HEAT-RESISTANT NICKEL-BASED ALLOY AND PRODUCTS MADE FROM IT Russian patent published in 2023 - IPC C22C19/05 

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy, namely to the compositions of heat-resistant low-carbon chromium-nickel alloys, and can be used in the manufacture by deformation and welding of power units, parts of power engineering and turbine building, solid-rolled rings for various purposes, operating at high temperatures of 700-800°C. Nickel-based heat-resistant alloy contains, wt.%: carbon 0.05-0.10, silicon 0.0005-0.39, manganese 0.0005-0.49, chromium 17.50-20.05, titanium 1, 00-1.40, aluminum 1.90-2.30, tungsten 5.50-7.50, molybdenum 4.00-6.00, vanadium 0.0005-0.10, niobium 0.0005-0.10 , magnesium 0.0005-0.03, cerium 0.0005-0.03, boron 0.0005-0.008, iron - no more than 4.00, sulfur - no more than 0.015, phosphorus - no more than 0.015, lead - no more 0.010, tin - no more than 0.010, arsenic - no more than 0.010, zinc - no more than 0.010, copper - no more than 0.20, nickel - base.

EFFECT: alloy is characterized by high mechanical properties, including high long-term strength.

3 cl, 1 tbl