Micro-Alloyed Steel for Forgings

Sabrina Mengaroni; Massimo Calderini; Giuseppe Napoli; Chiara Zitelli; Andrea Di Schino

doi:10.4028/www.scientific.net/MSF.941.1603

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HomeMaterials Science ForumMaterials Science Forum Vol. 941Micro-Alloyed Steel for Forgings

Micro-Alloyed Steel for Forgings

Abstract:

To fulfill the industrial demand of forged steels with high tensile properties and microstructural requirements coupled with reduced cost, the possibility to increase the properties of C-Mn steels by means of precipitation strengthening as achieved by micro-alloying (and without the addition of expensive elements such as Mo and Cr) has been evaluated. In order to do that, the effect of V addition has been exploited by means of metallurgical modelling followed by a laboratory ingot manufacturing. Heat treatment has been designed aimed to achieve the desired target tensile properties. Results show that ASTM A694 F70 grade requirements can bel fulfilled by 0.15% V addition and a proper heat treatment in a ferrite-pearlite microstructure, representative of a forged component. Results are discussed in comparison to those of a similar steel without V addition.

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Periodical:

Materials Science Forum (Volume 941)

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1603-1606

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https://doi.org/10.4028/www.scientific.net/MSF.941.1603

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Online since:

December 2018

Authors:

Sabrina Mengaroni*, Massimo Calderini, Giuseppe Napoli, Chiara Zitelli, Andrea Di Schino

Keywords:

Alloying, Micro, Steel, Vanadium

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