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Ferritic stainless steel with excellent high-temperature wear resistance, manufacturing method of ferritic stainless steel sheet, exhaust parts, high-temperature sliding parts, and turbocharger parts

机译:具有优异的高温耐磨性的铁素体不锈钢,铁素体不锈钢板,排气部件,高温滑动部件和涡轮增压器部件的制造方法

摘要

This ferrite stainless steel having superior wear resistance at high temperature is characterized by containing, in mass%, 0.003-0.02% of C, 0.05-1.0% of Si, 0.05-1.0% of Mn, 0.01-0.05% of P, 0.0001-0.01% of S, 15-18% of Cr, 0.002-0.02% of N, 0.01-0.20% of Al, 1-3% of Cu, 1.7-3% of Mo, 0.4-0.7% of Nb, and 0.0002-0.0030% of B, the remaining portion being Fe and incidental impurities, wherein 0.06 particles/μm2 or more of a Nb-containing deposit exist at a depth of 20 μm from the surface layer.
机译:该高温下具有优异的耐磨性的铁素体不锈钢的特征在于,以质量%计含有0.003〜0.02%的C,0.05〜1.0%的Si,0.05〜1.0%的Mn,0.01〜0.05%的P,0.0001〜0.05%。 S的0.01%,Cr的15-18%,N的0.002-0.02%,Al的0.01-0.20%,Cu的1-3%,Mo的1.7-3%,Nb的0.4-0.7%和0.0002- B为0.0030%,剩余部分为Fe和附带杂质,其中在距表面层20μm的深度处存在0.06颗粒/μm2或更多的含Nb沉积物。

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