SpecificationforWellhead andTreeEquipment APISPECIFICATION6A TWENTY-FIRSTEDITION NOVEMBER2018 APIMONOGRAMPROGRAMEFFECTIVEDATE:NOVEMBER2019 ERRATA2 JUNE2020 ERRATA1 APRIL2019 ADDENDUM1 JULY2020 P American Petroleum Institute to | Date: Tue Aag 25 14:28:07 2020 |IP address: 142.150.190.39
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Foreword for themanufacturealerse fanymethodparatusrproductoveredbyletterspatent.ether should anything contained in the publication be construed as insuring anyone against liability for infringement of letters paitent. The verbal forms used to express the provisions in this specification are as follows: - the term *shall' denotes a minimum requirement in order to conform to the standard; conform to the standard; the term “should" denotes a remendation or that which is advised but not required in order to - the term *may* is used to express permission or a provision that is optional;: -- the term *can* is used to express possibility or capability. participation in the developmental process and is designated as an API standard.Questions conceming the This document was produced under API standardization procedures that ensure appropriate notification and which this publicationwas developed should be directed in writing to the Directorof Standards American Petroleum Institute 200 Massachusetts Avenue NW Suite 1100 Washington DC20001.Requests for addressed to the director. on the program date printed on the cover but may be used voluntarily from the date of publication. For API Monogram Program licensees and APIQR Program registrants this standard shall bee effective Generally PI standardsarereviewed and revised reaffimed rwithdrawn at least every 5years.A one-time is published annually by APl 200 Massachusetts Avenue NW Suite 1100 Washington DC 20001. from the API Standards Department telephone (202) 682-8000.A catalog of API publications and materials Massachusetts Avenue NW Suite 1100 Washington DC 20001 standards@. Accsed by acon: Usiversity of Toroeto I Date: Tue Aag 25 14:28:07 200 IP addres: 142.150.190.39
Contents 1 Scope.. 1 2 Normative References .1 3 Terms Definitions Abbreviated Terms and Symbols. 4 3.1 Terms and Definitions... -4 3.2 Abbreviated Terms.... 15 3.3 Symbol.s. 16 4 Application and Performance. 17 4.1 Applicability 17 4.2 Performance Requirements-General.... 22 4.3 Service Conditions. 22 4.3.1 Pressure Ratings.... 22 4.3.2 TemperatureRatings 23 4.3.3 Material Classes.. 23 4.3.4 Product Specification Level... 25 5 Design... 26 5.1 Design Methods. 26 5.1.1 End and Outlet Connectors. 26 5.1.2 Hangers Back-pressure Valves Lock Screws and Stems. 27 5.1.3 Bodies Bonnets and Other End Connectors. 27 5.1.4 Other Parts. 28 5.1.5 Equipment-specific Requirements. 28 5.2 DesignTolerances 28 5.3 Design Documentation. 28 5.4 DesignReview and Verification... 28 5.5 Design Validation.. 28 6 Materials 28 6.1 General. 28 6.2 Written Specifications... 29 6.2.1 Applicability 29 6.2.2 Metallic Requirements. 29 6.2.3 Nonmetallic Requirements. 29 6.3 Bodies Bonnets and End and Outlet Connectors.. 30 6.3.1 Materials. 30 6.3.2 Material Qualification Testing 31 6.3.3 Processing. 33 6.3.4 Heat-treating. 33 6.3.5 Chemical Composition. 34 6.4 Qualification Test Coupons.. 35 6.4.1 General 35 6.4.2 Equivalent Round. 36 6.4.3 Processing 6.4.4 Material Qualification... 39 6.5 Production Heat-treating Equipment . 40 6.5.1 General. 40 6.5.2 Instrument Accuracy.. 40 6.5.3 Instrument Calibration.... 40 6.5.4 ProductionType Equipment-Batch-type Furnaces. 40 6.5.5 41 7 Welding. 41 7.1 General. 41 sn: Ueiversity of Toroeto | Date: Tae Aag 25 14:28:07 2020 | IP address: 142.150.190.39
7.2 Nonpressure-containing Welds Other Than Weld Overlays. 41 7.2.1 Welding Procedure/Performance 41 7.2.2 Applicaion.. 42 7.3 Pressure-containing Fabrication Welds 42 7.3.1 Gener.. 42 7.3.2 Joint Design.. 42 7.3.3 Materials. 42 7.3.4 Welding Procedure Qualifications. 42 7.3.5 WelderPerformance Qualification.. 44 7.3.6 Welding Requirements. 44 7.3.7 Post-weld Heat-treatment.... 45 7.3.8 Welding Controls. 45 7.4 Pressure-containing Repair Welds. 46 7.4.1 General. 46 7.4.2 Welding Procedure Qualifications.. 46 7.4.3 Weld Repair of Castings... 46 7.4.4 Bolt Hole Tapped Hole and Machined Blind Hole Repair. 46 7.5 WeldOverlay.. 47 7.5.1 Corrosion-resistant Overlay (Including Ring Grooves) 47 7.5.2 Weld Overlay for Other Than Corrosion Resistance.. 49 7.5.3 Repair of Weld Overlays..... 49 8 Bolting.. 50 8.1 Closure Boling.. 50 8.1.1 Tensile Stress... 50 8.1.2 Quality 50 8.1.3 Studded Outlet Connection... 50 8.1.4 Closure Bolting Records. 50 8.1.5 Closure Bolting Marking. 51 8.1.6 Impact Test Marking. 51 8.2 Closure Bolting for Flanged and Studded End and Outlet Connectors 51 8.2.1 General. 51 8.2.2 Design.. 51 8.2.3 Materials. 51 Other Closure Bolting.. 54 8.3.1 General. 54 8.3.2 Design.... 54 8.3.3 Materials. 54 8.3.4 Quality. 55 9 Packing MechanismsPressure BoundaryPenetrationsandPorts 55 9.1 Packing Mechanisms... 55 9.1.1 Performance Requirements 55 9.1.2 Design... 55 9.2 Fittings andPressure Boundary Penetrations 55 9.2.1 General. 55 9.2.2 Performance Requirements. 55 9.2.3 Design.... 55 9.2.4 Materials. 56 9.2.5 Marking... 56 9.2.6 Storing and Shipping. 56 9.2.7 Testing. 56 9.2.8 Quality Requirements. 56 9.3 Test Gauge Ventand Injection Connector Ports 56 9.3.1 Sealing. 56 9.3.2 Vent and Injection Connector Ports 56 9.3.3 Test and Gauge Connector Ports ..56 Accessed by account: University of Toroeto | Date: Tae Aug 25 14:28:07 2020 I IP addres: 142.150.190.39
API 6A 2020 井口和树设备规范（英文版）.pdf
