Engine

1 case · 1 image

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Macrography of a longitudinal section of the crankshaft showing the rod bearing in the center (the rod is 54mm diameter), as well as two main bearings in both lateral sides.  It is possible to see that the surface was heat treated and the hardened layer is about 3mm deep from the surface.
100
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - NItal Etched MacroDf - Longitudinal Section