| 摘要 |
FIELD: metallurgy. SUBSTANCE: ferrite steel comprises chromium, aluminium, manganese, sulfur, phosphorus, yttrium and iron and further comprises zirconium and titanium carbonitrides, the ratio of components is as follows (wt%): 18.5-20.5 chromium; 4.5- 5.5 aluminium; 0.01-0.5 manganese; 0.001-0.005 sulfur; 0.001-0.025 phosphorus; 0.004-0.08 yttrium; 0.002-0.015 titanium and zirconium carbonitrides, and the iron balance. EFFECT: improved properties of the ferrite steel. |
