FIELD: metallurgy.
SUBSTANCE: proposed composition contains the following substances, in wt %: carbon - 3.7-4.1, silicon - 0.4-0.8, manganese - 0.4-0.8, chromium - 19.0-21.0, nickel - 4.0-6.0, niobium - 0.1-0.15, zirconium - 0.01-0.03, boron - 0.37-0.43, iron making the rest.
EFFECT: higher strength.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 1992 |
|
RU2012657C1 |
| CAST IRON | 2011 |
|
RU2462527C1 |
| CAST IRON | 2008 |
|
RU2371505C1 |
| CAST IRON | 1992 |
|
RU2012661C1 |
| HYDROGEN RESISTANT STEEL | 2006 |
|
RU2327800C1 |
| CAST IRON | 2007 |
|
RU2333274C1 |
| CAST IRON | 2008 |
|
RU2360028C1 |
| CAST IRON | 2007 |
|
RU2342454C1 |
| CAST IRON | 2006 |
|
RU2313598C1 |
| CAST IRON | 2006 |
|
RU2311477C1 |
