مشخصات تجهیزات سرچاهی API 6A

 SPECIFICATION FOR WELLHEAD AND TREE EQUIPMENT-مشخصات تجهیزات سرچاهی API 6A

Contents
Scope
Normative References
Terms, Definitions, Abbreviated Terms, and Symbols
Terms and Definitions
Abbreviated Terms
Symbols
Application and Performance
Applicability
Performance Requirements—General
Service Conditions
Pressure Ratings
Temperature Ratings
Material Classes
Product Specification Level
Design
Design Methods
End and Outlet Connectors
Hangers, Back-pressure Valves, Lock Screws, and Stems
Bodies, Bonnets, and Other End Connectors
Other Parts
Equipment-specific Requirements
Design Tolerances
Design Documentation
Design Review and Verification
Design Validation
Materials
General
Written Specifications
Applicability
Metallic Requirements
Nonmetallic Requirements
Bodies, Bonnets, and End and Outlet Connectors
Materials
Material Qualification Testing
Processing
Heat-treating
Chemical Composition
Qualification Test Coupons
General
Equivalent Round
Processing
Material Qualification
Production Heat-treating Equipment
General
Instrument Accuracy
Instrument Calibration
Production Type Equipment—Batch-type Furnaces
Production Type Equipment–Continuous-type Furnaces
Welding
General
Nonpressure-containing Welds Other Than Weld Overlays
Welding Procedure/Performance
Application
Pressure-containing Fabrication Welds
General
Joint Design
Materials
Welding Procedure Qualifications
Welder Performance Qualification
Welding Requirements
Post-weld Heat-treatment
Welding Controls
Pressure-containing Repair Welds
General
Welding Procedure Qualifications
Weld Repair of Castings
Bolt Hole, Tapped Hole, and Machined Blind Hole Repair
Weld Overlay
Corrosion-resistant Overlay (Including Ring Grooves)
Weld Overlay for Other Than Corrosion Resistance
Repair of Weld Overlays
Bolting
Closure Bolting
Tensile Stress
Quality
Studded Outlet Connection
Closure Bolting Records
Closure Bolting Marking
Impact Test Marking
Closure Bolting for Flanged and Studded End and Outlet Connectors
General
Design