A Study of the Cold Resistance of Coiled Stock for Pipes Produced at Foundry-Rolling Works. Part 1


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The mechanical properties, the microstructure, and the cold resistance of coiled strips from low-carbon manganese-and silicon-alloyed steels with different additions of niobium and titanium produced by direct rolling of thin slabs right after their continuous casting under the conditions of foundry-rolling works are studied. It is shown that the addition of 0.01% Ti into the steel alloyed with 0.04% niobium has a positive effect on the ductility, toughness and cold resistance of the rolled strips and a negative effect on the strength. A high (0.08%) content of niobium is favorable for the impact toughness and resistance to brittle fracture of Charpy specimens of the steels studied under negative temperatures of up to –80°C.

Sobre autores

O. Bagmet

Vyksunsky Metallurgical Plant

Email: naumenko_vv@vsw.ru
Rússia, Vyksa

V. Naumenko

Vyksunsky Metallurgical Plant

Autor responsável pela correspondência
Email: naumenko_vv@vsw.ru
Rússia, Vyksa

K. Smetanin

Vyksunsky Metallurgical Plant

Email: naumenko_vv@vsw.ru
Rússia, Vyksa

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