The active areas of the processing tools by pressing are intensely required at efforts with a high degree of triaxiality which implies the use of hard and tenacious materials. The implementation in the tools production of the irremovability principle based on modulated elements implies the achievement of a new generation of materials for loading through microalloyed with lantanide welding. For this purpose there has been achieved a loading material obtained through welding which lays alloys of the type Fe-2, 5 Cr-4%, 5% W with the appropriate characteristics and suitable technologies. This material has been tested and the test results are presented in the end paper.
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