Abstract
Currently there is extensive use of low-alloy steels with microadditions of vanadium, boron, titanium, and other alloying elements which are introduced with the aim of refining austenite grains, preventing softening during subsequent welding, and attaining quite high strength and ductility properties mainly in the hot-rolled condition. In the present work, austenite transformation kinetics are studied for steels 32G2F and 32G2FRT in order to evaluate the possibility of using them for manufacturing high-strength drilling pipes.
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