FIELD: metallurgy.
SUBSTANCE: invention relates to ferrous metallurgy, in particular to cast iron compositions, which can be used for manufacture of furnaces parts, thermal aggregates, metallurgical equipment. Cast iron contains, mass %: carbon 2.3–3.0; silicon 0.01–0.03; manganese 1.5–2.0; magnesium 0.0003–0.001; aluminum 0.5–0.9; niobium 3.5–5.5; calcium 0.001–0.008; iron – balance.
EFFECT: technical result is high heat resistance.
1 cl, 1 tbl
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| STEEL | 1992 |
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| DIE STEEL | 2017 |
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| CAST IRON | 2017 |
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| CAST IRON | 2016 |
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