LOW-CARBON MARTENSITIC SPRING STEEL

The invention is a alloy spring steel applying primarily in making equal section or varying section plate springs for mid and heavy-load vehicles, which breaks through the tradition that all the spring steel is made of medium carbon steel. Low-carbon steel is employed by heat treatment technology, i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANG PEIYI, LIU QINGHUA, ZHU QINJIAN, ZHU RENZHANG, YANG QIPING, LIN XILIN, ZHANG JIANJUN
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:	The invention is a alloy spring steel applying primarily in making equal section or varying section plate springs for mid and heavy-load vehicles, which breaks through the tradition that all the spring steel is made of medium carbon steel. Low-carbon steel is employed by heat treatment technology, in which low carbon is matched with high silicon and water quenching combines with low tempering. Therefore, outstanding properties of high strength, high ductility, and high fatigne lifetime are obtained. Because of using the water quenching technology, 12 kilograms of oil and 19 killowatt-hour of electricity per ton of steel plate prodution can be saved. It is remarkably economical and without enviromental pollution.