| 简介 |
To provide a ferritic stainless steel material excellent in vibration damping capability. A vibration-damping ferritic stainless steel material having a chemical composition containing, in terms of percentage by mass, from 0.001 to 0.04% of C, from 0.1 to 2.0% of Si, from 0.1 to 1.0% of Mn, from 0.01 to 0.6% of Ni, from 10.5 to 20.0% of Cr, from 0.5 to 5.0% of Al, from 0.001 to 0.03% of N, from 0 to 0.8% of Nb, from 0 to 0.5% of Ti, from 0 to 0.3% of Cu, from 0 to 0.3% of Mo, from 0 to 0.3% of V, from 0 to 0.3% of Zr, from 0 to 0.6% of Co, from 0 to 0.1% of REM (rare earth element), from 0 to 0.1% of Ca, and the balance of Fe, with unavoidable impurities, having a metal structure containing a ferrite single phase as a matrix and ferrite crystal grains having an average crystal grain diameter of from 0.3 to 3.0 mm, and having a residual magnetic flux density of 45 mT or less. |
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