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 treatmentThe API 5000 System - 2005 The API 5000 system is launched and is the most sensitive triple quadrupole ever made. It includes innovative QJet technology, the first RF quadrupole used