FIELD: metallurgy.
SUBSTANCE: invention concerns metallurgy field. Particularly it concerns cast iron content. Cast iron contains components in a following ratio, wt %: carbon 3.0-3.6; silicon 1.0-1.2; manganese 0.4-0.8; chrome 16.0-20.0; nickel 2.2-2.6; niobium 0.8-1.2; zirconium 0.8-1.2; boron 0.2-0.3; iron - the rest.
EFFECT: increasing of cast iron hardness.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2008 |
|
RU2360028C1 |
| CAST IRON | 2011 |
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| CAST IRON | 2006 |
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RU2313598C1 |
| CAST IRON | 2006 |
|
RU2359060C2 |
| CAST IRON | 2012 |
|
RU2481413C1 |
| CAST IRON | 2017 |
|
RU2643774C1 |
| CAST IRON | 1992 |
|
RU2012661C1 |
| CAST IRON | 1992 |
|
RU2012656C1 |
| CAST IRON | 1992 |
|
RU2012657C1 |
| IRON | 2006 |
|
RU2327772C2 |
