1、Specification for Corrosion-resistant Alloy Seamless Tubes for Use as Casing,Tubing,and Coupling StockANSI/API SPECIFICATION 5CRAFIRST EDITION,FEBRUARY 2010EFFECTIVE DATE:AUGUST 1,2010ERRATA,AUGUST 2011REAFFIRMED,JANUARY 2021ISO 13680:2010(Identical),Petroleum and natural gas industriesCorrosion-res
2、istant alloy seamless tubes for use as casing,tubing,and coupling stockTechnical delivery conditionsSpecial NotesAPI publications necessarily address problems of a general nature.With respect to particular circumstances,local,state,and federal laws and regulations should be reviewed.Neither API nor
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15、m requirement in order to conform to the specification.Should:As used in a standard,“should”denotes a recommendation or that which is advised but not required in orderto conform to the specification.Generally,API standards are reviewed and revised,reaffirmed,or withdrawn at least every five years.A
16、one-time extension of up to two years may be added to this review cycle.Status of the publication can be ascertained from the API Standards Department,telephone(202)682-8000.A catalog of API publications and materials is published annually by API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Suggested revisions are invited and should be submitted to the Standards Department,API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001,standardsapi.org.iiiiii Contents PageAPI Forewo
