Corrosion resistant sintered body, sensor ring using same, and engagement part using same

摘要

A corrosion resistant sintered body having excellent ductility is provided by sintering, at a temperature of not less than about 1050°C to less than about 1300°C, powders which are composed by adding a metal compound of B to and mixing with powders of ferrite stainless steel containing: C ≤ 0.1 wt%, Si ≤ 3.0 wt%, Mn ≤ 0.30 wt%, Ni ≤ 2.0 wt%, 11 wt% ≤ Cr ≤ 22 wt%, Mo ≤ 3.0 wt%, the rest being substantially Fe. The amount of B in the mixed powders is between more than about 0.03 wt% and less than about 0.2 wt% based on the weight of the powder.