FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy field, particularly to content of cast iron. Cast iron contains components in a following ratio, wt %: carbon 3.0-3.5; silicon 1.0-1.5; manganese 0.8-1.2; nickel 5.2-5.4; copper 1.4-1.8; chrome 0.3-0.5; molybdenum 0.5-0.9; magnesium 0.002-0.004; vanadium 0.7-1.1; boron 0.01-0.05; sodium 0.0001-0.00014; cerium 0.4-0.5; niobium 0.9-1.3; iron - the rest.
EFFECT: usage of invention provides hardening of cast iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STEEL | 2011 |
|
RU2478134C1 |
| IRON | 2007 |
|
RU2334808C1 |
| CAST IRON | 2006 |
|
RU2320764C1 |
| CAST IRON | 2011 |
|
RU2448191C1 |
| STEEL | 2008 |
|
RU2361962C1 |
| STEEL | 2007 |
|
RU2331708C1 |
| CAST IRON | 2006 |
|
RU2308523C1 |
| CAST IRON | 2006 |
|
RU2334011C1 |
| TOOL STEEL | 2006 |
|
RU2327803C1 |
| STEEL | 2007 |
|
RU2339730C1 |
