BOTS8
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard | Fe, % | Si, % | Sn, % | Mg, % | Cu, % | Zn, % | Ni, % | Sb, % | Al, % | Pb, % | As, % | P, % | S, % | Примеси, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 2171-90 | < 0.3 | < 0.02 | 7–9 | < 0.02 | 80.59–89 | 4–6 | < 2 | < 0.3 | < 0.02 | < 0.5 | < 0.15 | < 0.05 | < 0.05 | < 1 |
Note: Cu: Cu + Ni
Note: Si + Al < 0.020
Note: For parts not working under pressure, it is allowed: Al < 0.05 ; Si < 0.05
Note: By agreement:Pb < 1.5
Note: For welded structures:Pb < 0.05
Information on suppliers
Analogues
| USA |
|---|
| 88-8-0-4 |
Standards
| Standard | Description |
|---|---|
| GOST 2171-90 | GOST 2171-90 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Примеси | % | Impurities |
| Si | % | Silicon |
| Sn | % | Tin |
| Mg | % | Magnesium |
| Cu | % | Copper |
| Zn | % | Zinc |
| Ni | % | Nickel |
| Sb | % | Antimony |
| Al | % | Aluminium |
| Pb | % | Lead |
| As | % | Arsenic |
| P | % | Phosphorus |
| S | % | Sulfur |