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Sheet metal formability and test methods -- Part 1: Formability and indexes
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Basic data
| Standard ID | GB/T 15825.1-2008 (GB/T15825.1-2008) |
| Description (Translated English) | Sheet metal formability and test methods -- Part 1: Formability and indexes |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | J32 |
| Classification of International Standard | 77.040.10 |
| Word Count Estimation | 15,162 |
| Date of Issue | 2008-12-23 |
| Date of Implementation | 2009-06-01 |
| Older Standard (superseded by this standard) | GB/T 15825.1-1995 |
| 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 parameters of sheet metal formability, indicators and the corresponding testing methods. This section applies to guide the selection and application of sheet metal forming properties and test methods. |
GB/T 15825.1-2008: Sheet metal formability and test methods -- Part 1: Formability and indexes
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Sheet metal formability and test methods.Part 1. Formability and indexes
ICS 77.040.10
J32
National Standards of People's Republic of China
Replacing GB/T 15825.1-1995
Performance and test methods for metal sheet forming
Part 1. formability and indicators
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
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 symbols, name and unit 4
5 Relationship plastic anisotropy and formability of 6
Relations 6 strain hardening exponent and formability of 6
7 FLD detection methods and engineering applications and forming limit curve 6
The basic parameters and indicators formability 8 6
9 formability Test Methods 7
Appendix A (informative) for forming simulation test instructions 8
Annex B (informative) bending tensile test 9 Rebound
References 11
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 1.
This Part replaces GB/T 15825.1-1995 "Sheet metal formability and test methods formability and indicators."
Section compared with the GB/T 15825.1-1995, major changes in the following.
--- Added "foreword";
--- Redefined the scope of this section;
--- "2 Normative references" added ISO /T R14936.1998;
--- 3.1, the "stamping" to "stamping process";
--- Original standard "narrow formability 4.2" to "3.4 crack resistance";
--- 3.4.2, the "flange deformation zone" to "master flange deformation zone";
--- Added "Figure 4 hole flange and vertical edge cracking";
--- The original "generalized formability 4.3" standard was revised to "3.7 Comprehensive formability" and be re-defined;
--- Original standard "7.1" to "3.8 Forming limit diagrams and forming limit curve," and to be defined;
--- Increased in 8.2 "g) to punch (wrinkle) indicators. Square Sheets Tensile test wrinkle high" and "h) setting indicators. Tension
Bending rebound values ";
--- Increased in Appendices A and B.
This section of the Appendices A and B are informative appendices.
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 of Technology, Beijing University of Aeronautics and Astronautics, Huazhong University of Science and Technology, 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 Xing, Li Zhigang, Li Jianhua, Chen Xinping.
This part of the standard replaces the previous editions are.
--- GB/T 15825.1-1995.
Performance and test methods for metal sheet forming
Part 1. formability and indicators
1 Scope
GB/T 15825 provisions of this part of the parameters, indicators and corresponding testing method for metal sheet forming properties.
This section applies to guide the metal sheet forming the selection and application performance and test methods.
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 4156 Metallic materials - Sheet and strip - Erichsen cupping test (GB/T 4156-2007, ISO 20482.2003,
IDT)
2006, IDT)
GB/T 5028 Standard Test Method for thin sheet metal and strain hardening exponent (like value) (GB/T 5028-1999 with stretching, eqv ISO 10275.
1993)
GB/T 15825.2 sheet metal formability and test methods - Part 2. General test procedures
GB/T 15825.3 sheet metal formability and test methods - Part 3. drawing and drawing load test
GB/T 15825.4 sheet metal formability and test methods - Part 4. Test reaming
GB/T 15825.5 sheet metal formability and test methods - Part 5. bending test
GB/T 15825.6 sheet metal formability and test methods - Part 6. Cone cup test
GB/T 15825.7 sheet metal formability and test methods - Part 7. Test lug
GB/T 15825.8 sheet metal formability and test methods - Part 8. Forming Limit Diagram (FLD) Determination Guide
ISO /T R14936.1998 metallic material strain analysis report
3 Terms and Definitions
The following terms and definitions apply to this section.
3.1
For sheet metal stamping ability to adapt to the process of forming.
3.2
From the forming geometry and physical properties of technical similarity of view, the various metal forming processes and process conditions designed typification
test.
...
