Alloy 16ХНКГМБ (ЭП899)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
16ХНКГМБ |
| Designation GOST Latin |
16XHKGMB |
| Transliteration |
16HNKGMB |
| The chemical elements |
16CrNiCoGeCuBe |
| Name |
The value |
| Designation GOST Cyrillic |
ЭП899 |
| Designation GOST Latin |
EP899 |
| Transliteration |
EhP899 |
| The chemical elements |
- |
Description
Alloy 16ХНКГМБ used: for the manufacture of steam turbine blades, valves, parts with high ductility, load and operating at temperatures up to 450−500 °C; products exposed to slightly aggressive media at room temperature; the various parts of aviation.
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and general norms |
В20 |
OST 1 90005-91 |
| Steel alloy wire |
В73 |
TU 1-92-171-90 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Al |
B |
Ti |
Mo |
Nb |
Ce |
Co |
| TU 1-92-171-90 |
≤0.05 |
≤0.02 |
≤0.01 |
0.8-1.2 |
15-16 |
≤0.3 |
6.5-7.5 |
The rest |
0.3-0.5 |
≤0.01 |
0.5-1 |
2.3-2.9 |
0.3-0.5 |
≤0.05 |
3-3.5 |
Fe is the basis.
Mechanical characteristics
| σB, MPa |
HRC |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 |
| 1470-1615 |
48-50 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
