| 摘要 |
<p>Use of a super-austenitic stainless steel alloy with a composition, balanced in such a way that the alloy and products made from the alloy fulfil high requirements on a combination of high corrosion resistance, especially in inorganic and organic acids and mixtures thereof, good general corrosion resistance, good structure stability as well as improved mechanical properties in combination with good workability, in particular in the embodiment tubes, especially seamless tubes and seam welded tubes for application in said environments and with following composition, in weight-percent: Cr 24.0-30.0, Ni 26.0-35.0, Mo 2.0-6.0, Mn>2.0-6.0, N>0-0.5, C>0-0.05, Si >0-1.0, S>0-0.02, Cu>0-3.0, W>0-6.0, one or more of the elements of the of group Mg, Ce, Ca, B, La, PrZr, Ti, Nd in an amount of up to 2.0 and the balance being Fe and normally occurring impurities and steel making additions.</p> |
