EI639 (67Н26М, NIMO-25)
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Ni, % |
P, % |
C, % |
S, % |
Mo, % |
|---|
| TU 14-1-1144-74 |
2.175–9 |
< 0.25 |
< 0.5 |
62.175–72.825 |
< 0.02 |
< 0.035 |
< 0.02 |
25–28 |
Information on suppliers
Properties
| Property |
|---|
| Calculated Properties Density: 9.18 g / cm3 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Ni |
% |
Nickel |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |