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We present the results of development of the technology of thermal hardening and thermal straightening of shaped rolled St3 steel (structural angles) based on the mathematical and physical simulation of the process of heat transfer with accelerated water cooling of the metal. For this purpose, we used the DEFORM 3D + HEAT TREATMENT software environment of the finite-element method and carried out...
Weldability is studied for two high-strength pipe steels of strength class K60 with different microalloying based on modelling physical processes occurring in heat-affected zone (HAZ) metal, and correlation of cooling rate (heat input during welding) with HAZ metal structure and properties. Test steel HAZ metal structure and properties are described in relation to welding parameters. The optimum cooling...
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