77.060 金属的腐蚀 标准查询与下载

ASTM G192-08(2020)e1 用动电位恒电位技术测定耐腐蚀合金缝隙再钝化电位的标准试验方法

1.1 This test method covers a procedure for conducting anodic polarization studies to determine the crevice repassivation potential for corrosion–resistant alloys. The concept of the repassivation potential is similar to that of the protection potential given in Reference Test Method G5. 1.2 The test method consists in applying successively potentiodynamic, galvanostatic, and potentiostatic treatments for the initial formation and afterward repassivation of crevice corrosion. 1.3 This test method is a complement to Test Method G61. 1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Test Method for Determining the Crevice Repassivation Potential of Corrosion-Resistant Alloys Using a Potentiodynamic-Galvanostatic-Potentiostatic Technique

ASTM G78-20 铁基和镍基不锈钢合金在海水和其他含氯化物水环境中的缝隙腐蚀试验标准指南

1.1 This guide covers information for conducting crevicecorrosion tests and identifies factors that may affect results and influence conclusions. 1.2 These procedures can be used to identify conditions most likely to result in crevice corrosion and provide a basis for assessing the relative resistance of various alloys to crevice corrosion under certain specified conditions. 1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific warning statement, see 7.1. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Guide for Crevice Corrosion Testing of Iron-Base and Nickel-Base Stainless Alloys in Seawater and Other Chloride-Containing Aqueous Environments

ASTM G48-11(2020)e1 不锈钢和相关合金使用三氯化铬溶液的点蚀和缝隙耐腐蚀性的标准测试方法

1.1 These test methods cover procedures for the determination of the resistance of stainless steels and related alloys to pitting and crevice corrosion (see Terminology G193) when exposed to oxidizing chloride environments. Six procedures are described and identified as Methods A, B, C, D, E, and F. 1.1.1 Method A—Ferric chloride pitting test. 1.1.2 Method B—Ferric chloride crevice test. 1.1.3 Method C—Critical pitting temperature test for nickelbase and chromium-bearing alloys. 1.1.4 Method D—Critical crevice temperature test for nickel-base and chromium-bearing alloys. 1.1.5 Method E—Critical pitting temperature test for stainless steels. 1.1.6 Method F—Critical crevice temperature test for stainless steels. 1.2 Method A is designed to determine the relative pitting resistance of stainless steels and nickel-base, chromiumbearing alloys, whereas Method B can be used for determining both the pitting and crevice corrosion resistance of these alloys. Methods C, D, E, and F allow for a ranking of alloys by minimum (critical) temperature to cause initiation of pitting corrosion and crevice corrosion, respectively, of stainless steels, nickel-base and chromium-bearing alloys in a standard ferric chloride solution. 1.3 These tests may be used to determine the effects of alloying additives, heat treatment, and surface finishes on pitting and crevice corrosion resistance. 1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Test Methods for Pitting and Crevice Corrosion Resistance of Stainless Steels and Related Alloys by Use of Ferric Chloride Solution

ASTM G199-09(2020)e1 电化学噪声测量标准指南

1.1 This guide covers the procedure for conducting online corrosion monitoring of metals by the use of the electrochemical noise technique. Within the limitations described, this technique can be used to detect localized corrosion activity and to estimate corrosion rate on a continuous basis without removal of the monitoring probes from the plant or experimental cell. 1.2 This guide presents briefly some generally accepted methods of analyses that are useful in the interpretation of corrosion test results. 1.3 This guide does not cover detailed calculations and methods; rather it covers a range of approaches that have found application in corrosion testing. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Guide for Electrochemical Noise Measurement

ASTM G50-20 进行金属大气腐蚀试验的标准做法

1.1 This practice covers and defines conditions for exposure of metals and alloys to the weather. It sets forth the general procedures that should be followed in any atmospheric test. It is presented as an aid in conducting atmospheric corrosion tests so that some of the pitfalls of such testing may be avoided. As such, it is concerned mainly with panel exposures to obtain data for comparison purposes. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Practice for Conducting Atmospheric Corrosion Tests on Metals

ASTM G33-99(2020) 金属涂层钢样品大气腐蚀试验记录数据的标准实践

1.1 This practice covers a procedure for recording data of atmospheric corrosion tests of metallic-coated steel specimens. Its objective is the assurance of (1) complete identification of materials before testing, (2) objective reporting of material appearance during visual inspections, and (3) adequate photographic, micrographic, and chemical laboratory examinations at specific stages of deterioration, and at the end of the tests. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Practice for Recording Data from Atmospheric Corrosion Tests of Metallic-Coated Steel Specimens

ASTM G101-04(2020) 低合金钢耐大气腐蚀性评估指标

1.1 This guide presents two methods for estimating the atmospheric corrosion resistance of low-alloy weathering steels, such as those described in Specifications A242/A242M, A588/A588M, A606/A606M Type 4, A709/A709M grades 50W, HPS 70W, and 100W, A852/A852M, and A871/A871M. One method gives an estimate of the long-term thickness loss of a steel at a specific site based on results of short-term tests. The other gives an estimate of relative corrosion resistance based on chemical composition. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels

