FIELD: metallurgy.
SUBSTANCE: iron contains components at following ratio, wt %: carbon 3.0 - 3.5; silicon 2.3 - 2.9; manganese 0.1 - 0.15; chromium 0.1 - 0.15; copper 0.1 - 0.15; REE (rare earth elements) 0.5 - 0.9; strontium 0.005 - 0.01, vanadium 0.3 - 0.4; zirconium 0.03 - 0.07; iron - the rest.
EFFECT: improved quality of ingots out of iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| TOOL STEEL | 2006 |
|
RU2331702C1 |
| CAST IRON | 2007 |
|
RU2355804C1 |
| GRAY CAST IRON | 2008 |
|
RU2356985C1 |
| STRUCTURAL STEEL | 2011 |
|
RU2445396C1 |
| HEAT RESISTANT IRON | 2006 |
|
RU2327764C1 |
| CAST IRON | 2008 |
|
RU2359062C1 |
| STEEL | 2011 |
|
RU2477760C1 |
| HOT ROLLED STAINLESS STEEL OF HIGH STRENGTH | 2007 |
|
RU2334823C1 |
| CAST IRON | 2006 |
|
RU2308525C1 |
| CAST IRON | 2008 |
|
RU2375488C1 |
