Alloy ВХ4Л
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Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ВХ4Л |
| Designation GOST Latin | BX4L |
| Transliteration | VH4L |
| The chemical elements | ВCr4 |
Description
Alloy ВХ4Л used: for the production of cast bar billets (LPZ), intended for subsequent remelting and casting of gas turbine components.
Note
High-temperature casting Nickel-based alloy.
Standards
| Name | Code | Standards |
|---|---|---|
| Sectional and shaped rolling | В32 | OST 1 90126-85 |
| Bars | В55 | TU 1-809-1025-98 |
| Non-ferrous metals, including rare metals, and their alloys | В51 | TU 1-9-612-87 |
Chemical composition
| Standard | C | S | Cr | Si | Ni | Fe | Al | B | Ti | Mo | Nb | Ca | W | Ce | Y |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OST 1 90126-85 | 0.03-0.1 | ≤0.01 | 32-35 | ≤0.3 | The rest | ≤0.5 | 0.7-1.3 | ≤0.008 | 0.7-1.3 | 2.3-3.5 | 0.7-1.3 | ≤0.02 | 4.3-5.5 | ≤0.03 | ≤0.04 |
Ni is the basis.
According to TU 1-809-1025-98 chemical composition is given for the alloy grade ВХ4Л-ВИ. The content of boron and cerium is calculated.
According to OST 1 90126-85 the chemical composition is given for alloy ВХ4Л-ВИ. Boron, cerium, yttrium and calcium are introduced by calculation and chemical analysis are not determined.
According to TU 1-809-1025-98 chemical composition is given for the alloy grade ВХ4Л-ВИ. The content of boron and cerium is calculated.
According to OST 1 90126-85 the chemical composition is given for alloy ВХ4Л-ВИ. Boron, cerium, yttrium and calcium are introduced by calculation and chemical analysis are not determined.
Mechanical characteristics
| Section, mm | σB, MPa | d5, % | kJ/m2, кДж/м2 |
|---|---|---|---|
| Cast rod stock (LPZ) on the other 1-809-1025-98. Alloy ВХ4Л-VI. Heating to 1170-1190 °C (exposure 4 h), air cooling + Ageing at 890-900 °C (aging 16 h), air cooling | |||
| ≥784 | ≥4 | ≥196 | |
| Alloy ВХ4Л-VI for OST 1 90126-85. Quenching with 1165-1195 °C (exposure 4 h), air cooling + Ageing at 890-910 °C (aging 16 h), air cooling | |||
| ≥780 | ≥4 | ≥196 | |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| kJ/m2 | Toughness |
