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ACERO PARA HERRAMIENTAS

Los aceros para herramientas se emplean principalmente para la producción de piezas mécanicas destinadas a máquinas herramientas. Aunque su resistencia a la corrosión es escasa,  tienen excelentes características de resistencia a los esfuerzos mecánicos. Se subdividen en dos grandes categorías:

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For hot working Their resistance is due to the content of Molybdenum, Tungsten and Vanadium. These elements alloyed with the Carbon form compounds and hard and stable carbides, which give the material a very high resistance to mechanical stress even at high temperatures. Characteristics: Impact resistance, structural toughness Rubbing resistanc Hot wear resistance caused by metal under pressure High degree of hardness and stiffness Stability of mechanical properties despite temperature variationsura Moulds for bolts and nuts Shears blades Extrusion dies Punches Hot saws Rams and anvils
For cold working Their resistance is due to the high content of alloyed carbon which form very hard carbides in the iron matrix. The hard carbides give the material exceptional properties of hardness and resistance to extreme mechanical stress. Characteristics: Wear resistance High degree of hardness and lasting cutting edges Minimum deformability Toughness in relation to various stresses (impact, compression) Cutting tools, blades, knives, saws Cutters Punches and cold heading Rolls, cones and balls for bearings and guides Dies Cutting tools, broaches, chisels, gravers, files Shears