FIELD: metallurgy.
SUBSTANCE: proposed composition contains the following substances, in wt %: carbon - 3.0-3.5; silicon - 1.3-1.9; manganese - 0.5-1.0; vanadium - 0.5-0.7; molybdenum - 0.2-0.3; stibium - 0.001-0.002; hafnium - 0.5-0.9; nickel - 0.7-1.3; aluminium - 0.1-0.15; boron - 0.05-0.09; iron making the rest.
EFFECT: higher strength.
1 tbl
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| CAST IRON | 2011 |
|
RU2450077C1 |
| LOW-ALLOY CAST IRON | 2011 |
|
RU2448189C1 |
| CAST IRON | 2009 |
|
RU2392344C1 |
| STEEL | 2011 |
|
RU2478134C1 |
| CAST IRON | 2011 |
|
RU2450075C1 |
| CAST IRON | 2012 |
|
RU2494164C1 |
| LOW-ALLOYED CAST IRON | 2011 |
|
RU2450071C1 |
| CAST IRON | 2008 |
|
RU2372414C1 |
| CAST IRON | 2008 |
|
RU2365662C1 |
| CAST IRON | 2011 |
|
RU2445392C1 |
