Abstract

CARPENTER STAINLESS TYPE 440F is a high-carbon chromium steel designed to provide stainless properties with maximum hardness. It is free-machining, easy to grind and polish, and has certain nongalling and noseizing properties in metal-to-metal contact. After austenitizing and quenching in oil, it shows a hardness of about Rockwell C 60. Carpenter Stainless Type 440F is used for machined parts which require higher hardness than possible with other free-machining grades of stainless steel. Type 440F usually is not recommended for vessels containing gases or liquids under high pressures. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-449. Producer or source: Carpenter.

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