BS ISO BRITISHSTANDARD 11408:1999 Chemical conversion coatings D Black oxide coating on iron and steel D Specification and test methods ICS 25.220.20 NOCOPYINGWITHOUT BSIPERMISSION EXCEPT ASPERMITTED BY COPYRIGHT LAW BS ISO 11408:1999 National foreword This British Standard reproduces verbatim IS0 11408:1999 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee STI/38, Chemical conversioncoatings, which has theresponsibilityto: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in theUK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled aInternational Standards Correspondence Index°, or by using the aFind facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users ofBritish Standards areresponsiblefortheir correctapplication. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the IsO title page, page ii and ii, a blank page, pages 1 to 7 and a back cover. The BSIcopyright notice displayed in this document indicates when the document was last issued. This British Standard, having Amendmentsissuedsincepublication beenpreparedunderthe direction of the Sector Amd. No. Date Comments Committee for Materials and Chemicals, was published under theauthorityofthe Standards Committee and comes into effect on 15 November 1999 @BSI 11-1999 ISBN 0580 32995 X ISO INTERNATIONAL STANDARD 11408 First edition 1999-08-01 Chemical conversion coatingsBlack oxide coating on iron and steel - Specification and test methods Couches de conversion chimique-Finition noire de la fonte et de Iacier- Spécifications et methodes d'essai A Reference number ISO 11408:1999(E)