EP337 (HN40B)
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Co, % |
Cr, % |
Ni, % |
P, % |
C, % |
S, % |
Nb, % |
N, % |
|---|
| TU 14-1-1213-75 |
34.365–41.15 |
< 0.1 |
1.5–2.5 |
< 0.02 |
18–20 |
35.215–45.785 |
< 0.01 |
< 0.2 |
< 0.015 |
0.35–0.75 |
< 0.04 |
Information on suppliers
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| Ni |
% |
Nickel |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| N |
% |
Nitrogen |