SIST EN ISO 7384:1999 PDF

Name: SIST EN ISO 7384:1999 — Corrosion test in artificial atmosphere - General requirements (ISO 7384:1986)
SKU: SIST EN ISO 7384:1999
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Corrosion test in artificial atmosphere - General requirements (ISO 7384:1986)

Название (английский):

SIST EN ISO 7384:1999

Corrosion test in artificial atmosphere - General requirements (ISO 7384:1986)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 7
Дата публикации:: 1 октября 1999 г.
ICS:: 77.060
Технический комитет:: IPKZ - Protection of metals against corrosion

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Описание (английский):

Specifies specimens, apparatus and procedure of corrosion tests. Applies to metals and alloys with and without permanent corrosion protection or temporary corrosion protection. The requirements specified in ISO 7384 are intended for application in other International Standards dealing with corrosion tests in artificial atmospheres as well as in accelerated methods of test and the construction of new chambers.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

SIST EN ISO 7384:1999, titled "Corrosion test in artificial atmosphere - General requirements," is an international standard developed by CEN and ISO to specify the general requirements for conducting corrosion tests in controlled artificial atmospheres. This standard applies to metals and alloys, with or without permanent or temporary corrosion protection, ensuring consistent and reliable evaluation of corrosion behavior under accelerated laboratory conditions. It outlines specifications for test specimens, apparatus, and procedures, promoting standardized practices in corrosion testing and the development of testing chambers.

Key Topics

Test Specimens Requirements include uniform shape, dimensions, and surface roughness. Specimens generally range from 0.5 to 3 mm in thickness and should be free from defects such as scratches or porosity. The standard emphasizes protection of cut edges during testing unless specifically examining their corrosion behavior.

Corrosion Testing Chambers and Apparatus Tests are conducted in specialized chambers designed to maintain uniform and reproducible conditions, including temperature, relative humidity, and corrosive atmosphere concentration. The use of inert materials in chamber construction and specimen holders prevents contamination or galvanic effects. Temperature accuracy is ±2 °C and relative humidity ±5%, with a controlled humidification system using distilled or deionized water.

Test Procedures and Conditions The standard mandates precise control of corrosion accelerating factors-temperature, humidity, and corrosive agents such as sulfur dioxide or chlorides-to simulate service environments at accelerated rates. The duration of tests, frequency of specimen examination, and placement in the chamber are all standardized to ensure reliable and comparable results.

Classification of Tests

Enhanced environment tests for long-term corrosion prediction
Short-term corrosion tests for accelerated corrosion resistance evaluation
Rapid quality control tests for detecting defects quickly

Evaluation and Reporting Corrosion assessment includes changes in specimen appearance, time to first corrosion site, distribution of corrosion defects, mass loss, dimensional changes, and changes in mechanical or optical properties. Test reports must document all relevant test parameters, specimen details, exposure periods, and evaluation methods.

Applications

Corrosion Resistance Testing SIST EN ISO 7384:1999 is widely used in evaluating the corrosion resistance of metals, alloys, and coatings, facilitating product quality control and compliance with performance criteria.

Development of Coatings and Protective Treatments This standard is essential for assessing the effectiveness of permanent and temporary corrosion protection methods, including electroplated coatings, galvanization, and organic coatings.

Quality Assurance in Material Manufacturing Manufacturers employ this standard to ensure the durability of materials intended for use in corrosive environments such as marine, industrial, and atmospheric conditions.

Design of Corrosion Testing Equipment The detailed apparatus and environmental condition requirements guide the construction and calibration of new test chambers for accelerated corrosion testing.

Related Standards

ISO 8407 – Procedures for removing corrosion products from specimens

ISO 1456, ISO 1458 – Electroplated nickel and chromium coatings

ISO 1461 – Hot dip galvanizing of fabricated ferrous products

ISO 2081, ISO 2082 – Electroplated coatings of zinc and cadmium on steel

ISO 3768, ISO 3769, ISO 3770 – Salt spray testing methods (NSS, ASS, CASS tests)

ISO 4536 – Saline droplets corrosion test

ISO 4623 – Corrosion testing of paints and varnishes

These complementary standards work alongside SIST EN ISO 7384:1999 to provide comprehensive guidelines on corrosion testing and coating evaluation.

Keywords: corrosion test, artificial atmosphere, corrosion protection, accelerated corrosion testing, metallic coatings, corrosion resistance, testing chambers, ISO 7384, corrosion evaluation, standardized corrosion tests

SIST EN ISO 7384:1999 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

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