| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a Co-based hardfacing material and a hardfacing method, which can form a hardfacing layer in which a crack does not occur even when it is exposed to a high temperature environment of about 600°C for a long period of time. <P>SOLUTION: The Co-based hardfacing material includes, by mass, 20 to 22% Cr, 9 to 28% Fe, 0.7 to 1.4% C, 2 mass% or less of Si, 3 mass% or less of Ni, 3 mass% to 6 mass% of W or Mo and the balance Co with inevitable impurities. <P>COPYRIGHT: (C)2012,JPO&INPIT |
