EP741-ID
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
B, % |
Mn, % |
Co, % |
Cr, % |
Ti, % |
Ni, % |
Zr, % |
Al, % |
Ce, % |
P, % |
C, % |
S, % |
Nb, % |
Mo, % |
W, % |
Hf, % |
Ge, % |
|---|
| TU 14-131-369-77 |
< 0.5 |
< 0.5 |
< 0.015 |
< 0.5 |
15–16.5 |
8–10 |
1.3–1.8 |
52.81–61.05 |
< 0.015 |
4.75–5.15 |
< 0.01 |
< 0.015 |
< 0.06 |
< 0.015 |
1.2–1.6 |
2.2–3 |
6.5–7.2 |
< 0.3 |
< 0.01 |
Information on suppliers
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| B |
% |
Bor |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Ni |
% |
Nickel |
| Zr |
% |
Zirconium |
| Al |
% |
Aluminium |
| Ce |
% |
Cerium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |
| Hf |
% |
Hafnium |
| Ge |
% |
Germanium |