SN EN ISO 7539-10:2020 金属和合金的腐蚀 应力腐蚀试验 第10部分：反向 U 型弯曲法（ISO 7539-10:2020）

Corrosion of metals and alloys - Stress corrosion testing - Part 10: Reverse U-bend method (ISO 7539-10:2020)

SN EN ISO 11844-2:2020 金属和合金的腐蚀 室内大气低腐蚀性分类 第2部分：室内大气腐蚀侵蚀的测定（ISO 11844-2:2020）

Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres - Part 2: Determination of corrosion attack in indoor atmospheres (ISO 11844-2:2020)

SN EN ISO 11844-1:2020 金属和合金的腐蚀 室内大气低腐蚀性分类 第1部分：室内腐蚀性的测定和估算（ISO 11844-1:2020）

Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres - Part 1: Determination and estimation of indoor corrosivity (ISO 11844-1:2020)

BS ISO 23449:2020 金属和合金的腐蚀 用于腐蚀测量的多电极阵列

What is ISO 23449 about?   ISO 23449 is a safety standard on metals and alloys.   ISO 23449 can be used as a powerful tool for studying the initiation and propagation processes of localized corrosion. ISO 23449 specifies the methodology of using multielectrode arrays for the measurement of the corrosion, especially localized corrosion, of metals and alloys. ISO 23449 can be used as a powerful tool for studying the initiation and propagation processes of localized corrosion. ISO 23449 is also a useful tool for long-term corrosion monitoring in the field, especially for localized corrosion, and for obtaining high throughput results for the evaluation of metals with different compositions and/or physical properties in different environments and the screening of a large number of inhibitors.    Additionally, the galvanic coupling current and potential distribution of dissimilar metal parings can be assessed by multielectrode arrays. Multielectrode arrays can be implemented in full-immersion, thin-film, spray, and alternating wet-dry cycle exposures.   NOTE: ISO 23449 is not intended to be used for measurements of corrosion caused by a...

Corrosion of metals and alloys. Multielectrode arrays for corrosion measurement

ISO 23449:2020 金属和合金的腐蚀.腐蚀测量用多电极阵列

Corrosion of metals and alloys — Multielectrode arrays for corrosion measurement

ASTM B808-10(2020) 石英晶体微量平衡监测大气腐蚀室的标准试验方法

1.1 This test method monitors the reactivity of a gaseous test environment in which metal surfaces (for example, electrical contacts, assembled printed wiring boards, and so forth) and other materials subject to pollutant gas attack undergo accelerated atmospheric corrosion testing. This test method is applicable to the growth of adherent corrosion films whose total corrosion film thickness ranges from a few atomic monolayers to approximately a micrometre. 1.2 The test method provides a dynamic, continuous, insitu, procedure for monitoring the corrosion rate in corrosion chambers; the uniformity of corrosion chambers; and the corrosion rate on different surfaces. Response time in the order of seconds is possible. 1.3 With the proper samples, the quartz crystal microbalance (QCM) test method can also be used to monitor the weight loss from a surface as a result of the desorption of surface species (that is, reduction of an oxide in a reducing atmosphere). (Alternative names for QCM are quartz crystal oscillator, piezoelectric crystal oscillator, or thin-film evaporation monitor.) 1.4 This test method is not sufficient to specify the corrosion process that may be occurring in a chamber, since a variety of pollutant gases and environments may cause similar weight gains. 1.5 This test method is generally not applicable to test environments in which solid or liquid particles are deposited on the surface of the quartz crystal. 1.6 The values stated in SI units are to be regarded as standard. The values in parentheses are for information only. 1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. 1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Test Method for Monitoring of Atmospheric Corrosion Chambers by Quartz Crystal Microbalances

ASTM B826-09(2020) 用电阻探测器监测大气腐蚀试验的标准试验方法

1.1 This test method provides a means for monitoring corrosivity of environmental tests that involve exposure to corrosive gases. 1.2 This test method uses a resistance monitor (RM) probe fabricated from a chosen metal conductor, with one conductor segment uncovered to permit exposure of the chosen metal conductor to the corrosive gas mixture and the second conductor segment covered to protect the metal conductor of this segment from direct attack by the corrosive gas mixture. The covered conductor segment provides a reference for evaluating changes in the uncovered segment. The ratio of the resistance of the exposed segment to that of the covered segment provides a measure of the amount of metal conductor that has reacted with the corrosive gas test environment to form poorly conducting corrosion product, thus providing a measure of test corrosivity. 1.3 Resistance monitoring is applicable to a broad range of test conditions by selection of the appropriate metal conductor and initial metal thickness. 1.4 This method is similar in intent to Test Methods B808. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Test Method for Monitoring Atmospheric Corrosion Tests by Electrical Resistance Probes

BS EN ISO 11463:2020 金属和合金的腐蚀 点蚀评估指南

What is ISO 11463 - Guidelines for the evaluation of pitting corrosion about?   ISO 11463 gives guidelines for the selection of procedures that can be used in the identification and examination of corrosion pits and in the evaluation of pitting corrosion and pit growth rate.   A visual examination of the corroded metal surface with or without the use of a low-power magnifying glass may be used to determine the extent of corrosion and the apparent location of pits.   Who is ISO 11463 - Guidelines for the evaluation of pitting corrosion for?    ISO 11463 on the guidelines for the evaluation of pitting corrosion is relevant to:   Corrosion engineers    Mechanical enginee...

