EI268L (268L)
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant alloys |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ti, % |
Cu, % |
Ni, % |
V, % |
Al, % |
P, % |
C, % |
S, % |
Mo, % |
N, % |
W, % |
|---|
| OST 1 90090-79 |
74.8–81.05 |
0.8–1.5 |
0.3–0.8 |
15–18 |
< 0.05 |
< 0.3 |
2.8–3.8 |
< 0.05 |
< 0.1 |
< 0.025 |
0.05–0.1 |
< 0.025 |
< 0.2 |
< 0.05 |
< 0.2 |
Information on suppliers
Properties
| Property |
|---|
| According to OST 1 90090-79 Option 1 Note Quenching 1040 - 1060 ° С, cooling in oil or liquid glass solution (1.1 - 1.5g / cm3) Tempering 540-560 ° С, 3 h., Air cooling |
| According to OST 1 90090-79 Option 1 Impact strength KCU at 20 ° C:> 25 J / cm2 Relative narrowing:> 20% Diameter of imprint: 3.2 - 3.8 mm |
| Option 2 Note Quenching 1040 - 1060 ° С, cooling in oil or liquid glass solution (1.1 - 1.5 g / cm3) Holidays 670-690 ° С, 3 h., Air cooling |
| Option 2 Note Yield Strength:> 640 MPa Tensile Strength:> 837 MPa Elongation:> 8% |
| According to OST 1 90090-79 Option 2 Impact strength KCU at 20 ° C:> 25 J / cm2 Relative narrowing:> 20% Diameter of imprint: 3.4 - 4.0 mm |
| Calculated Properties Density: 7.74 g / cm3 |
Analogues
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| V |
% |
Vanadium |
| Al |
% |
Aluminium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |
| N |
% |
Nitrogen |
| W |
% |
Tungsten |