Patent ID: 8845824
Filing Date: 2014-09-30
Classification: C22C,F01N

Abstract:
1. An austenitic heat-resisting cast steel, composed of Fe and comprising 0.4˜0.6 wt % of C, 0.5˜1.0 wt % of Si, 2.1˜2.9 wt % of Mn, 2.1˜2.9 wt % of Ni, 18˜22 wt % of Cr, 1.0˜2.0 wt % of Nb, 2.0˜3.0 wt % of W, 0.25˜0.35 wt % of N and other inevitable impurities, wherein a ratio of a Cr equivalent relative to a Ni equivalent (Cr equivalent/Ni equivalent) is 0.8˜0.9.