360HB-450HB GRADE ABRASION RESISTANT STEEL AND PRODUCTION METHOD THEREFOR

Disclosed in the present invention is a 360HB-450HB grade abrasion resistant steel, comprising the following chemical components in percentage by mass: C: 0.10%-0.30%, Si: 0.20%-0.50%, Mn: 0.80%-1.60%, P≤0.020%, S≤0.005%, Ti: 0.008%-0.025%, Cr: 0.20%-1.00%, Ni≤0.60%, Mo: 0.10%-0.50%, Al: 0.025%-0.05...

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Bibliographische Detailangaben
Hauptverfasser:	QIAO, Mingliang, HUANG, Biaokai, CHEN, Meng, YANG, Liu, ZHAI, Dongyu, MA, Liujun
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PUNCHING METAL ROLLING OF METAL TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Disclosed in the present invention is a 360HB-450HB grade abrasion resistant steel, comprising the following chemical components in percentage by mass: C: 0.10%-0.30%, Si: 0.20%-0.50%, Mn: 0.80%-1.60%, P≤0.020%, S≤0.005%, Ti: 0.008%-0.025%, Cr: 0.20%-1.00%, Ni≤0.60%, Mo: 0.10%-0.50%, Al: 0.025%-0.055%, B: 0.0010%-0.0030%, Mg: 0.0010%-0.0018%, N≤0.0045%, and the remainder being Fe and inevitable impurities, the Brinell hardness of the steel grade surface being 330-480 HBW. Further disclosed is a production method for the abrasion resistant steel. The present invention formulates components of the abrasion resistant steel with the steel grade of NM360-NM450 according to the national standard "GB/T 24186-2009 high strength abrasion resistant steel plates for construction machine", and the abrasion resistant steel performance index satisfying the national standard requirement is obtained. La présente invention divulgue un acier résistant à l'abrasion de grade 360 HB à 450 HB, comprenant les composants chimiques s