api 50005000# API Socket Weld Flange is made up of A105 carbon steel and has a minimum yield strength of 45000. API 10000 Flange is manufactured from hh steel alloy after heat treatmentAPI Flange Wehts and Dimensions. Search. Skip To Content [email protected] 1-800-256-1292 Request a Quote MTR Login. 1-800-256-1292 [email protected] Search RFQ. ... 5,000 PSI - Type 6B API 6A - Table E.3 . Nominal size of