MIM 440C Stainless Steel Metal Injection Molding service Martensitic 440C stainless steel metal injection molded parts offer exceptional hardness, strength, and corrosion resistance. The high carbon and chromium contents enable excellent wear resistance with the ability to reach hardness levels over HRC 60. However, 440C maintains sufficient toughness and impact strength to avoid brittle behavior. But 440C has a lower ability to withstand dynamic loads. The fine carbide distribution and refined microstructure from the metal injection molding (MIM) process improve fatigue strength and ductility versus the precision casting process . Post-sintering heat treatment allows ultimate tensile strengths over 2000 MPa to be achieved. The balanced properties of MIM 440C make it well suited for applications requiring high hardness for wear resistance combined with excellent corrosion performance. Typical uses include: Plastic injection molds. High-performance ball bearings. Valves. Nozzles
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