Designation
| Name |
The value |
| Designation GOST Cyrillic |
40К27ХНМ с танталом |
| Designation GOST Latin |
40K27XHM c tahtalom |
| Transliteration |
40K27HNM s tantalom |
| By chemical elements |
40Co27CrNiCu с танталом |
Description
40К27ХНМ alloy with tantalum is used: for the manufacture of the sensing contacts of medical equipment and scientific instruments, which meet high requirements to strength and elastic properties of namagnichennosti, corrosion resistance and wear resistance and operating at temperatures up to +100 °C.
Note
The alloy strain-hardening precision with tantalum.
Standards
| Name |
Code |
Standards |
| Tape |
В34 |
TU 14-1-4291-87 |
| Wire, steel, alloy |
В73 |
TU 14-1-4574-89 |
| Bars and shapes |
В32 |
TU 14-1-4575-89 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Fe |
Mo |
Co |
Ta |
| TU 14-1-4291-87 |
≤0.05 |
≤0.02 |
≤0.02 |
1.8-2.2 |
26-28 |
≤0.5 |
Rest |
6.4-7.4 |
39-41 |
1.4-2 |
Co is the basis.
Physical characteristics
| Temperature |
r, kg/m3 |
| 20 |
8650 |
A description of the physical symbols
| Name |
Description |
| r |
Density |
Technological properties
| Name |
The value |
| Features of heat treatment |
Alloy hardened only by quenching, cold plastic deformation and aging. |
| Corrosion resistance |
High corrosion resistance. |
