FIELD: manufacture of equipment for petroleum refining industry.
SUBSTANCE: proposed steel contains the following constituents, mass-%: carbon, 0.2-0.4; silicon, 0.2-0.4; manganese, 0.3-0.8; chromium, 15.0-20.0; nickel, 2.0-2.5; copper, 0.3-0.8; nitrogen, 0.03-0.08; titanium, 0.1-0.2; niobium, 0.3-0.8; rare-earth metals, 0.2-0.4; magnesium, 0.03-0.08; molybdenum, 3.0-4.0; cobalt, 0.3-0.8; the remainder being iron.
EFFECT: enhanced strength of steel.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STEEL | 2006 |
|
RU2318069C1 |
| STAINLESS STEEL | 2006 |
|
RU2318072C1 |
| STEEL | 2006 |
|
RU2313616C1 |
| STEEL | 2006 |
|
RU2332516C1 |
| CAST IRON | 2007 |
|
RU2333282C1 |
| STRUCTURAL STEEL | 2011 |
|
RU2445396C1 |
| STEEL | 2006 |
|
RU2307201C1 |
| TOOL STEEL | 2007 |
|
RU2339729C2 |
| STEEL | 2006 |
|
RU2312929C1 |
| STEEL | 2006 |
|
RU2308533C1 |
