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    • 62. 发明专利
    • Overlay welding material and mechanical component with overlay welding metal welded thereto
    • 覆盖焊接材料和机械组件与焊接金属焊接
    • JP2012091225A
    • 2012-05-17
    • JP2011136461
    • 2011-06-20
    • Kobe Steel Ltd株式会社神戸製鋼所
    • TAKEDA TSUTOMUKOBAYASHI RYUICHI
    • B23K35/30B23K9/00B23K9/04
    • B23K35/3086B23K35/0261B23K35/24B23K35/30B23K35/3053B23K35/308C21D2211/004C21D2211/005C22C38/02C22C38/04C22C38/34C22C38/44C22C38/46C23C30/00Y10T428/12965
    • PROBLEM TO BE SOLVED: To provide an overlay welding material as a welding material for an overlay welding metal to be used under a corrosive environment with acid, in which the corrosion resistance and the abrasion resistance of the overlay welding metal are excellent, and any crack generation is prevented; and to provide a mechanical component with the overlay welding metal welded thereto.SOLUTION: The overlay welding material contains, by mass, 0.2-1.5% of C, 0.5-2.0% of Si, 0.5-2.0% of Mn, 20-40% of Cr, 2.0-6.0% of Mo, 0.5-6.0% of Ni, 1.0-5.0% of V and 0.5-5.0% of W, with the balance Fe with inevitable impurities. When the overlay welding material is used for the overlay welding of a mechanical component with steel being its main material, and subjected to the forging, rolling or hot working, the overlay welding material preferably has a composition in which the contents of P and S are regulated to be P:≤0.03%, and S:≤0.02%, and may contain impurities so long as the soundness of the overlay welding metal is not impaired.
    • 要解决的问题:为了提供覆盖焊接材料作为用于在酸性腐蚀环境下使用的覆盖焊接金属的焊接材料,其中覆盖焊接金属的耐腐蚀性和耐磨性优异, 并且防止任何裂纹发生; 并且提供一种机械部件,其上焊接有覆盖焊接金属。 < P>解决方案:重叠焊接材料质量含有0.2-1.5%的C,0.5-2.0%的Si,0.5-2.0%的Mn,20-40%的Cr,2.0-6.0%的Mo,0.5 Ni为-6.0%,V为1.0-5.0%,W为0.5-5.0%,Fe为不可避免的杂质。 当覆盖焊接材料用于以钢为主要材料并进行锻造,轧制或热加工的机械部件的重叠焊接时,覆盖焊接材料优选具有其中P和S的含量为 调节为P:≤0.03%,S:≤0.02%,只要覆盖焊接金属的良好性不受损害,就可能含有杂质。 版权所有(C)2012,JPO&INPIT