Multielement low-alloy water quenching abrasion resistant steel

• Main Author: GUO YUBAO
• Format: Patent
• Language: Chinese; English
• Published: 08.04.2009
• Subjects: ALLOYS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; FERROUS OR NON-FERROUS ALLOYS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention relates to multi-element low-alloy abrasion-resistant steel, in particular to the multi-element low-alloy abrasion-resistant steel specially used for manufacturing liners for a ball mill and mill cycles and mill bases for a runner milling, specifically the multi-element low-alloy water quenching abrasion-resistant steel, which solves the problem of lack of actually applicable multi-element low-alloy abrasion-resistant steel used for manufacturing liners for the ball mill and mill cycles and mill bases for the runner milling at present. The steel comprises the following elements by weight: 0.27-0.33 percent of C, 0.8-1.1 percent of Si, 1.0-1.5 percent of Mn, 0.035 percent or less of S, 0.035 percent or less of P, 0.8-1.2 percent of Cr, 0.08-0.12 percent of Re and 0.005-0.007 percent of B and undergoes the following thermal treatment: heating up to 1000-1050 DEG C, undergoing water quenching, tempering to 250 DEG C and then cooling naturally. The multi-element low-alloy water quenching abrasion-re