ULTRA-WIDE QUENCHED AND TEMPERED ABRASION-RESISTANT STEEL PLATE AND MANUFACTURING METHOD THEREFOR

The present invention relates to an ultra-wide quenched and tempered abrasion-resistant steel plate and a manufacturing method therefor. The chemical components of the steel plate are as follows: C: 0.13%-0.25%, Si: 0.30%-0.60%, Mn: 0.5% -1.5%, P≤0.020%, S≤0.0020%, Cr: 0.30%-0.60%, Mo≤0.30%, Ni: ≤0....

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Bibliographische Detailangaben
Hauptverfasser:	HUANG, Biaokai, LEI, Xiaorong, YAN, Qiangjun, WANG, Xin, JIN, Jianfeng, JIANG, Zaiwei, LI, Qingchun, GE, Xin, WU, Junping
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 PUNCHING METAL ROLLING OF METAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present invention relates to an ultra-wide quenched and tempered abrasion-resistant steel plate and a manufacturing method therefor. The chemical components of the steel plate are as follows: C: 0.13%-0.25%, Si: 0.30%-0.60%, Mn: 0.5% -1.5%, P≤0.020%, S≤0.0020%, Cr: 0.30%-0.60%, Mo≤0.30%, Ni: ≤0.30%, Ti: 0.008%-0.025%, Nb≤0.025%, V≤0.030%, B: 0.0015%-0.0025%, Alt: 0.025%-0.07%, N≤0.0050%, H≤0.0003%, Ceq≤0.65, and the balance of Fe and unavoidable impurities. Processes of the steel plate manufacturing method are stable and easy to execute, and a final steel plate exhibits good width directional performance uniformity, has a good welding property and low-temperature impact toughness, and can be welded without preheating. La présente invention se rapporte à une tôle d'acier ultra-large trempée et revenue résistante à l'abrasion et son procédé de fabrication. Les composants chimiques de la tôle d'acier sont les suivants : C : 0,13 % à 0,25 %, Si : 0,30 % à 0,60 %, Mn : 0,5 % à 1,5 %, P ≤ 0,020 %, S ≤ 0,0020 %,