HEAT-RESISTANT BEARING STEEL Russian patent published in 2012 - IPC C22C38/48 

Abstract RU 2447183 C1

FIELD: metallurgy.

SUBSTANCE: proposed steel comprises carbon, silicon, manganese, nickel, molybdenum, vanadium, nitrogen, sulfur and iron at the following ratio in wt %: carbon - 0.8 - 1.1, silicon - 0.3 - 0.5, manganese - 0.1 - 0.4, chromium - 4.5 - 5.5, tungsten - 1-1.5, nickel - 0.15 0.4, molybdenum - 3.0 - 3.5, vanadium - 0.5 - 1.0, niobium - 0.1-0.3, tantalum - 0.05-0.15, iron making the rest.

EFFECT: higher fatigue strength, flexural strength, impact number and structural uniformity.

2 tbl, 1 ex

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RU 2 447 183 C1

Authors

Kablov Evgenij Nikolaevich

Shal'Kevich Andrej Borisovich

Banas Igor' Pavlovich

Gromov Valerij Igorevich

Utkina Aleksandra Nikolaevna

Korobova Elena Nikolaevna

Vereshchagina Alla Andreevna

Sedov Oleg Vladimirovich

Dates

2012-04-10Published

2011-04-05Filed