High temperature oxidation-resistant austenitic steel

Details High temperature oxidation-resistant austenitic steel High temperature oxidation-resistant austenitic steel

C - Chemistry, Metallurgy

22

C

75/97

C22C 38/40 (2006.01)

Patent

CA 1130116

Abstract of the Disclosure: The present invention relates to an austenitic steel having improved resistance to oxidation at high temperature, comprising not more than 0.10% C, 0.1 - 5.0% Si, not more than 3% Mn, 7 - 45% Ni, 15 - 30% Cr and sulfur content being restricted to not more than 0.003%. According to the present invention, by limiting the sulfur content in the austenitic steel to not more than 0.003%, preferably to not more than 0.0015%, a heat-resisting steel material which can show improved resistance to oxidation under severe conditions including repeated heating to high temperatures and cooling to room temperature is provided.

318879

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