Fatigue welding material with excellent thermal fatigue characteristics

摘要

The present invention relates to a growth welding material, and an object thereof is to provide a growth welding material made of stainless steel having excellent thermal fatigue crack resistance.;In order to achieve the above object, the present invention provides a weight percent of C: 0.09-0.25%, Si: 0.2-1.0%, Mn: 0.3-1.5%, Ni: 1.0-2.5%, Cr: 10.5-13.5%, and (2Mo). + W): 1.5-3.0%, Nb: 0.1-0.6%, V: 0.1-0.6%, Cu: 0.3-1.5%, N: 0.02-0.15%, excellent thermal fatigue properties composed of residual Fe and unavoidable impurities The technical gist of the material for growth welding is considered.