Patent ID: 6821360
Filing Date: 2004-11-23
Classification: C21D,C22C

Abstract:
A heat-resisting steel consisting essentially of 0.20 (exclusive)-0.30 wt. % C, 0.05 (exclusive)-0.30 wt. % Si, 0.01-0.7 wt. % Mn, 1.8-2.5 wt. % Cr, 0.15-0.23 wt. % V, 1.5-2.5 wt. % W, 0.01-0.02 wt. % Ti, 0.01-0.08 wt. % Nb, 0.005-0.03 wt. % N, 0.001-0.015 wt. % B, and Fe and unavoidable impurities as the remainder, wherein the heat-resisting steel consists of a bainite single phase.