COMPOSITIONS OF WEAR-RESISTANT IRON-BASED ALLOYS INCLUDING CHROMIUM Russian patent published in 2021 - IPC C22C38/56 B23K9/04 C22C33/02 

FIELD: metallurgy.

SUBSTANCE: invention relates to the field of metallurgy, namely, to iron-based alloys used as a material for surface hardening of tools subjected to abrasive wear, wear under the impact of shock loads and erosion. The alloy comprises, in wt.%: boron 1.6 to 2.4, carbon 2.2 to 3.0, chromium 3.5 to 5.0, manganese less than 0.8, molybdenum 16.0 to 19.5, nickel 1.0 to 2.0, silicon 0.2 to 2.0, vanadium 10.8 to 13.2, the rest iron and impurities, wherein the total amount of impurities amounts to less than 1 wt.%.

EFFECT: high wear resistance in conditions of combined wear is achieved.

15 cl, 8 dwg, 8 tbl