Alloy ВЖЛ18
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Alloy KhN53KVMTYUB (EP741P)
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Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ВЖЛ18 |
| Designation GOST Latin | BZhL18 |
| Transliteration | VGL18 |
| The chemical elements | ВFeЛ18 |
Description
Alloy ВЖЛ18 used: for the production of cast bar billets (LPZ), intended for subsequent remelting and casting parts blades and other shaped castings of gas turbine components.
Note
High-temperature casting Nickel-based alloy.
Standards
| Name | Code | Standards |
|---|---|---|
| Sectional and shaped rolling | В32 | OST 1 90126-85 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Al | B | Ti | Mo | Pb | Bi | Nb | W | Ce | Zr | Co |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OST 1 90126-85 | 0.1-0.15 | ≤0.015 | ≤0.015 | ≤0.4 | 17-18 | ≤0.4 | The rest | ≤1 | 3.4-4 | ≤0.06 | 2.2-3 | 4.5-6 | ≤0.001 | ≤0.0005 | 1.2-1.8 | 2.5-4 | ≤0.02 | ≤0.02 | 4-6 |
Ni is the basis.
According to OST 1 90126-85 the chemical composition is given for alloy VZhL18-VI. Boron, cerium and zirconium are introduced by calculation and chemical analysis are not determined. In the alloy, a chromium deflection of minus 0.50% is allowed.
According to OST 1 90126-85 the chemical composition is given for alloy VZhL18-VI. Boron, cerium and zirconium are introduced by calculation and chemical analysis are not determined. In the alloy, a chromium deflection of minus 0.50% is allowed.
Mechanical characteristics
| Section, mm | σB, MPa | d5, % | y, % |
|---|---|---|---|
| Alloy ВЖЛ18-VI for OST 1 90126-85. Heating to 1170-1190 °C (exposure 3.5 h), air cooling + Ageing at 940-960 °C (speed of 3.5-4.0 h), air cooling | |||
| ≥880 | ≥2 | ≥2 | |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
