Microstructure and Properties Formed at Different Cooling Rates of Low Carbon Alloy Steel for Welding Wire Production

Natalya Koptseva; Yulia Efimova; Mikhail Chukin; Alexander Pesin; N. Tokareva; Alexey Ishimov

doi:10.4028/www.scientific.net/SSP.304.99

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Microstructure and Properties Formed at Different Cooling Rates of Low Carbon Alloy Steel for Welding Wire Production

Abstract:

Physical simulation of steel Mn3Ni1CrMo continuous cooling with different speeds from austenitic state was performed using GLEEBLE 3500 complex. The phase transformations are analyzed and the effect of the cooling rate on the structure and hardness is investigated. A continuous cooling transformation diagram of the undercooled austenite decomposition is constructed. It was concluded that it is possible to reduce the hardness of the hot-rolled billet by reducing the cooling rate compared to the existing in the processing at the STELMOR line of PJSC “MMK”, and this will eliminate the heat treatment of welding wire on the hardware processing.

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Periodical:

Solid State Phenomena (Volume 304)

Pages:

99-106

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.304.99

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Online since:

May 2020

Authors:

Natalya Koptseva*, Yulia Efimova, Mikhail Chukin, Alexander Pesin, N. Tokareva, Alexey Ishimov

Keywords:

Continuous Cooling, Continuous Cooling Transformation Diagram, Hardness, Steel Mn₃Ni₁CrMo, Structure, Welding Wire

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