FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy field, particularly to composition of cast irons. Cast iron contains components in a following correlation, wt %: carbon 2.8-3.2; silicon 2.8-3.2; manganese 0.3-0.5; copper 2.8-3.2; molybdenum 0.8-1.2; nickel 3.7-4.1; tantalum 0.8-1.2; cobalt 3.7-4.1; selenium 0.001-0.0015; boron 0.05-0.1; iron - the rest.
EFFECT: hardening of cast iron for breackage.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| IRON | 2010 |
|
RU2427661C1 |
| CAST IRON | 2008 |
|
RU2361000C1 |
| CAST IRON | 2008 |
|
RU2372414C1 |
| CAST IRON | 2011 |
|
RU2445392C1 |
| CAST IRON | 2011 |
|
RU2450075C1 |
| CAST IRON | 2006 |
|
RU2308524C1 |
| LOW-ALLOYED CAST IRON | 2011 |
|
RU2450071C1 |
| IRON | 2006 |
|
RU2326972C1 |
| CAST IRON | 2007 |
|
RU2342453C1 |
| CAST IRON | 2011 |
|
RU2459881C1 |
