| 摘要 |
A new austenitic stainless steel comprising in % by weight: C: <0.12, Si: <1.0, Cr: 16-22, Mn: <2.0, Ni: 8-14, Mo: <1.0, either Ti: >4% by weight of C and <0.8 or Nb: 8% by weight of C and <1.0, S: <0.03, O: <0.03, N: <0.05, REM: </=0.30 and >0.10, and the remainder Fe and normally occurring impurities, REM being one or more of the elements Ce, La, Pr and Nd. The new steel is particularly suitable as a superheater steel and a heat exchanger steel. |
