| abstract |
The niobium-containing austenitic stainless steel according to an embodiment of the present invention comprises 16 to 26 wt% of chromium (Cr), 8 to 22 wt% of nickel (Ni), 0.02 to 0.1 wt% of carbon (C) , 0.2 to 1 wt% of titanium (Ti), 0.015 to 0.025 wt% of titanium (Ti), 0.004 to 0.01 wt% of nitrogen (N) and 0.5 to 2 wt% of manganese (Mn) Micro-niobium carbide and fine titanium nitride are precipitated in the matrix-based matrix, and micro-niobium carbide is uniformly dispersed in the austenitic matrix. |