GB/T 15825.7-2008 English PDF

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GB/T 15825.7-2008: Sheet metal formability and test methods -- Part 7: Earing test
Status: Valid

GB/T 15825.7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15825.7-2008	259	Add to Cart	3 days	Sheet metal formability and test methods -- Part 7: Earing test	Valid
GB/T 15825.7-1995	239	Add to Cart	2 days	Sheet metal formability and methods--Earing test	Obsolete

Similar standards

GB/T 15055   GB/T 13916   GB/T 13914   GB/T 15825.3   GB/T 15825.4   GB/T 15825.2   

Basic data

Standard ID: GB/T 15825.7-2008 (GB/T15825.7-2008)
Description (Translated English): Sheet metal formability and test methods -- Part 7: Earing test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J32
Classification of International Standard: 77.040.10
Word Count Estimation: 11,122
Date of Issue: 2008-12-23
Date of Implementation: 2009-06-01
Older Standard (superseded by this standard): GB/T 15825.7-1995
Quoted Standard: GB/T 15825.2-2008; GB/T 4340.1
Regulation (derived from): National Standard Approval Announcement 2008 No.21 (Total No.134)
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 lug to lug height and Ze rate as an indicator of the plastic sheet metal plane anisotropy test methods. This section applies to the thickness of the metal sheet 0. 10mm ~ 3. 00mm.

GB/T 15825.7-2008: Sheet metal formability and test methods -- Part 7: Earing test

---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.
Sheet metal formability and test methods Part 7. Earing test ICS 77.040.10 J32 National Standards of People's Republic of China Replacing GB/T 15825.7-1995 Performance and test methods for metal sheet forming Part 7. Test lug Posted 2008-12-23 2009-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 15825 "Performance and test methods for sheet metal forming" is divided into eight sections. --- Part 1. formability and indicators; --- Part 2. General test procedures; --- Part 3. drawing and drawing load test; --- Part 4. reaming test; --- Part 5. bending test; --- Part 6. Cone cup test; --- Part 7. Test lug; --- Part 8. Forming Limit Diagram (FLD) Determination Guide. This part of GB/T 15825 Part 7. This Part replaces GB/T 15825.7-1995 "Sheet metal formability and test methods - Earing test." Section compared with the GB/T 15825.7-1995, major changes in the following. --- Added "foreword"; --- "2 Normative references" added GB/T 4340.1; --- Text reference ISO 11531.1994 Content "metal material lug test" (in English), the original standard part of the test gauge Given as part of this Appendix A; --- In Appendix A to the original standards were editorial changes. This section of Appendix A normative appendix. This part is proposed by China Machinery Industry Federation. This part of the National Standardization Technical Committee centralized forging. This section is drafted. Zhengzhou University, Wuhan University, Huazhong University of Science and Technology, Beijing University of Aeronautics and Astronautics, Dongfeng Motor Die stamping Ltd., Baoshan Iron and Steel Corporation. The main drafters of this section. Cao deep, Jiang Kuihua, Waring, Huang Shangyu, Mao Huajie, Li Zhigang, Li Xing, Li Jianhua, Chen Xinping. This part of the standard replaces the previous editions are. --- GB/T 15825.7-1995. Performance and test methods for metal sheet forming Part 7. Test lug

1 Scope

This section GB/T 15825 in the provisions of the lugs and lug height ratio as an indicator of Ze sheet metal plane plastic anisotropy test method. This section applies to the thickness of the sheet metal of 0.10mm ~ 3.00mm.

2 Normative references

The following documents contain provisions which, through reference GB/T 15825 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 15825.2-2008 sheet metal formability and test methods - Part 2. General test procedures GB/T 4340.1 Vickers hardness test - Part 1. Test method (GB/T 4340.1-1999, eqv ISO 6507-1. 1997) 3 symbols, names and units Symbols, names and units are shown in Table 1, Figures 1 and 2. Table 1 symbol, name and unit Symbol Name Unit Ze lug rate (average height and average lug lug Valley high percentage)% D0 specimen diameter mm Dd die diameter mm Fc BHF N Fcmin minimum BHF N ......

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