Austenitic stainless steel weld joint includes C:0. with by quality welding metal in base metal3% or less, Si:2% or hereinafter, Mn:0.01 to 3.0%, P: greater than 0.04% to 0.3%, S:0.03% or less, Cr:12 to 30%, Ni:6 are to 55%, rare earth element: greater than 0.2% to 0.6%, solvable Al:0.001 to 3% and N:0.3% or hereinafter, surplus is Fe and impurity, and meet relationship: (Cr+1.5×Si+2×P ) / ( Ni+0.31×Mn+22×C+14.2×N+5×P ) 1.388. The weld seam solidification cracking of welding point is especially good at resistance, although its P content with higher and causing complete austenite and solidifying. Therefore, which can be widely applied to field and needs to weld. In above-mentioned relation, each atomic symbol indicates the content of element with quality %.
展开▼