Corrosion of metals and alloys. Guidelines for the evaluation of pitting corrosion

EN ISO 11463:2020 金属和合金的腐蚀.斑蚀评估

This document gives guidelines for the selection of procedures that can be used in the identification and examination of corrosion pits and in the evaluation of pitting corrosion and pit growth rate.

Corrosion of metals and alloys - Guidelines for the evaluation of pitting corrosion (ISO 11463:2020)

BS ISO 6509-2:2017 金属和合金的腐蚀 含锌铜合金抗脱锌性能的测定评定标准

1   Scope This document specifies assessment criteria and provides guidance related to the corrosion type dezincification for the selection of copper alloys with a mass fraction of zinc of more than 15 %, exposed to fresh, saline waters or drinking water. The assessment criteria are based on the exposure tests in ISO 6509‑1. The materials can be in the form of a semi-finished product or in the form of a final product (fittings, valves, etc.). This document is not applicable to complex products like flow-meters or pump-parts. In addition, other properties of the material might need to be taken into account for the intended application. This document is not intended to validate dezincification in case of failure in the application.

Corrosion of metals and alloys. Determination of dezincification resistance of copper alloys with zinc - Assessment criteria

BS ISO 22910:2020 金属和合金的腐蚀 增材制造钛合金电化学临界局部腐蚀温度（E-CLCT）的测量

What is ISO 22910- Electrochemical critical localised corrosion temperature (E-CLCT) measurement for Ti alloys about? ISO 22910 specifies procedures for testing the resistance to localized corrosion of Ti alloys fabricated via additive manufacturing (AM) method. ISO 22910 regulates the electrochemical critical localized corrosion temperature (E-CLCT) of the AM Ti materials for a comparative evaluation of resistance to localized corrosion. Who is ISO 22910- Electrochemical critical localised corrosion temperature (E-CLCT) measurement for Ti alloys for? ISO 22910 on the measurement of the electrochemical critical localized corrosion temperature (E-CLCT) is relevant to: Aerospace, automobile, marine, and biomedical fields industries Corrosion engineers Testing authorities Electrochemical engineers Manufacturers of alloys Why should you use ISO 22910- Electrochemical critical localised corrosion temperature (E-CLCT) measurement for Ti alloys ? Ti alloys such as Ti-6Al-4V are considered the most promising engineering materials. Ti alloys are conventionally produced by wrought or cast processes, which are subtractive manufacturing (SM) methods. The recent emergence of a new additive manufacturing (AM) method known as “3D printing” has gained worldwide attention to cut costs and improve efficiency for small quantity, batch productions. ISO 22910 specifies a procedure for evaluation of the resistance to localized corrosion on the AM alloys by measuring their E-CLCT, providing an efficient method for a qualitative evaluation or comparison of corrosion properties between AM materials or their heats with altered process variables. ISO 22910 describes the test method that demonstrates th...

Corrosion of metals and alloys. Measurement of the electrochemical critical localized corrosion temperature (E-CLCT) for Ti alloys fabricated via the additive manufacturing method

BS ISO 22858:2020 金属和合金的腐蚀 电化学测量 监测大气腐蚀的试验方法

What is ISO 22858 - Metal and alloy corrosion — Electrochemical tests about?   ISO 22858 specifies a test method for atmospheric corrosion measurements, using two-electrode electrochemical sensors.   ISO 22858 is applicable to measurements of the corrosion rate of uncoupled metal surfaces (i.e., “free” corrosion rate), galvanic corrosion rate, the conductance of thin-film solutions, and barrier properties of organic coatings.   ISO 22858 specifies electrochemical sensors that are used with or without organic coatings. The sensors are applicable to corrosion measurements made in laboratory test chambers, outdoor exposure sites, and service environments.   Who is ISO 22858 - Metal and alloy corrosion — Electrochemical tests for? 

Corrosion of metals and alloys. Electrochemical measurements. Test method for monitoring atmospheric corrosion

ISO 22858:2020 金属和合金腐蚀电化学测量大气腐蚀监测试验方法

This document specifies a test method for atmospheric corrosion measurements, using two-electrode electrochemical sensors. It is applicable to measurements of the corrosion rate of uncoupled metal surfaces (i.e. “free” corrosion rate), galvanic corrosion rate, conductance of thin film solutions and barrier properties of organic coatings. It specifies electrochemical sensors that are used with or without organic coatings. The sensors are applicable to corrosion measurements made in laboratory test chambers, outdoor exposure sites and service environments.

Corrosion of metals and alloys — Electrochemical measurements — Test method for monitoring atmospheric corrosion