Iron-Nickel Alloy 42NA-VI
in electric vacuum equipment; TECL * 1,000,000 in the temperature range from -70 to +340 ºC no more than 4.5−5.5 [1 / ºC]. Technical requirements — according to the Standard Name GOST 10994−74 Precision alloys. Stamps. GOST 14080−78 Tape from precision alloys with specified temperature coefficients of linear expansion. Technical conditions
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Precision alloys | With given TCLE |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Ni, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|
| GOST 10994-74 | 57.254–58.4 | < 0.15 | < 0.05 | 41.5–42.5 | < 0.006 | < 0.03 | < 0.01 |
Information on suppliers
Mechanical properties at 20 °C
Analogues
| Germany | USA |
|---|---|
| 1.3917 (Ni42) | Invar 42 |
Standards
| Standard | Description |
|---|---|
| GOST 10994-74 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\epsilon_L$$ | % | Elongation at break (longitudinal) |