfu, Eileen Chang, LI Li-min.
This standard replaces the standard for the previous editions.
--- GB/T 5985-1986, GB/T 5985-2003;
--- GB/T 5987-1986;
--- GB/T 8364-1987, GB/T 8364-2003.
Thermal bimetal thermal bending test method
1 Scope
This standard specifies the measurement of thermal bimetallic than bending, temperature and curvature constant bending the basic principles of the measuring device, and requirements for preparing the sample,
Test procedures and the results of calculations, test reports and accuracy errors. This standard includes a bimetallic than bending, bending curvature and constant temperature test
method.
Thermal bimetal bend test than that applied to a thickness of 0.60mm ~ 1.25mm, temperature range 20 ℃ ~ 130 ℃ heat the bimetal strip
Material than the bending performance measurements. Thermal bimetal flexivity Test methods for the determination of the thickness of 0.30mm ~ 1.25mm straight strip hot
Bimetallic and thickness of less than 0.30mm spiral heat bimetallic temperature curvature. Thermal bimetallic constant bending test method for measuring thickness
Degree of 0.25mm ~ 1.20mm, the measured temperature range from room temperature to 100 ℃ heat the bimetal strip specimen flat curved constant.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 4461 heat the bimetal strip
JB/T 9551 heat bimetal spiral element heat deflection test method
3 Thermal bimetallic than bending test method
3.1 Measuring principle
Thermal bimetal bending test method than using a cantilever method. From the specimen, specimen holder, displacement measuring rod and electrical contact indicator composition
A closed loop (see Fig. 2). According to the basic characteristics of the curvature of the bimetal thermal changes with temperature, the sample displacement measuring rod as close
The switching circuit to measure the displacement of the free end of the specimen - deflection changes.
3.2 Terms and Definitions
3.2.1 Curvature
R-1
Thickness δ, a length L of hot narrow strip bimetal at a temperature T0, the flat state, the free end of the centerline position
M0. When the temperature is T1 and T2 when the bending radius of curvature R1 and R2, the free end of the centerline, respectively M1 and M2,
Figure 1 Thermal bimetal curved schematic
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