NACE MR0175/ISO 15156 CIR 4 TO PT 3

Abstract

<strong>Foreword</strong> <br>The establishment of the ISO 15156 Maintenance Agency was confirmed by the ISO Technical Management Board in June 2007. A copy of the TMB Vote-Form Number: 34/2007 giving the rules of procedure for the maintenance agency can be obtained from the ISO TMB Secretariat. It is also available from the ISO 15156 website at <a href="http://www.iso.org/iso15156maintenance">www.iso.org/iso15156maintenance</a>. <br>ANSI/NACE MR0175/ISO 15156 series has, since publication, been amended by a number of Technical Corrigenda and Technical Circulars and consists of the following parts, under the general title Petroleum and natural gas industries &#226;&#8364;&#8221; Materials for use in H2S-containing environments in oil and gas production: <br>- Part 1: General principles for selection of cracking-resistant materials (2009) <br>Technical Circular 1, ANSI/NACE MR0175/ISO 15156-1:2009/Cir.1:2014(E) (2014-01-27) <br>- Part 2: Cracking-resistant carbon and low alloy steels, and the use of cast irons (2009) <br>Technical Circular 1, ANSI/NACE MR0175/ ISO15156-2:2009/Cir.1:2011(E) (2011-06-14) <br>Technical Circular 2, ANSI/NACE MR0175/ISO 15156-2:2009/Cir.2:2014(E) (2014-01-27) <br>- Part 3: Cracking-resistant CRAs (corrosion-resistant alloys) and other alloys (2009) <br>Technical Circular 1, ANSI/NACE MR0175/ISO 15156-3:2009/Cir.1:2011(E) (2011-06-20) <br>Technical Circular 2, ANSI/NACE MR0175/ISO 15156-3:2009/Cir.2:2013(E) (2013-08-27) <br>Technical Circular 3, ANSI/NACE MR0175/ISO 15156-3:2009/Cir.3:2014(E) (2014-01-27) <br>Technical Circular 4, ANSI/NACE MR0175/ISO 15156-3:2009/Cir.4:2014(E) (2014-04-02) <br>As applicable, subsequent publications resulting in new editions of an individual part of ANSI/NACE MR0175/ISO 15156, effectively replace the corresponding set of documents shown above. Information on the latest status of these documents can be obtained from <a href="http://www.iso.org/iso15156maintenance">www.iso.org/iso15156maintenance</a>. <br>Changes to ANSI/NACE MR0175/ISO 15156-3:2009 and, where appropriate, to Technical Circular 3, ANSI/NACE MR0175/ISO 15156-3:2009/Cir.3:2014(E) (2014-01-27) shown above, introduced by this Technical Circular 4, ANSI/NACE MR0175/ISO 15156-3:2009/Cir.4:2014(E), are shown in the document below in blue.