CarTech Micro-Melt 440-XH is an air-hardening, high-carbon, high chromium, corrosion resistant alloy tool steel that is produced by the powder metallurgy process. It can be considered as either a high hardness Type 440C martensitic stainless steel or a corrosion- resistant Type D2 alloy tool steel. CarTech Micro-Melt 440-XH possesses corrosion resistance equivalent to that of Type 440C martensitic stainless steel and can attain a maximum hardness of 64 HRC. In addition, the composition of CarTech Micro-Melt 440-XH has been balanced so that it can attain a minimum hardness of 60 HRC when air cooled from the hardening temperature. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and machining. Filing Code: TS-819. Producer or source: Carpenter Technology Corporation.

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