Designation
| Name |
The value |
| Designation GOST Cyrillic |
33НК |
| Designation GOST Latin |
33HK |
| Transliteration |
33NK |
| By chemical elements |
33Ni |
| Name |
The value |
| Designation GOST Cyrillic |
33НК-ВИ |
| Designation GOST Latin |
33HK-BI |
| Transliteration |
33NK-VI |
| By chemical elements |
33NiCo-ВIr |
Description
33NK alloy used: for connections with ceramics, mica and glass brand С72−4.
Note
Alloy with an average value of CTE.
Alloy with a CTE (6,0−9,0)·10-6 deg-1 in the temperature range from -70 to + 470 °C.
The grades 33NK, 33NK-VI are not allowed to use in the newly created and upgraded technology with 01.01.91.
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and General rules |
В30 |
GOST 10994-74 |
| Tape |
В34 |
GOST 14080-78 |
| Wire, steel, alloy |
В73 |
GOST 14081-78 |
| Bars and shapes |
В32 |
GOST 14082-78, TU 14-11-245-88 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Si |
Ni |
Fe |
Co |
| GOST 10994-74 |
≤0.05 |
≤0.015 |
≤0.015 |
≤0.4 |
≤0.3 |
32.5-33.5 |
Rest |
16.5-17.5 |
Fe is the basis.
Mechanical properties
| Section, mm |
σU, MPa |
| Cold-rolled steel strip according to GOST 14080-78 on delivery |
| 0.1-2.5 |
≤930 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
Physical characteristics
| Temperature |
r, kg/m3 |
a, 10-6 1/°C |
| 20 |
8200 |
- |
| -100 |
- |
83 |
| -80 |
- |
83 |
| -60 |
- |
82 |
| -40 |
- |
81 |
| -20 |
- |
79 |
| 100 |
- |
83 |
| 200 |
- |
82 |
| 300 |
- |
78 |
| 400 |
- |
76 |
| 500 |
- |
78 |
| 600 |
- |
90 |
| 700 |
- |
101 |
| 800 |
- |
109 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| l |
Coefficient of thermal conductivity |
Technological properties
| Name |
The value |
| The temperature of the inflection point |
≥470 °C |
