MEDIUM-CARBON HIGH-STRENGTH STEEL WIRE

PROBLEM TO BE SOLVED: To provide a medium-carbon high-strength steel wire for a steel code, which can be easily and inexpensively manufactured from a hot-rolled wire rod. SOLUTION: The medium-carbon high-strength steel wire drawn from a medium carbon steel, has a structure composed of substantially...

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Bibliographic Details
Main Authors SUGIMARU SATOSHI, NISHIDA TSUGUNORI
Format Patent
LanguageEnglish
Published 19.11.2003
Edition7
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:PROBLEM TO BE SOLVED: To provide a medium-carbon high-strength steel wire for a steel code, which can be easily and inexpensively manufactured from a hot-rolled wire rod. SOLUTION: The medium-carbon high-strength steel wire drawn from a medium carbon steel, has a structure composed of substantially ferrite fibers having thickness of 15 nm or less, which contain 0.3-0.6 mass% of carbon existing in a state of solution or clusters, has a strength of 4.0 GPa or higher, has a reduced area by 30% or more, and further contains substantially no such cementite in the structure of the steel wire as to be detected by an X-ray diffraction method of a Moessbauer spectroscopy. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020138614