FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy field, particularly to compositions of cast iron. Cast iron contains components at a following ratio, wt %: carbon 3.9-4.1; silicon 1.6-1.8; manganese 0.2-0.4; zirconium 0.4-0.5; boron 0.15-0.25; tellurium 0.0003-0.0008; hafnium 1.2-1.8; iron - the rest.
EFFECT: upgraded tensile strength of cast iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2012 |
|
RU2500829C1 |
| LOW-ALLOYED CAST IRON | 2011 |
|
RU2450072C1 |
| CAST IRON | 2006 |
|
RU2318905C1 |
| IRON | 2010 |
|
RU2427661C1 |
| CAST IRON | 2007 |
|
RU2354736C1 |
| CAST IRON | 2012 |
|
RU2500830C1 |
| CAST IRON | 2008 |
|
RU2371505C1 |
| CAST-IRON | 2011 |
|
RU2475556C1 |
| IRON FOR MANUFACTURE OF MOULDS | 2008 |
|
RU2369654C1 |
| STEEL | 2007 |
|
RU2343221C1 |
