1.2493 Steel Overview:
1.2493 is a premium high-carbon, high-chromium cold work tool steel renowned for its exceptional wear resistance, remarkable toughness, and superb hardness retention even at elevated temperatures. As a member of the high-alloyed chromium-molybdenum-vanadium steel family, it is extensively utilized in the manufacturing industry for crafting cutting tools, forming dies, and various other cold work applications.
Chemical Composition:
Properties:
1. High Wear Resistance: Thanks to its high chromium content, 1.2493 steel boasts excellent wear resistance, making it the material of choice for applications involving abrasive wear and heavy load conditions.
2. Good Toughness: Despite its impressive hardness, 1.2493 steel maintains good toughness, significantly reducing the risk of fractures or failures during operation.
3. High Hardness Retention: The specialized alloy composition of 1.2493 steel ensures it retains high hardness levels even at elevated temperatures, providing consistent cutting performance and impeccable dimensional stability.
4. Excellent Edge Retention: When subjected to proper heat treatment, 1.2493 steel maintains a sharp cutting edge, thereby enhancing productivity and extending tool life.
Applications:
1. Cutting Tools: 1.2493 steel is a preferred choice for producing cutting tools such as knives, blades, and shear blades, which are used in cutting and shaping a variety of materials, including metals, plastics, and rubber.
2. Forming Dies: This steel is widely employed in making forming dies for cold forming and shaping operations like bending, drawing, and extrusion.
3. Cold Work Applications: Owing to its high hardness, wear resistance, and toughness, 1.2493 steel is ideal for numerous cold work applications that require precision machining and exact dimensional accuracy.
4. Punching Tools: 1.2493 steel is also utilized in the production of punching tools designed for perforating or stamping sheet metal, plastics, and other materials.
Heat Treatment:
Annealing: Heat uniformly to a temperature of 800-850°C (1472-1562°F), hold for a sufficient duration, then cool slowly in the furnace to below 600°C (1112°F) to achieve complete annealing.
Quenching: Preheat slowly to the austenitizing temperature range of 980-1020°C (1796-1868°F) and then quench rapidly in oil or air to achieve maximum hardness.
Tempering: Immediately following quenching, temper at 180-220°C (356-428°F) for 2 hours, then air cool to secure the desired balance of hardness and toughness.
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