FIELD: metallurgy.
SUBSTANCE: invention relates to the field of ferrous metallurgy, in particular to cast iron compositions. Can be implemented in machine building, machine tool building. Cast iron contains, wt%: carbon 4.2–4.4; silicon 1.0–1.6; manganese 0.5–0.9; copper 1.4–1.8; tin 0.06–0.14; nickel 1.0–1.4; praseodymium 0.15–0.25; erbium 0.15–0.25; boron 0.13–0.17; rest is iron.
EFFECT: cast iron has a high hardness.
1 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2017 |
|
RU2636291C1 |
| CAST IRON | 2008 |
|
RU2367705C1 |
| LOW-ALLOYED CAST IRON | 2011 |
|
RU2450072C1 |
| CAST IRON | 2011 |
|
RU2459881C1 |
| CAST IRON | 2017 |
|
RU2642225C1 |
| IRON | 2010 |
|
RU2416664C1 |
| CAST IRON | 2017 |
|
RU2642223C1 |
| CAST IRON | 2009 |
|
RU2405058C1 |
| CAST IRON | 2011 |
|
RU2447179C1 |
| CAST IRON | 2008 |
|
RU2375488C1 |
