Alloy ХН65ВМЮТЛ (ЭИ893Л)

Designation

Name The value
Designation GOST Cyrillic ХН65ВМЮТЛ
Designation GOST Latin XH65BMJuTL
Transliteration HN65VMYuTL
By chemical elements CrNi65ВCuAlTe
Name The value
Designation GOST Cyrillic ЭИ893Л
Designation GOST Latin EI893L
Transliteration EhI893L
By chemical elements -

Description

Alloy ХН65ВМЮТЛ used: for manufacturing by investment casting casting parts of gas turbines and axial compressors operating at temperatures up to +800 °C; the production of cast bar billets (LPZ), intended for subsequent remelting and casting of gas turbine components.

Note

The heat resisting alloy on Nickel basis.

Standards

Name Code Standards
Steel castings В82 OST 108.961.04-80, TU 108.02.117-86
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 W Ce O Co
TU 1-809-1025-98 0.01-0.05 ≤0.012 ≤0.015 ≤0.5 15-17 ≤0.6 Rest ≤3 ≤0.008 1.4-1.7 0.005-0.01 1.3-1.6 3.5-4.5 ≤0.001 ≤0.0005 8.5-10 ≤0.025 ≤0.006 ≤0.5
OST 108.961.04-80 ≤0.05 ≤0.012 ≤0.015 ≤0.5 15-17 ≤0.6 Rest ≤3 - 1.4-1.7 ≤0.01 1.3-1.6 3.5-4.5 - - 8.5-10 ≤0.025 - -
Ni is the basis.
According to TU 1-809-1025-98, the chemical composition is given for the alloy grade KhN65VMYUTL-VI (EI893L-VI).

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
Cast rod stock (LPZ). Alloy ХН65ВМЮТЛ-VI (ЭИ893Л-VI). Heating to 1170-1190 °C, exposure 4 hours, air cooling or Heating to 840-860 °C, exposure 12 h, air cooling
≥461 ≥589 ≥14 ≥14 ≥285 -
Casting parts of gas turbines. Austenization at 1180 °C (extract 3 hours) air cooling + ageing at 1000 °C (extract 3 hours), air cooling + ageing at 900 °C (exposure 8 h), air cooling + ageing at 850 °C (exposure 8 h), air cooling or Austenization at 1180 °C, air cooling + ageing at 850-900 °C (extract 15 h), air cooling
- ≥490 ≥638 ≥12 ≥15 - 270-290

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
KCU Toughness
HB Brinell hardness number