T20 (BT20)
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Ti, % |
V, % |
Zr, % |
Al, % |
C, % |
O, % |
Mo, % |
N, % |
H, % |
OE, % |
|---|
| GOST 2171-90 |
< 0.25 |
< 0.15 |
84.985–91.7 |
0.8–2.5 |
1.5–2.5 |
5.5–7 |
< 0.1 |
< 0.15 |
0.5–2 |
< 0.05 |
< 0.015 |
< 0.3 |
Information on suppliers
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| OE |
% |
Other items |
| Si |
% |
Silicon |
| Ti |
% |
Titan |
| V |
% |
Vanadium |
| Zr |
% |
Zirconium |
| Al |
% |
Aluminium |
| C |
% |
Carbon |
| O |
% |
Oxygen |
| Mo |
% |
Molybdenum |
| N |
% |
Nitrogen |
| H |
% |
Hydrogen |