PR-HX7S4R3
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
B, % |
Cr, % |
Ni, % |
P, % |
C, % |
S, % |
O, % |
|---|
| TU 14-22-33-90 |
< 5 |
3.5–4 |
2.5–3.2 |
6–7.5 |
79.57–87.7 |
< 0.04 |
0.3–0.6 |
< 0.04 |
< 0.05 |
Information on suppliers
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| B |
% |
Bor |
| Cr |
% |
Chrome |
| Ni |
% |
Nickel |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| O |
% |
Oxygen |