Designation
| Name |
The value |
| Designation GOST Cyrillic |
45Х14Н14СВ2М |
| Designation GOST Latin |
45X14H14CB2M |
| Transliteration |
45H14N14SV2M |
| By chemical elements |
45Cr14Н14СW2Mo |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ240 |
| Designation GOST Latin |
EI240 |
| Transliteration |
EhI240 |
| By chemical elements |
- |
Description
45Х14Н14СВ2М steel is used: for the production of parts fittings and piping, valves, motors, special fasteners for operation at temperatures up to +600 °C — long, up to +650 °C — short-term.
Note
Steel heat-resistant austenitic class.
Standards
| Name |
Code |
Standards |
| Blanks. Of the workpiece. Slabs |
В21 |
OST 1 90176-75 |
| Bars and shapes |
В32 |
TU 14-1-1671-76 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Ti |
Mo |
W |
| TU 14-1-1671-76 |
0.4-0.5 |
≤0.02 |
≤0.03 |
≤0.7 |
13-15 |
2.8-3.2 |
12-15 |
Rest |
≤0.02 |
0.25-0.4 |
1.8-2.8 |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
| Forming at OST 1 90176-75. Without heat treatment |
|
≥392 |
≥687 |
≥20 |
≥35 |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
