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Engineering ToolBox > API - American Petroleum Institute

The American Petroleum Institute - API

The American Petroleum Institute - API - represents more than 400 members involved in the oil and natural gas industry.

Over 900 API standards serve as the basis for API quality programs covering production material and lubricants, and certification programs for storage tanks, pressure vessels, and piping inspectors. API publish recommended practices, research reports, and specifications on pipelines, valves, offshore structures, oil-spill response procedures, environmental protection, exploration, facility management and much more.

The API membership work is organized in

• the API upstream segment
• the API downstream segment
• the API marine segment
• the API pipeline segment

Popular Titles from API

Some popular titles from API are

• API Publication 4721
  Analytical Detection and Quantification Limits: Survey of State and Federal Approaches
• API 526
  Flanged Steel Pressure Relief Valves
• API 620
  Design and Construction of Large, Welded, Low-Pressure Storage Tanks
• API RP 1007
  Loading and Unloading of MC 306 / DOT 406 Cargo Tank Motor Vehicles
• ANSI/API 1104
  Welding of Pipelines and Related Facilities
• API 650
  Welded Steel Tanks for Oil Storage
• API 653
  Tank Inspection, Repair, Alteration, and Reconstruction
• API 5L
  Specification for Line Pipe
• API SPEC 6A
  Specification for Wellhead and Christmas Tree Equipment
• API 5CT
  Specification for Casing and Tubing (U.S. Customary Units)
• API RP 7G
  Recommended Practice for Drill Stem Design and Operation Limits