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LOW-COST CAST CREEP-RESISTANT AUSTENITIC STAINLESS STEELS THAT FORM ALUMINA FOR HIGH TEMPERATURE OXIDATION RESISTANCE
LOW-COST CAST CREEP-RESISTANT AUSTENITIC STAINLESS STEELS THAT FORM ALUMINA FOR HIGH TEMPERATURE OXIDATION RESISTANCE
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机译:低成本形成氧化铝的耐蠕变奥氏体不锈钢,可形成高温抗氧化铝
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摘要
An air castable Fe-based stainless steel alloy comprises in weight % based on the total weight of the alloy 18-22% Cr, 15-22% Ni, 3-6% Al, 0.5-5% Mn, 0-3.5% W, 0-5% Cu, 0-2% Si, 1-2.5% Nb, 0.3-0.6% C balance Fe wherein, Cu+W+Si=0.5-10.5, and the alloy provides an oxidation resistance of 0.5specific mass change+2 mg/cm2 after 400 one hour cycles at 900° C. in 10% water vapor.
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机译:一种可空气铸造的铁基不锈钢合金,以合金的总重量计,其重量百分比为18-22%Cr,15-22%Ni,3-6%Al,0.5-5%Mn,0-3.5%W ,0-5%Cu,0-2%Si,1-2.5%Nb,0.3-0.6%C余量Fe,其中,Cu + W + Si = 0.5-10.5,且合金的抗氧化性为0.5 <比质量在900%的温度下于10%的水蒸气中经过400个1小时的循环后,变化<+2 mg / cm 2 Sup>。
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