EI723
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant alloys |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Cu, % |
Ni, % |
V, % |
P, % |
C, % |
S, % |
Mo, % |
|---|
| TU 14-1-552-72 |
93.685–95.91 |
0.17–0.37 |
0.4–0.7 |
2.1–2.6 |
< 0.3 |
< 0.4 |
0.3–0.5 |
< 0.03 |
0.22–0.29 |
< 0.025 |
0.9–1.1 |
Information on suppliers
Properties
| Property |
|---|
| According to TU 14-1-552-72 Note Normalization 1030-1050 ° С, normalization 950-970 ° С, tempering 680 -720 ° С, air cooling |
| According to TU 14-1-552-72 Yield strength: 780 MPa Tensile strength: 670 MPa Elongation: 12% Impact strength KCU at 20 ° C: 49 J / cm2 Relative narrowing: 50% |
| Operational characteristics According to GOST R 54803-2011 Nuts Application temperature: -40 - 540 ° C |
| Operational characteristics According to GOST R 54803-2011 Washers Application temperature: -70 - 540 ° C |
| Performance characteristics According to GOST R 54803-2011 Studs Application temperature: -50 - 540 ° C |
| Calculated Properties Density: 7.84 g / cm3 |
Analogues
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| V |
% |
Vanadium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |