HIGH-STRENGTH STEEL WIRE WITH EXCELLENT DELAYED FRACTURE RESISTANCE AND CORROSION RESISTANCE

HIGH-STRENGTH STEEL WIRE WITH EXCELLENT DELAYED FRACTURE RESISTANCE AND CORROSION RESISTANCE

PROBLEM TO BE SOLVED: To provide high-strength steel wire with ≥1,200 N/mm2tensile strength combining excellent delayed fracture resistance and corrosion resistance. SOLUTION: The high-strength steel wire is composed of steel which contains 0.5 to 1.0% C and also contains one or more elements select...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAMIMURA YUICHI, IBARAKI NOBUHIKO
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide high-strength steel wire with ≥1,200 N/mm2tensile strength combining excellent delayed fracture resistance and corrosion resistance. SOLUTION: The high-strength steel wire is composed of steel which contains 0.5 to 1.0% C and also contains one or more elements selected from the group consisting of Cu, Ni and Ti in the amounts satisfying inequality 3.1≥3[Cu]+[Ni]+6[Ti]≥0.1(%) (wherein, [Cu], [Ni] and [Ti] represent respective contents of Cu, Ni and Ti). In this steel wire, the area ratio of pearlitic structure is ≥80% and a strength of ≥1,200 N/mm2is produced. COPYRIGHT: (C)2003,JPO