FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy field, particularly to 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 0.7-0.9; niobium 0.4-0.6; zirconium 0.2-0.25; boron 0.2-0.3; stibium 0.005-0.01; sodium 0.0001-0.00015; iron - the rest.
EFFECT: invention usage provides cast iron hardening.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2007 |
|
RU2342454C1 |
| CAST IRON | 2011 |
|
RU2462527C1 |
| CAST-IRON | 2012 |
|
RU2488640C1 |
| CAST IRON | 2006 |
|
RU2359060C2 |
| STEEL | 2008 |
|
RU2361962C1 |
| IRON | 2010 |
|
RU2427661C1 |
| STEEL | 2008 |
|
RU2356994C1 |
| HOT ROLLED STAINLESS STEEL OF HIGH STRENGTH | 2007 |
|
RU2334823C1 |
| CAST IRON | 2006 |
|
RU2306354C1 |
| CAST IRON | 2008 |
|
RU2381288C1 |
