| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention refers to metallurgy, particularly to production of casting steel of high quality employed for hot working dies. Steel contains carbon, silicon, manganese, chromium, nickel, molybdenum, niobium, vanadium, gadolinium and iron at the following ratio of components, wt %: carbon 0.3-0.36, silicon 0.4-0.6, manganese 0.4-0.9, chromium 0.8-1.5; nickel 0.8-1.5, molybdenum 0.2-0.6, niobium 0.05-0.2, vanadium 0.1-0.3, gadolinium 0.05-0.12, iron - the rest. ^ EFFECT: upgrading of hardness, and impact and heat resistance. ^ 3 tbl |
