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The basic operational and technological properties of steel are defined (determined) by the contents of their chemical elements. Elements allow reaching (achieve) necessary hardening of a firm solution. One of the possible variants of the improvement to technologies and improvements official characteristic thermal processed product - a use the thermal processing with frequentative heating, including with phase fart hard phase. These modes include first fart to hard phase with heating before extreme temperature, residing for steel in region 1100-1150 S. Under this temperature of the heating not only occurs dissolution an carbide phases, but exists dissociation and begin dissolution refractory phase. In clause the decision these problems is considered. [ABSTRACT FROM AUTHOR]

Currently, there is no scientific justification for improving the geometric parameters of the laser saw and the accuracy standards of functional parameters. The issue of improving the geometric parameters of the saw is important and, in this regard, requires urgent resolution. The article deals with the issues related to the choice of optimal parameters of the laser saw. [ABSTRACT FROM AUTHOR]