EI598-VI (HN70MVTUB-VI)
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Corrosion-resistant alloys and steels |
Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
B, % |
Mn, % |
Co, % |
Cr, % |
Ti, % |
Cu, % |
Ni, % |
V, % |
Al, % |
Ce, % |
P, % |
C, % |
S, % |
Nb, % |
Mo, % |
W, % |
|---|
| TU 14-1-223-72 |
< 5 |
< 0.6 |
< 0.01 |
< 0.5 |
< 0.5 |
16–19 |
1.9–2.8 |
< 0.07 |
58.655–74.6 |
< 0.2 |
1–1.7 |
< 0.02 |
< 0.015 |
< 0.12 |
< 0.01 |
0.5–1.3 |
4–6 |
2–3.5 |
Information on suppliers
Properties
| Property |
|---|
| Products according to GOST 23705 Samples from heat-treated blanks Temperature: 20 ° C; Hardness HB: 299 - 341 Diameter of the print: 3.3 - 3.7 mm |
| Products according to GOST 23705 Samples from heat-treated blanks Temperature: 800 ° C; Tensile strength:> 690 MPa Elongation:> 6% Relative narrowing:> 10% |
| Products according to GOST 23705 Samples from heat-treated workpieces Long-term strength test Temperature: 800 ° C; 50h long-term tensile strength: 275 MPa |
| Products according to GOST 23705 Samples from heat-treated blanks Vacuum-arc remelting Temperature: 20 ° С; Hardness HB: 299 - 341 Diameter of the print: 3.3 - 3.7 mm |
| Products according to GOST 23705 Samples from heat-treated blanks Vacuum-arc remelting Temperature: 800 ° С; Tensile strength:> 690 MPa Elongation:> 10% Relative narrowing:> 14% |
| Products according to GOST 23705 Samples from heat-treated blanks Vacuum arc remelting Long-term strength test Temperature: 800 ° C; 55h long-term tensile strength: 275 MPa |
| According to TU 14-1-223-72 Note Heating 1190-1210 ° C, holding for 5 hours, cooling in air Heating 1060-1080 ° C, holding for 8 hours, cooling in air Aging 790-810 ° C, 16 h, cooling in air |
| According to TU 14-1-223-72-VD Temperature: 800 ° C; Tensile strength:> 690 MPa Elongation:> 10% Relative narrowing:> 14% Long-term strength for 55 h: 270 MPa |
| According to TU 14-1-223-72 -VI Temperature: 800 ° C; Tensile strength:> 690 MPa Elongation:> 10% Relative narrowing:> 14% Long-term strength for 50 h: 270 MPa |
| According to TU 14-1-223-72 Hardness Imprint diameter: 3.3 - 3.7 mm |
| Calculated Properties Density: 8.68 g / cm3 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| B |
% |
Bor |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| V |
% |
Vanadium |
| Al |
% |
Aluminium |
| Ce |
% |
Cerium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |