EP666 (HN55MBU, HN63M9B2Y)
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ni, % |
Al, % |
P, % |
C, % |
S, % |
Nb, % |
Mo, % |
N, % |
|---|
| TU 14-1-1213-75 |
10.5–15 |
< 0.5 |
< 0.8 |
16.5–18.5 |
50.78–61.8 |
1.2–1.8 |
< 0.015 |
< 0.06 |
< 0.015 |
1.5–2.5 |
8.5–10 |
< 0.03 |
Information on suppliers
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Ni |
% |
Nickel |
| Al |
% |
Aluminium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| Mo |
% |
Molybdenum |
| N |
% |
Nitrogen |