40К27ХНМ alloy with tantalum

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.