牌號 | Micro-Melt? 440-XH Alloy |
廠家 | Carpenter Technology Corporation |
分類 | Steel |
介紹 | Micro-Melt? 440-XH? alloy is powder metallurgy, air-hardening, high carbon, high chromium, corrosion-resistant alloy. It can be considered either a high hardness 440C stainless steel or a corrosion-resistant D2 tool steel. Micro-Melt 440-XH alloy possesses corrosion resistance equivalent to 440C stainless steel and can attain a maximum hardness of 64 HRC. In addition, the composition of Micro-Melt 440-XH alloy has been balanced so that it can attain a minimum hardness of 60 HRC when air cooled from hardening temperatures of 1850 to 2000°F (1010°C to 1093°C). Micro-Melt 440-XH alloy is thus more forgiving during heat treatment than similar alloys. Applications: Micro-Melt 440-XH can be used for specialty knives where the alloy's fine carbide distribution can be used to produce a keenly sharp cutting edge. The material can be easily ground to the thin profiles required for cutting tools. Micro-Melt 440-XH knife blades can be finely polished to high luster or produced with a uniform matte finish. Other applications that may be considered for this alloy include all applications for stainless steels that may require higher hardness, such as bearing assemblies, needle valves, ball check valves, valve seats, pump parts, ball studs, bushings and wear-resistant textile components. |
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