Premium P-20SP steel, especially formulated for moldmakers, can reduce machining costs by 30 percent, according to the manufacturer, while tool life is increased. This steel, which is friendly to carbide and high-speed tooling, is aluminum deoxidized through a steel-making process utilizing vacuum elaboration to ensure cleanliness and homogeneity. It is compact and is inspected ultrasonically to a 1/16-inch flat bottom hole.
A special quenching process enables consistent hardness from surface through mid-thickness of each block. Machinability is controlled by the sulfur content and the metallurgical homogeneity of the steel. An adapted heat treatment eliminates hard spots that are detrimental to tool life. Additionally, it reduces benching, along with polishing and texturing. Premium P-20SP, which is stocked in sizes ranging from 4 1/4- to 26-inch thickness, also comes with a money-back guarantee.
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