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SINTERED ALLOY FOR A VALVE SHEET AND A VALVE SHEET MANUFACTURING METHOD USING THE SAME, IN WHICH MNS IS ADDED INTO THE SINTERED ALLOY AND TEMPERED
SINTERED ALLOY FOR A VALVE SHEET AND A VALVE SHEET MANUFACTURING METHOD USING THE SAME, IN WHICH MNS IS ADDED INTO THE SINTERED ALLOY AND TEMPERED
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机译:阀板用烧结合金和使用该方法的阀板制造方法,在将MNS加入烧结合金并进行回火处理的过程中
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摘要
PURPOSE: A sintered alloy for a valve sheet and a valve sheet manufacturing method using the same are provided to increase the solid lubricous properties and to improve the illumination and a surface condition of the valve sheet.;CONSTITUTION: A sintered alloy for a valve sheet includes 0.8-1.2 wt% of C, 2.0-4.5 wt% of Ni, 3.0-5.0 wt% of Cr, 16.0-20.0 wt% of Mo, 9.0-13.0 wt% of Co, 0.05-0.15 wt% of V, 0.2-0.8 wt% of S, Fe and unavoidable impurities, and MnS. The total weight of the sintered alloy includes 0.5-2.5 wt% of MnS. The size of the MnS is 12 um or less. The MnS includes 60-65 wt% of M and 35-40 wt% of S.;COPYRIGHT KIPO 2013
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