Method for manufacturing Ni-based alloy core wire, sheathed arc welding rod, and sheathed arc welding rod for shielded arc welding rod

摘要

As for the Ni-based alloy core wire for the covering arc welding rod which concerns on one aspect of this invention, chemical composition is mass%, C: 0.0100 to 0.0800%, Si: 0.010 to 0.800%, Mn: 0.010 to 1.800%, Mo: 15.0 -28.0%, W: 2.5-8.0%, Cu: 0.10-1.20%, Ta: 0.002-0.120%, Ni: 65.0-82.3%, and remainder: Impurity, and optionally include other optional elements, and X value is 0.010 It is-0.160%.