Lead-free steel for machine structural use with excellent machinability and low strenght anisotropy

A lead-free steel for machine structural use with excellent machinability and low strength anisotropy, which does not contain Pb and is equal to or higher than a conventional Pb-containing free cutting steel in properties, is provided. This steel includes, on the weight basis, C: 0.10 to 0.65%; Si:...

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Main Authors IWAMA, NAOKI, TSUNEKAGE, NORIMASA, KOBAYASHI, KAZUHIRO, OWAKI, SUSUMU, FUJII, ISAO, NAITO, KUNIO, UCHIYAMA, MASAO, MORI, MOTOHIDE, NISHIMON, SYOJI, OGO, KAZUTAKA
Format Patent
LanguageEnglish
French
German
Published 09.08.2006
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:A lead-free steel for machine structural use with excellent machinability and low strength anisotropy, which does not contain Pb and is equal to or higher than a conventional Pb-containing free cutting steel in properties, is provided. This steel includes, on the weight basis, C: 0.10 to 0.65%; Si: 0.03 to 1.00%; Mn: 0.30 to 2.50%; S: 0.03 to 0.35%; Cr: 0.1 to 2.0%; Al: less than 0.010%; Ca: 0.0005 to 0.020%; Mg: 0.0003 to 0.020%; O: less than 20 ppm; and the balance being Fe and inevitable impurities.
Bibliography:Application Number: EP20060005867