GB/T 24513.2-2010 English PDF

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GB/T 24513.2-2010: Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 2: Determination of corrosion attack in indoor atmospheres
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24513.2-2010	254	Add to Cart	3 days	Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 2: Determination of corrosion attack in indoor atmospheres	Valid

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Basic data

Standard ID: GB/T 24513.2-2010 (GB/T24513.2-2010)
Description (Translated English): Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 2: Determination of corrosion attack in indoor atmospheres
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H25
Classification of International Standard: 77.060
Word Count Estimation: 13,170
Date of Issue: 2011-01-10
Date of Implementation: 2011-10-01
Quoted Standard: GB/T 16545-1996; GB/T 17214.4-2005; ANSI/ISA-S71.04-1985
Adopted Standard: ISO 11844-2-2005, IDT
Regulation (derived from): National Standard Approval Announcement 2011 No.1 (Total No.166)
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 use of metal standard measurement sample indoor low corrosion rate of speed corrosive atmosphere. Having different sensitivities may be used for etching copper, silver, zinc and steel standard sample were measured. In order to get the value side as the division level indoor atmospheric corrosion standards, direct evaluation of indoor atmospheric corrosion.

GB/T 24513.2-2010: Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 2: Determination of corrosion attack in indoor atmospheres

---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.
. Corrosion of metals and alloys Classification of low corrosivity of indoor atmospheres Part 2. Determination of corrosion attack in indoor atmospheres ICS 77.060 H25 National Standards of People's Republic of China Indoor atmospheric corrosion of metals and alloys Classification of low corrosivity Determination of indoor atmospheric corrosion. Part 2 Part 2. Determinationofcorrosionattackinindooratmospheres (ISO 11844-2.2005, IDT) Issued on. 2011-01-10 2011-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 24513 is divided into three parts. --- Part 1. Indoor atmospheric corrosion measurement and evaluation; --- Part 2. Determination of indoor atmospheric corrosion; --- Part 3. Determination of indoor environmental parameters of atmospheric corrosion. This part of GB/T 24513 Part 2. This section uses the translation method identical with ISO 11844-2.2005 Indoor atmospheric corrosion "metals and alloys - Classification of low corrosivity Part 2 indoor atmospheric corrosion of determination. " This part made the following editorial changes. --- Delete international standards foreword, introduction and references. This part of the Annex A, Annex B normative appendix Appendix C is informative appendix. This part is proposed by the China Iron and Steel Association. This part of the National Steel Standardization Technical Committee. This section drafted by. Institute of Metal Research, Metallurgical Industry Information Standards Institute, the national environmental corrosion materials science field Research Center Research Station network. The main drafters of this section. Wangzhen Yao, Feng Chao, Wang Chuan, Han Wei, Liu gem. Indoor atmospheric corrosion of metals and alloys Classification of low corrosivity Determination of indoor atmospheric corrosion. Part 2

1 Scope

GB/T 24513 provisions of this part of the measurement sample using a metal standard indoor low corrosivity of atmospheric corrosion rate method. Can Copper, silver, zinc and steel corrosion standard samples having different sensitivities were measured to the measured value as the division of indoor atmospheric corrosion, etc. Class standards, the direct evaluation of indoor atmospheric corrosion.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. 16545-1996 corrosion test specimens of metals and alloys Clear GB/T corrosion products (eqv ISO 8407.1991) GB/T 17214.4-2005 industrial process measurement and control equipment operating conditions - Part 4. Corrosive and erosive impact (IEC 60654-4. 1987, IDT) State of the Environment 1985 processing, measurement and control systems.. ANSI/ISA-S71.04 air pollutants Principle 3 Indoor local environment (for example. control rooms, electrical boxes, storage room, transport vehicles, museums, etc.) by standard metal corrosion samples Resistance change or mass change after exposure in these environments must cycle unit area to calculate the corrosion rate determined. Different materials not Environmental sensitivity with complex parameters or environmental parameters are different. Method 4 Appendix A and Appendix B of the method used to evaluate the corrosion 4.1. To determine the corrosion rate (Appendix A) --- the use of quality changes; To determine the corrosion rate (Appendix B) --- cathode by electrolytic reduction; The method described in Appendix C for continuous or periodic monitoring of corrosive. To determine the corrosion rate (Appendix C) --- by a resistance method. 4.2 to consider when selecting the best test methods for these methods of different characteristics, such as sensitivity, continuous or periodic evaluation of corrosion can be Possibilities for space. Test specimens exposed frame shown in Figure 1. ......

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