GB/T 21621-2008 English PDF

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GB/T 21621-2008: Dangerous goods -- Test method for corrosion to metals
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21621-2008	139	Add to Cart	3 days	Dangerous goods -- Test method for corrosion to metals	Valid

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Basic data

Standard ID: GB/T 21621-2008 (GB/T21621-2008)
Description (Translated English): Dangerous goods -- Test method for corrosion to metals
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A80
Classification of International Standard: 13.300
Word Count Estimation: 6,657
Date of Issue: 2008-04-01
Date of Implementation: 2008-09-01
Quoted Standard: GB 6944-2005; GB/T 15098-1994; GB 19458; ASTM G31
Adopted Standard: UNECE ST/SG/AC.10/11, NEQ
Regulation (derived from): Announcement of Newly Approved National Standards No. 5, 2008 (No. 118 overall)
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 substances on metal corrosion test instruments and equipment, test procedures and results of the assessment. This standard applies to liquid substances or during transport solid may become liquid metal corrosion test substance.

GB/T 21621-2008: Dangerous goods -- Test method for corrosion to 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.
Dangerous goods. Test method for corrosion to metals ICS 13.300 A80 National Standards of People's Republic of China Dangerous metal corrosion test methods Posted 2008-04-01 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This corresponds to the standard of the United Nations "on the Transport of Dangerous Goods Manual of Tests and Criteria Recommendations" (fourth revised edition), and its consistency Not equivalent. This standard is fully consistent with the technical content of the above-mentioned manual, according to GB/T 1.1-2000 do on a standard text format The editorial changes. This standard is managed by the National Standardization Technical Committee chemicals dangerous (SAC/TC251) and focal points. This standard is drafted by. Jiangsu CIQ. Participated in the drafting of this standard. the Chemical Institute of Standardization, Beijing Entry-Exit Inspection and Quarantine Bureau, Changzhou import and export of industrial and consumer goods Safety testing center. The main drafters of this standard. Wang Rong, Wang Xiaobing, Guo Yi, Tangshu Tian, \u200b\u200bHua Qian book, Kouhai Juan, Ding Xun. This standard was first formulated. Dangerous metal corrosion test methods

1 Scope

This standard specifies the assessment of substances on metal corrosion test equipment and facilities, test procedures and results. This standard applies to liquid substances or during transport may become a solid substance liquid metal corrosion test.

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 6944-2005 Classification and code of dangerous goods GB/T 15098-1994 transport of dangerous goods packaging principle category GB 19458 safety inspection of hazardous properties of dangerous goods - General specifications ASTMG31 Metal Corrosion Test Method Standard United Nations "on the Recommendations on the Transport of Dangerous Goods. Manual of Tests and Criteria" (fourth revised edition) United Nations "on the Recommendations on the Transport of Dangerous Goods. Model Regulations" (fourteenth revised edition)

3 Terms and Definitions

GB 19458, ASTMG31 and the United Nations "on the Recommendations on the Transport of Dangerous Goods. Model Regulations" (fourteenth revised edition) established The following terms and definitions apply to this standard. 3.1 Cause serious damage by chemical action when in contact with biological tissue or leakage when serious damage or even destroy, other goods or vehicle Substances. 3.2 Not to cause full thickness destruction of skin tissue, but at a test temperature of 55 ℃ on the corrosion rate of steel or aluminum surfaces exceeding 6.25mm/a Substances.

4 Test conditions and purpose

4.1 by biological tissue resistance test to prove the role of non-corrosive substances necessary only metal corrosion test. 4.2 This test is to determine the liquid or in transit solid may become liquid metal corrosion, thereby to determine whether the judgment GB 6944-2005 to eight categories of dangerous goods and substances such simply adopted GB/T 15098-1994 Ⅲ type of packaging.

5 instruments and equipment

5.1 Test piece Aluminum and steel as immersed in the sample of metal material, at least three, and its dimensions are. length 50mm, width 20mm, thickness 2mm, And on top of the 3mm diameter hole (see Figure 1). ......

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