| 摘要 |
FIELD: metallurgy.SUBSTANCE: alloy contains, wt %: carbon 0.02-0.10, chrome 9.0-11.0, cobalt 14.0-16.0, tungsten 4.2-5.8, molybdenum 4.5-5.0, titanium 3.0-3.9, aluminium 3.2-4.5, niobium 2.5-3.5, hafnium 0.05-0.5, boron 0.005-0.05, zirconium 0.001-0.05, magnesium 0.001-0.05, scandium 0.001-0.05, manganese 0.001-0.5, silicon 0.001-0.5, iron 0.001-1.0, nickel - balance, at the same time the total content of titanium, molybdenum, niobium not lower than chrome content.EFFECT: alloy is characterised by high characteristics of fire resistance, resistance to sulfide corrosion and resistance of MCU under conditions of action of aggressive medium.2 cl, 1 tbl, 1 ex |
