The weld metal having excellent resistance to tempering embrittlement

摘要

Abstract invention patent: "metal soldering having excellent resistance to tempering embrittlement".The present invention relates to a metal solder according to the present invention, which has a chemical composition specifically contains carbide particles each having a diameter of circle equivalent of more than 0.5 u00b5 m in a number of 0.25 or less per micrometer of committed Imento boundary of grain, and has a value as specified by the formula (L) of 0.12 or higher.The formula (L) expressed as follows: value = ([v] / 51 + [NB] / 93) / ([Cr] / 52 + dvio] / 96) (L) where [v], [NB], [Cr] and [Mo] are the levels (percentage by mass). Of V, Nb, Cr and Mo, respectively, in the metal welding.