Committee Scope

SC 20 develops and maintains standards on supply chain management for critical materials and processes used in oil and natural gas exploration and production.  These standards include:

  • castings, Spec 20A;
  • open die forgings, Spec 20B;
  • closed die forgings, Spec 20C;
  • non-destructive examination, Std 20D;
  • alloy and carbon steel bolting, Spec 20E;
  • corrosion-resistant bolting, Spec 20F;
  • welding services, Std 20G;
  • heat treating services, Std 20H;
  • distributors, Std 20J;
  • non-metallic seals, Std 20L;
  • machining services, Std 20M;
  • continuous furnace heat treating services, Std 20N;
  • plating and coating, Std 20P;
  • subsurface electronics, Std 20R;
  • additive manufacturing - metallic, Std 20S;
  • additive manufacturing - polymeric, Std 20T.

To check on the status of a document that is currently in the process of being drafted or revised, please visit the API Standards Plan.   When published, you can find further details and scopes of the Series 20 standards in the Exploration and Production section of the API Publications catalog. Please contact Katie Burkle ( for any additional questions.

API 20H.pdfAPI
API 20J.pdfAPI
API 20M.pdfAPI
SC20 Overview.pdfSC20
API 20D.pdfAPI
 Reference Documents
 Forms (SR3 & Attendance Sheets)
 SC20 Meeting Minutes (Login Required)

 Open Ballots

 Ballot IDStatusResultsOpensClosesDescription
Committee ID : 14031987SC20/V20B: Spec 20B Task Group, Open-die Forgings
4570ClosedResolution Required08/27/201809/26/2018API 20B, 2nd Edition
Committee ID : 15192108SC20/V20E: Spec 20E/20F Task Group, Bolting
5447ClosedIn Progress03/22/202104/21/2021API 20E, 3rd Edition - COMMENT ONLY
5618ClosedIn Progress10/01/202110/28/2021API 20F, 2nd Edition, Addendum 1
Committee ID : 17082412SC20/V20J: Std 20J Task Group, Distributors
5631ClosedIn Progress10/12/202111/16/2021API 20J, 2nd Edition
Committee ID : 23282843SC20/V20S: Std 20S, Additive Manufacturing
5386ClosedIn Progress02/10/202103/24/2021API 20S, 1st Edition
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