GB/T 24513.3-2012 English PDF

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GB/T 24513.3-2012: Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 3: Measurement of environmental parameters affecting indoor corrosivity
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24513.3-2012	234	Add to Cart	3 days	Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 3: Measurement of environmental parameters affecting indoor corrosivity	Valid

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Basic data

Standard ID: GB/T 24513.3-2012 (GB/T24513.3-2012)
Description (Translated English): Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 3: Measurement of environmental parameters affecting indoor corrosivity
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H25
Classification of International Standard: 77.060
Word Count Estimation: 12,174
Quoted Standard: GB/T 19292.3-2003; GB/T 24513.1-2009; ISO 7708-1995; EN 12341-1998
Adopted Standard: ISO 11844-3-2006, IDT
Regulation (derived from): National Standards Bulletin No. 13 of 2012
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 method for measuring environmental parameters, the use of these parameters on the role of the metal and alloys indoor atmospheric corrosion classification.

GB/T 24513.3-2012: Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 3: Measurement of environmental parameters affecting indoor corrosivity

---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.
ICS77.060 H25 National Standards of People's Republic of China GB/T 24513.3-2012/ISO 11844-3.2006 Corrosion of metals and alloys Classification of low corrosivity of indoor air Part 3. Effect of Atmospheric corrosive environments Parameter Determination atmospheres-Part 3. Measurementofenvironmentalparametersaffecting (ISO 11844-3.2006, IDT) Issued on. 2013-03-01 2012-06-29 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 24513 "Atmospheric corrosion of metals and alloys - Classification of low corrosivity" 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 is Part 3 GB/T 24513 in. Rules in this section in accordance with GB/T 1.1-2009 given draft. This section uses the translation method equivalent to international standards ISO 11844-3.2006 "Corrosion of metals and alloys indoor atmospheric low corrosivity Classification - Part 3. Impact of indoor environmental parameters measured atmospheric corrosion. " This part is proposed by the China Iron and Steel Association. This part of the National Steel Standardization Technical Committee (SAC/TC183) centralized. 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. Wang Zhenyao, Han Wei, Feng Chao, Hou Jie, Wang Binbin Liu gem. GB/T 24513.3-2012/ISO 11844-3.2006 Corrosion of metals and alloys Classification of low corrosivity of indoor air Part 3. Effect of Atmospheric corrosive environments Parameter Determination

1 Scope

This section GB/T 24513 specifies the method for determination of environmental parameters, the use of these parameters on the effects on metals and alloys indoor large Corrosive gas classification.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 19292.3-2003 measurements of metals and alloys - Corrosivity of atmospheres pollutants (ISO 9225.1992, IDT) Indoor atmospheric corrosion GB/T 24513.1-2009 metals and alloys - Classification of low corrosivity Part 1. Indoor atmospheric corrosion Measurement and Evaluation (ISO 11844-1.2006, IDT) ISO 7708.1995 sample size fraction definitions for health-related air quality (Airquality-Particlesize fractiondefinitionsforhealth-relatedsampling) EN12341.1998 air quality coefficient of suspended particles PM10 standard method of determination and verification of the equivalence of measurement standards The field test program (Airquality-DeterminationofthePM10fractionofsuspendedparticulatematter- Referencemethodandfieldtestproceduretodemonstratereferenceequivalenceofmeasurement methods) Principle 3 Different combinations of environmental parameters affecting indoor atmospheric corrosion. Before testing methods to determine the need for possible environmental effects of the source Head of information. To characterize indoor atmospheric corrosion using environmental parameters than with the metal sample to measure corrosion are much more complex, but In many cases, the measured environmental parameters to determine the corrosive environment for a good indication, and combined with GB/T 24513.1- 2009 provides information for determining the material under corrosive environment selected categories have sound indication.

4 Environmental Parameters

Compared with the characterization of atmospheric corrosion outdoors, often more complex to use a combination of environmental parameters characterizing indoor atmospheric corrosion. Typically Two sets of parameters to be measured. --- Humidity and temperature; --- Air pollutants, such as gases and particles. Temperature and humidity fluctuations, especially in the high humidity, it may lead to condensation on cold surfaces. For occur indoors Corrosion, the frequency and time of condensation is a very important factor. GB/T 24513.3-2012/ISO 11844-3.2006 ......

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