HEAT-RESISTANT AUSTENITIC STAINLESS STEEL HAVING EXCELLENT CYCLIC OXIDATION RESISTANCE

摘要

Provided is a heat-resistant austenitic stainless steel comprising: 0.05-0.2% C; 0.1-1% Si; 0.1-2.5% Mn; 1-4% Cu; 7-12% Ni; 16-20% Cr; 0.1-0.6% Nb; 0.05-0.4% Zr; 0.005-0.1% Ce; 0.1-0.6% Ti; 0.0005-0.005% B; 0.001%-0.15% N; 0.005% or less (excluding 0%) S; and 0.05% or less (excluding 0%) P, wherein the rest consists of iron and unavoidable impurities.