FIELD: metallurgy.
SUBSTANCE: proposed composition contains the following substances, in wt %: carbon - 0.16-0.25, silicon - 0.10-0.60, manganese - 0.60-1.20, chromium - 1.5-2.50, nickel - 0.60-1.50, molybdenum - 0.18-0.75, vanadium - 0.08 - 0.15, aluminium - 0.001-0.008, copper ≤ 0.30, sulfur ≤ 0.006, phosphorus ≤ 0.008, nitrogen - 0.005-0.02, zirconium - 0.001-0.004, calcium - 0.005-0.02, cerium - 0.005-0.03, iron making the rest.
EFFECT: high heat resistance and crack growth resistance.
2 cl, 2 tbl
| Title | Year | Author | Number | 
|---|---|---|---|
| HEAT-RESISTANT STEEL | 2011 | 
 | RU2441092C1 | 
| METHOD OF MAKING PIPE FROM HEAT-RESISTANT STEEL FOR STEAM TURBINE | 2023 | 
 | RU2822643C1 | 
| STEEL | 1993 | 
 | RU2109079C1 | 
| STEEL | 2003 | 
 | RU2234554C1 | 
| REFRACTORY MARTENSITIC STEEL | 2013 | 
 | RU2524465C1 | 
| STEEL | 1993 | 
 | RU2108405C1 | 
| RAIL STEEL | 2008 | 
 | RU2397271C2 | 
| HIGH-STRENGTH STEEL | 2011 | 
 | RU2481416C1 | 
| HEAT-RESISTANT AND RADIATION-RESISTANT STEEL | 2016 | 
 | RU2634867C1 | 
| HIGH-STRENGTH NON-MAGNETIC CORROSION-RESISTANT STEEL | 2011 | 
 | RU2454478C1 | 
Authors
Dates
2013-09-27—Published
2012-06-04—Filed