api 5000The API 5000 LCMSMS System is is one of the most sensitive triple quadrupole mass for complex bioanalytical samples. Desned to deliver the lowest limits of detection for the most demanding DMPK and ADME studies, the 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 treatment