January 1 2000 NACE INTERNATIONAL MR0175 Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment NACE Standard MR0175 2000 Item No 21302 Standard Material Requirements Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment This NACE International standard represents a consensus of those individual members who have reviewed this document its scope and provisions Its acceptance does not in any respect preclude anyone whether he has adopted the standard or not from manufacturing marketing purchasing or using products processes or procedures not in conformance with this standard Nothing contained in this NACE International standard is to be construed as granting any right by implication or otherwise to manufacture sell or use in connection with any method apparatus or product covered by Letters Patent or as indemnifying or protecting anyone against liability for infringement of Letters Patent This standard represents minimum requirements and should in no way be interpreted as a restriction on the use of better procedures or materials Neither is this standard intended to apply in all cases relating to the subject Unpredictable circumstances may negate the usefulness of this standard in specific instances NACE International assumes no responsibility for the interpretation or use of this standard by other parties and accepts responsibility for only those official NACE International interpretations issued by NACE International in accordance with its governing procedures and policies which preclude the issuance of interpretations by individual volunteers Users of this NACE International standard are responsible for reviewing appropriate health safety environmental and regulatory documents and for determining their applicability in relation to this standard prior to its use This NACE International standard may not necessarily address all potential health and safety problems or environmental hazards associated with the use of materials equipment and or operations detailed or referred to within this standard Users of this NACE International standard are also responsible for establishing appropriate health safety and environmental protection practices in consultation with appropriate regulatory authorities if necessary to achieve compliance with any existing applicable regulatory requirements prior to the use of this standard MR0175 Copyright by NACE INTERNATIONAL Thu Mar 30 17 00 47 2000 CAUTIONARY NOTICE NACE International standards are subject to periodic review and may be revised or withdrawn at any time without prior notice NACE International requires that action be taken to reaffirm revise or withdraw this standard no later than five years from the date of initial publication The user is cautioned to obtain the latest edition Purchasers of NACE International standards may receive current information on all standards and other NACE International publications by contacting the NACE International Membership Services Department P O Box 218340 Houston Texas 77218 8340 telephone 1 281 228 6200 Revised 2000 01 01 Approved March 1975 NACE International P O Box 218340 Houston Texas 77218 8340 1 281 228 6200 ISBN 1 57590 021 1 2000 NACE International MR0175 99 was an American National Standard ANSI Approval of the 2000 edition of MR0175 is expected by April 2000 Foreword This NACE standard material requirements is one step in a series of committee studies reports symposia and standards that have been sponsored by Group Committee T 1 Corrosion Control in Petroleum Production relating to the general problem of sulfide stress cracking SSC of metals Much of this work has been directed toward the oil and gas production industry Many of the guidelines and specific requirements in this standard are based on field experience with the materials listed as used in specific components and may be applicable to other components and equipment in the oil production industry or to other industries Users of this standard must be cautious in extrapolating the content of this standard for use beyond its scope The materials heat treatments and metal property requirements given in this standard represent the best judgment of Task Group T 1F 1 and its sponsoring unit committee T 1F on Metallurgy of Oilfield Equipment This NACE standard updates and supersedes all previous editions of MR0175 The original 1975 edition of the standard superseded NACE Publication 1F166 1973 Revision titled Sulfide Cracking Resistant Metallic Materials for Valves for Production and Pipeline Service and NACE Publication 1B163 titled Recommendation of Materials for Sour Service which included Tentative Specifications 150 on valves 51 on severe weight loss 60 on tubular goods and 50 on nominal weight loss MR0175 Copyright by NACE INTERNATIONAL Thu Mar 30 17 00 48 2000 This standard will be revised as necessary to reflect changes in technology See Paragraph 1 6 Whenever possible the recommended materials are defined by reference to