Alloy ЛК4
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Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЛК4 |
| Designation GOST Latin | LK4 |
| Transliteration | LK4 |
| The chemical elements | ЛCo4 |
Description
Alloy ЛК4 used: for the production of cast bar billets (LPZ), intended for subsequent remelting and casting parts of aviation technology.
Note
The heat-resistant cast alloy on cobalt basis.
Standards
| Name | Code | Standards |
|---|---|---|
| Non-ferrous metals, including rare metals, and their alloys | В51 | OST 1 90127-85 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Mo | W | Co |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OST 1 90127-85 | 0.15-0.25 | ≤0.025 | ≤0.025 | ≤0.6 | 25-28 | ≤0.5 | 3-3.75 | ≤1.5 | 4.5-5.5 | ≤0.5 | ≥58 |
Co is the basis.
According to OST 1 90127-85 the chemical composition is given for the alloy LK4. In the alloy, in agreement with the consumer, the mass fraction of carbon in the range 0.20-0.30% is allowed.
According to OST 1 90127-85 the chemical composition is given for the alloy LK4. In the alloy, in agreement with the consumer, the mass fraction of carbon in the range 0.20-0.30% is allowed.
