FIELD: metallurgy.
SUBSTANCE: proposed composition contains the following substances, in wt %: carbon 0.07 - 0.09, silicon 0.01 - 0.03, manganese 0.03 - 0.05, cerium 1.0 - 1.3, yttrium - 1.0-4.6, calcium 0.0008 - 0.001, aluminium - 0.3 - 0.4, titanium - 0.003 - 0.005, boron - 0.001 - 0.002, nickel - 0.09 - 0.002, iron making the rest.
EFFECT: higher ductility.
1 tbl
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