Alloy ЭП539ЛМУ
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Alloy EP539LMU
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Alloy KhN53KVMTYUB (EP741P)
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Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЭП539ЛМУ |
| Designation GOST Latin | EP539LMU |
| Transliteration | EhP539LMU |
| The chemical elements | - |
Description
Alloy ЭП539ЛМУ used: for the production of cast bar billets (LPZ), intended for subsequent remelting and casting of gas turbine components.
Note
High-temperature Nickel-based alloy.
Standards
| Name | Code | Standards |
|---|---|---|
| Bars | В55 | TU 1-809-1025-98 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | N | Al | B | Ti | Mo | Pb | Bi | Nb | W | Ce | O | Co | Y |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 1-809-1025-98 | 0.08-0.14 | ≤0.01 | ≤0.015 | ≤0.3 | 15.7-17.1 | ≤0.3 | The rest | ≤1 | ≤0.008 | 3.2-4 | 0.015-0.02 | 2.2-3 | 1.5-2.4 | ≤0.001 | ≤0.0005 | 1.2-1.8 | 3.5-5 | ≤0.02 | ≤0.005 | 4-6 | ≤0.04 |
Ni is the basis.
According to TU 1-809-1025-98 chemical composition is given for the alloy grade EP539LMU-VI. The total content of Aluminum + Titanium = 5.50-6.40%.
According to TU 1-809-1025-98 chemical composition is given for the alloy grade EP539LMU-VI. The total content of Aluminum + Titanium = 5.50-6.40%.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|
| Cast rod stock (LPZ). Alloy ЭП539ЛМУ-VI. Heating to 1170-1190 °C, exposure 4 hours, air cooling or Heating to 840-860 °C, exposure 24 h, air cooling | ||||
| ≥617 | ≥725 | ≥3 | ≥147 | |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| kJ/m2 | Toughness |
