FIELD: metallurgy.
SUBSTANCE: it can be used for fabrication of rotors, shafts and other components of steam turbines of high and medium pressure. High chromium steel contains carbon, silicon, manganese, chromium, nickel, molybdenum, vanadium, niobium, nitrogen, calcium, sulphur, and phosphorus at a following ratio of elements, mas.%: carbon 0.10-0.18; silicon 0.05-0.10; manganese 0.1-0.7; chromium 9.5-11.0; nickel 0 -0,7; molybdenum 1.0-2.0; vanadium 0.15-0.30; niobium 0.02-0.08; nitrogen 0.01-0.05; calcium 0.001-0.05; sulphur 0.002-0.012; phosphorus 0.002-0.012, iron - the rest, at that summary contains of sulphur and phosphorus does not exceed 0.020%.
EFFECT: upgraded quality and processibility of steel.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| HEAT-RESISTANT STEEL | 2006 |
|
RU2333287C2 |
| HEAT-RESISTANT STEEL FOR PRODUCTION OF THE STEAM TURBINES ROTORS | 2004 |
|
RU2272852C1 |
| REFRACTORY MARTENSITIC STEEL | 2013 |
|
RU2524465C1 |
| HEAT-RESISTANT STEEL | 2011 |
|
RU2441092C1 |
| MELTING METHOD OF CARBON-FREE HEAT-RESISTANT STEEL | 2011 |
|
RU2469117C1 |
| HEAT RESISTANT STEEL FOR POWER ENGINEERING | 2009 |
|
RU2426814C2 |
| LOW-ACTIVATED FIRE-RESISTANT RADIATION-RESISTANT STEEL | 2013 |
|
RU2515716C1 |
| HEAT RESISTANT STEEL FOR STEAM POWER INSTALLATIONS AND POWER UNITS WITH OVERCRITICAL PARAMETRES OF STEAM | 2009 |
|
RU2414522C1 |
| STEEL MAKING METHOD | 2012 |
|
RU2499839C1 |
| HEAT RESISTANT STEEL | 2010 |
|
RU2425172C1 |
