Medium Carbon Steel

1 case · 7 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

The shaft presented a light wear at the end of the life. See the schematic drawing in the next figure
598
ML00064 / Apr.2017
SAE 1045 Steel Shaft
M - Medium Carbon SteelP - ShaftAp - Mechanical IndustryCd - Removed From Service
Cm - Aspect Before AnalysisDf - At the Surface

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ML00064 — SAE 1045 Steel ShaftM - Medium Carbon SteelP - ShaftAp - Mechanical IndustryCd - Removed From Service
Schematic drawing presenting the Shaft
169
ML00064 / Apr.2017
SAE 1045 Steel Shaft
M - Medium Carbon SteelP - ShaftAp - Mechanical IndustryCd - Removed From Service
Cm - Identification drawingDf - At the Surface
Micrography of the longitudinal section of the shaft, in the center of the thickness, presenting a ferritic-perlitic structure typical of a hot forming process.
149
ML00064 / Apr.2017
SAE 1045 Steel Shaft
M - Medium Carbon SteelP - ShaftAp - Mechanical IndustryCd - Removed From Service
Cm - Nital Etched Micrography by OMDf - In the Center of the Thickness
Micrographic detail of the ferritic-perlitic structure, typical of a hot forming process, in the center of the thickness.
139
ML00064 / Apr.2017
SAE 1045 Steel Shaft
M - Medium Carbon SteelP - ShaftAp - Mechanical IndustryCd - Removed From Service
Cm - Nital Etched Micrography by OMDf - In the Center of the Thickness
Micrographic detail of the ferritic-perlitic structure, typical of a hot forming process, in the center of the thickness.
116
ML00064 / Apr.2017
SAE 1045 Steel Shaft
M - Medium Carbon SteelP - ShaftAp - Mechanical IndustryCd - Removed From Service
Cm - Nital Etched Micrography by OMDf - In the Center of the Thickness
Micrography of the longitudinal section of the shaft, at the damaged surface (with a light wear).  In low magnification the ferritic perlitic texture reveals the forging lines.
102
ML00064 / Apr.2017
SAE 1045 Steel Shaft
M - Medium Carbon SteelP - ShaftAp - Mechanical IndustryCd - Removed From Service
Cm - Nital Etched Micrography by OMDf - At the Surface

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