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Stainless steel 440C is a martensitic stainless alloy with 18% chromium 1.20% carbon. The 'C' suffix stands for 'carbon' since it is the stainless steel alloy with the highest carbon content in the 400 series. The high carbon content yields very high strength at the expense of poor machinability, around 35%.
Owing to a high hardness of HRC 56 to 60, the wrought and MIM versions of alloy 440C find use in applications that require good wear resistance, combined with a moderate corrosion resistance. Popular uses of the alloy include cutlery, food pressing/canning equipment, surgical and dental instruments, scissors, springs, valves, gears, shafts,
Alloy 440C has the highest carbon content of all 440 series stainless steel and is more readily available than 440B. The product is highly suitable for use in applications where greater strength and moderate corrosion resistance is a consideration.
18 Οκτ 2024 · 440C Stainless Steel. 440C stainless steel is known for its high hardness and excellent wear resistance due to its elevated carbon content (0.95-1.20%). After heat treatment, 440C can reach very high levels of hardness, which makes it suitable for applications that require wear resistance.
440C is a high-carbon chromium stainless steel designed to provide moderate stainless properties with maximum hardness. 440C can be found in a diverse range of applications owing to the excellent wear resistance coupled with corrosion resistance.
CarTech 440C stainless is a high-carbon chromium steel designed to provide stainless properties with maximum hardness. It has been used primarily as a bearing steel, and is used in the hardened plus tempered condition.
440C is a heat treatable stainless steel, designed for a combination of high wear resistance and moderate corrosion resistance. Examples of applications: Bearings, industrial knives, specialty cutlery knives, mold inserts, surgical tools. Comparison Chart. Typical Heat Treat Response. Tempering Temp Degrees oF Hardness HRC. As quenched 59. 212. 59.
