Corrosion testing British Standards

Table 4.12 Soil-corrosion tests on copper by National Bureau of Standards and British Non-ferrous Metals Research Association...

British Standard Method for Determination of Resistance to Intergranular Corrosion of A ustenltic Stainless Steels Copper sulphate-Sulphuric acid Method (Moneypenny Strauss Test) BS 5903 (1980)... 

The results of these experiments have been considered by the Joint Committee for the Co-ordination of the Cathodic Protection of Buried Structures and, in view of the various types of buried structures concerned and the circumstances in which field tests are conducted, the Committee decided not to amend its provisional recommendation that when cathodic protection is applied to a buried structure the maximum permissible potential change in the positive direction on a nearby pipe or cable should be 20 mV. If there is a history of corrosion on the unprotected installation no detectable positive change in structure/soil potential should be permitted. These criteria of interaction have been adopted in the British Standard Code of Practice for Cathodic Protection . 

The effects of corrosion on other properties need similar direct assessment in many cases. However, in the absence of accepted standard tests the BS, DIN, ISO tests for laboratory glassware are often used. At the present time, the British Standard BS 3473 Methods of testing and classification of the chemical resistance of glass used in the production of laboratory glassware is being re-issued in six parts, of which the first five parts are identical to recently revised ISO test procedures. There are also corresponding DIN tests in some cases which are very similar. The current situation is ... 

BS 6425-2 Test On Gases Evolved During The Combustion Of Materials From Cables—Determination Of Degree Of Acidity (Corrosivity) Of Gases By Measuring Ph And Conductivity, BSI British Standards Institution, London, U.K., 1993. 

BS (British Standards) BS 5500 Unfired Fusion Welded Pressure Vessels, BS 5903 Corrosion Testing of Austenitic Stainless Steel. 

Abbott studied the corrosion of contacts, and proposed quality tests in dilute mixtures of hydrogen sulphide, nitrogen dioxide and chlorine in air at controlled temperature and humidity . These gave good results in a project seeking improved procedures for British and lEC standards . 

Table of Equivalents. In Table 7-31, European grades have been selected to give equal or greater strength than ASTM, and to show equivalent corrosion ressistance. The British steels are impact-tested carbon steel (to -58°F) and 3-1/2% nickel steel, both virtually identical with similar ASTM grades. German materials are impact tested carbon steel and 5% nickel alloy, and are standardized in Vereine Deutsche Eisenhuttenleute Stahl-Eisen Werkstoffblatt 680. In practice, 3-1/2% nickel steel is equally available in Germany — or equally unavailable. Nickel alloy is difficult to procure anywhere in Western Europe. For short delivery it is often necessary to substitute austenitic chromium nickel steel.

Numerous test methods have been standardized. Examples of extensive collections are the NACE (National Association of Corrosion Engineers) standards and the ASTM (American Society for Testing and Materials) standards. Some of these are mentioned in Chapter 7 in connection with crevice, pitting, intergranular and stress corrosion. Further reference is made to Shreir et al. [9.2] and Heitz et al. [9.3] who present surveys of various standards (British, American, German, ISO), as well as to... 

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