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API Monogram & APIQR: Latest Updates

Addenda, Errata & API Notifications

API provides courtesy Addenda and Errata documents for the API specifications that are part of the Monogram Program. You will also find copies here of notifications concerning program and specification updates.

Licensed and applicant organizations are required to maintain at least one copy of the most current edition of the English language version of the API Product Specification(s) under which it is licensed or seeking licensure. To purchase, visit the API Publications Store.

API Monogram & APIQR Program - General Updates

API Notifications

API 2B - Specification for the Fabrication of Structural Steel Pipe

Addenda & Errata
  • Spec 2B, 6th ed., Addendum 1, March 2021

  • API Notifications

    API 2C - Offshore Pedestal-Mounted Cranes

    API 2W -Steel Plates Produced by Thermo-Mechanically Controlled Processing for Offshore Structures

    API 5ST - Coiled Tubing

    API 7F - Oil Field Chain and Sprockets

    API 10D - Specification for Bow-string Casing Centralizers

    Addenda & Errata

    API Notifications

    API 12B - Bolted Tanks for Storage of Production Liquids

    API 12D - Specification for Field-welded Tanks for Storage of Production Liquids

    API 12F -Shop-welded Tanks for Storage of Production Liquids

    API 12L Specification for Vertical and Horizontal Emulsion Treaters

    API 12K Specification for Indirect Type Oilfield Heaters

    API 12P - Fiberglass Reinforced Plastic Tanks

    API 14L -Lock Mandrels and Landing Nipples

    API 15LE - Specification for Polyethylene Line Pipe (PE)

    Addenda & Errata

    API Notifications

    API 15LR - Specification for Low Pressure Fiberglass Line Pipe

    API 16D - Control Systems for Drilling Well Control Equipment and Control Systems for Diverter Equipment

    API 17K -Specification for Bonded Flexible Pipe

    API 17L1 - Specification for Ancillary Equipment for Flexible Pipes and Subsea Umbilicals

    API 547 - General Purpose Form-wound Squirrel Cage Induction Motors—185 kW (250 hp) through 2240 kW (3000 hp)

    API 602 - Gate, Globe, and Check Valves for Sizes DN 100 (NPS 4) and Smaller…

    API 603 - Corrosion-Resistant, Bolted Bonnet Gate Valves-Flanged and…

    API 608 -Metal Ball Valves-Flanged, Threaded, and Welding Ends

      Addenda & Errata

    API Notifications

    API 609 - Butterfly Valves: Double-flanged, Lug-and Wafer-type

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