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Ferritic stainless steel excellent in high temperature oxidation resistance, high temperature creep strength and high temperature tensile strength
Ferritic stainless steel excellent in high temperature oxidation resistance, high temperature creep strength and high temperature tensile strength
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机译:铁素体不锈钢具有优异的高温抗氧化性,高温蠕变强度和高温拉伸强度
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摘要
PROBLEM TO BE SOLVED: To provide a ferritic stainless steel excellent in high temperature oxidation resistance, high temperature creep strength, volume fraction of deposition amount of a Laves phase and high temperature tensile strength under high temperature and corrosion burning gas environment.SOLUTION: There is provided a ferritic stainless steel excellent in high temperature oxidation resistance, high temperature creep strength and high temperature tensile strength, containing, by mass%, C:0.04% or less, Si:0.40 to 1.20%, Mn:0.01 to 0.40%, P:0.040% or less, S:0.030% or less, Cr:18.00 to 25.00%, Al:0.60 to 1.40%, Ti:0.10 to 0.90%, Nb:0.10 to 1.20%, N:0.03% or less and further one of Mo and W:0.50 to 3.00% or both of Mo and W:0.50 to 3.00%, satisfying (Si+Al):1.00 to 2.60% and (Ti+Nb):4(C+N) to 1.60% in a range of the chemical component described above with the balance consisting of Fe with inevitable impurities.SELECTED DRAWING: None
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