Alloy ВТ4
Designation
Description
Alloy ВТ4 used: for the production of parts for various purposes, operating at temperatures up to 400 °C.
Note
Alloy with high corrosion resistance.
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ВТ4 |
| Designation GOST Latin | BT4 |
| Transliteration | VT4 |
| By chemical elements | ВTe4 |
Alloy ВТ4 used: for the production of parts for various purposes, operating at temperatures up to 400 °C.
Alloy with high corrosion resistance.
| Name | Code | Standards |
|---|---|---|
| Non-ferrous metals, including rare, and their alloys | В51 | OST 1 90000-70 |
| Bars | В55 | OST 1 90107-73 |
| Sheets and strips | В53 | TU 14-1-3444-82 |
| Section, mm | σU, MPa | d5, % | y, % | KCU, kJ/m2 | HB, MPa |
|---|---|---|---|---|---|
| Forgings weighing up to 200 kg after annealing | |||||
| 101-250 | 785-1030 | ≥8 | ≥18 | ≥294 | 241-321 |
| 100 | 834-1030 | ≥10 | ≥30 | ≥343 | 241-321 |
| Forged square bars and round after annealing | |||||
| 140-250 | 785-1030 | ≥8.5 | ≥20 | ≥294 | 241-321 |
| 804-1030 | ≥9 | ≥25 | ≥294 | 241-321 | |
| Name | Description |
|---|---|
| σU | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| KCU | Toughness |
| HB | Brinell hardness number |