Alloy NK0,2JE
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Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | НК0,2Э |
| Designation GOST Latin | HK0,2E |
| Transliteration | NK02Eh |
| The chemical elements | NiCo0,2Э |
Description
Alloy NK0,2JE used: for the manufacture of semi-finished pipes; tape thickness of 0.05−2.0 mm, used in electronics and other industries; cathodes and other parts of electronic devices; thin-walled tubes.
Note
The alloy NK0,2JE according to ST SEV 1257−78 match the alloy NiSi0,2o. Alloy NK0,2JE has a more narrow limit of the silicon content.
Standards
| Name | Code | Standards |
|---|---|---|
| Pipes from non-ferrous metals and alloys | В64 | GOST 13548-77 |
| Non-ferrous metals, including rare metals, and their alloys | В51 | GOST 19241-80, GOST 28873-90 |
| Tapes | В54 | GOST 2170-73 |
| Wire of non-ferrous metals and their alloys | В74 | GOST 2179-75 |
Chemical composition
| Standard | C | S | P | Mn | Si | Ni | Fe | Cu | As | Al | Zn | Sn | Sb | Pb | Bi | Co | Mg | Cd |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 19241-80 | ≤0.05 | ≤0.003 | ≤0.002 | ≤0.04 | 0.15-0.25 | The rest | ≤0.07 | ≤0.04 | ≤0.002 | ≤0.01 | ≤0.005 | ≤0.002 | ≤0.002 | ≤0.002 | ≤0.002 | ≤0.1 | ≤0.05 | ≤0.002 |
Ni is the basis.
According to GOST 19241-80 the sum of the mass fractions of nickel and cobalt is ≥ 99.40%. The mass of manganese is not more than 0,030%, sulfur is not more than 0,0050%, cadmium, antimony, bismuth, phosphorus and tin - not more than 0.0010% of each element in the alloy NK0.2E used for manufacturing thin-walled tubes. In the alloy obtained by vacuum melting, the mass fraction of zinc should be ≤ 0.0020%, the mass fraction of tin, lead, cadmium, arsenic, antimony, bismuth and phosphorus ≤ 0.0010% of each element (in this case the alloy has the designation HK0, 2EV).
According to GOST 19241-80 the sum of the mass fractions of nickel and cobalt is ≥ 99.40%. The mass of manganese is not more than 0,030%, sulfur is not more than 0,0050%, cadmium, antimony, bismuth, phosphorus and tin - not more than 0.0010% of each element in the alloy NK0.2E used for manufacturing thin-walled tubes. In the alloy obtained by vacuum melting, the mass fraction of zinc should be ≤ 0.0020%, the mass fraction of tin, lead, cadmium, arsenic, antimony, bismuth and phosphorus ≤ 0.0010% of each element (in this case the alloy has the designation HK0, 2EV).
Mechanical characteristics
| σB, MPa | d5, % | d10 |
|---|---|---|
| Tape supplied according to GOST 2170-73 (samples) | ||
| ≥390 | ≥35 | ≥32 |
| ≥440 | ≥12 | ≥10 |
| ≥540 | ≥3 | ≥2 |
Description mechanical marks
| Name | Description |
|---|---|
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| d10 | Elongation after rupture |
