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GB/T 15825.4-2008 English PDF

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US$329.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 15825.4-2008: Sheet metal formability and test methods -- Part 4: Method of hole expanding test
Status: Valid

GB/T 15825.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15825.4-2008	329	Add to Cart	3 days	Sheet metal formability and test methods -- Part 4: Method of hole expanding test	Valid
GB/T 15825.4-1995	199	Add to Cart	2 days	Sheet metal formability and test methods--Hole expanding test	Obsolete

Similar standards

GB/T 15055 GB/T 13916 GB/T 13914 GB/T 15825.3 GB/T 15825.6 GB/T 15825.2

Basic data

Standard ID: GB/T 15825.4-2008 (GB/T15825.4-2008)
Description (Translated English): Sheet metal formability and test methods -- Part 4: Method of hole expanding test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J32
Classification of International Standard: 77.040.10
Word Count Estimation: 14,186
Date of Issue: 2008-12-23
Date of Implementation: 2009-06-01
Older Standard (superseded by this standard): GB/T 15825.4-1995
Quoted Standard: GB/T 19764; GB/T 15825.2-2008
Regulation (derived from): National Standard 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 performance test methods to rate indicators reaming reaming of sheet metal forming. Applicable to the thickness of 1. 2mm ~ 6. 0mm metal plate, roll material, the use of the general sample width of not less than 90mm. Note: The rate can be tapered reamer punch, reaming test measures the cylindrical punch like. Using cylindrical punch reaming test methods in Appendix A.

GB/T 15825.4-2008: Sheet metal formability and test methods -- Part 4: Method of hole expanding 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 4. Method of hole expanding test ICS 77.040.10 J32 National Standards of People's Republic of China Replacing GB/T 15825.4-1995 Performance and test methods for metal sheet forming Part 4. Test reaming 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

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 symbols, names and units 1 5 Test principle 2 6 test device 3 Sample 3 7 Test conditions 4 8 9 test operation and step 4 10 Test calculation 5 11 Test Report 5 Appendix A (normative) Cylindrical punch hole expanding test 6

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 section is GB/T Part of 415,825. This Part replaces GB/T 15825.4-1995 "Sheet metal formability and test methods reaming test." This portion of the reference ISO /T S16630.2003 "Test methods for metallic materials reaming '(in English). Section compared with the GB/T 15825.4-1995, major changes in the following. --- Added "foreword"; --- Original standard technical regulations as part of this Appendix A; Name of the appropriate changes; --- With respect to the original standard, in Appendix A, an increase of A. 6.4. 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 of Technology, Dongfeng Motor Co., Ltd. Die stamping, Huazhong University of Science and Technology, Beijing University of Aeronautics Aerospace University, Baoshan Iron & Steel Co., Ltd. The main drafters of this section. Cao deep, Jiang Kuihua, Waring, Huang Shangyu, Mao Huajie, Li Jianhua, Li Zhigang, Li Xing, Chen Xinping. This part of the standard replaces the previous editions are. --- GB/T 15825.4-1995. Performance and test methods for metal sheet forming Part 4. Test reaming

1 Scope

GB/T 15825 provisions of this part of the rate indicators to reaming reaming of sheet metal forming performance test method for thickness 1.2mm ~ 6.0mm metal plate, coil, used a sample width is generally not less than 90mm. Note. The hole expansion rate can be tapered punch, punch and other cylindrical reaming test measurement, using a cylindrical punch hole expansion test method in Appendix A.

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, under this part are encouraged to reach 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 19764 priority number and priority number of the entire value range of Selection Guide (GB/T 19764-2005, ISO 497. 1973, IDT) GB/T 15825.2-2008 sheet metal formability and test methods - Part 2. General test procedures

3 Terms and Definitions

The following terms and definitions apply to this section. 3.1 Use hole punch for punching the sample on the reaming tests and measurements and calculations at the hole edge (vertical edge) cracking reaming change Shaped volume. 3.2 The hole punched specimen and specimen thickness ratio gap punch and die between use. 4 symbols, names and units Symbols, names and units are shown in Table 1. Table 1 Symbol Name Unit Ba opposing unilateral gap% Dd mm inner diameter reaming die Hole diameter mm Dh hole edge (vertical edge) of cracking Punched hole on D0 original specimen diameter mm ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 15825.4-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 15825.4-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 15825.4-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 15825.4-2008_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 15825.4-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15825.4-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.