DUAL-PHASE HIGH TENSILE STRENGTH STEEL SHEET EXCELLENT IN HYDROGEN EMBRITTLEMENT CRACKING RESISTANCE

PURPOSE:To offer a dual-phase high tensile strength steel sheet having >=100kgf/ mm tensile strength, having a metallic structure essentially consisting of a martensitic phase and the balance 35 to 50% ferritic phase and excellent in hydrogen embrittlement cracking resistance. CONSTITUTION:This i...

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Bibliographische Detailangaben
Hauptverfasser:	TOMARI HARUO, MASUGATA TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PURPOSE:To offer a dual-phase high tensile strength steel sheet having >=100kgf/ mm tensile strength, having a metallic structure essentially consisting of a martensitic phase and the balance 35 to 50% ferritic phase and excellent in hydrogen embrittlement cracking resistance. CONSTITUTION:This is a steel sheet contg., by weight, 0.10 to O.25% C, 0.8 to 3.5% Si, 1.5 to 3.5% Mn,