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ML00048 - Apr.2017

Medium Carbon Steel Pins of Electrical Insulators

Pin B micrography presenting a ferritic-bainitic structure.

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B presenting a -bainitic .
M

Material

Medium Carbon Steel
  • ASTM A 688 class E
Ds

Description

Electrical insulator , manufactured by different suppliers to meet A688 grade E. The results of chemistry are similar but the and hardness levels are very different.

C

Chemistry (% in weight)

Pin A

0.43C; 0.17Si; 0.68Mn; 0.011P; 0.018S.

Pin B

0.44C; 0.24Si; 0.65Mn; 0.011P; 0.025S.

Associated Images
Pin A micrography presenting a ferritic-perlitic structure.
463
VIEW
ML00048 / Apr.2017
Medium Carbon Steel Pins of Electrical Insulators
M - Medium Carbon SteelP - Forged PinAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
Detail of Pin A microstructure. Ferritic-perlitic.
138
VIEW
ML00048 / Apr.2017
Medium Carbon Steel Pins of Electrical Insulators
M - Medium Carbon SteelP - Forged PinAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
Pin B micrography presenting a ferritic-bainitic structure.
97
VIEW
ML00048 / Apr.2017
Medium Carbon Steel Pins of Electrical Insulators
M - Medium Carbon SteelP - Forged PinAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Ferrite and Bainite
Detail of Pin B microstructure. Ferritic-bainitic.
87
VIEW
ML00048 / Apr.2017
Medium Carbon Steel Pins of Electrical Insulators
M - Medium Carbon SteelP - Forged PinAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Ferrite and Bainite