Alloy ВХ9Л

Designation

Name The value
Designation GOST Cyrillic ВХ9Л
Designation GOST Latin BX9L
Transliteration VH9L
By chemical elements ВCr9

Description

Alloy ВХ9Л 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 Nickel-based alloy.

Standards

Name Code Standards
Bars and shapes В32 OST 1 90126-85

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al B Ti Mo Nb Ca W Co Y
OST 1 90126-85 0.02-0.1 ≤0.01 ≤0.015 ≤0.5 30-35 ≤0.4 Rest ≤6 1-1.6 ≤0.005 0.7-1.3 2.9-3.5 0.7-1.3 ≤0.02 4.7-5.3 0.2-0.8 ≤0.04
Ni is the basis.
According to OST 1 90126-85 the chemical composition is given for alloy VX9L-VI. Boron, yttrium and calcium are introduced by calculation and chemical analysis are not determined.

Mechanical properties

Section, mm σU, MPa d5, %
Alloy ВХ9Л-VI for OST 1 90126-85. Quenching with 1150-1170 °C (extract 3 hours), air cooling + Ageing at 940-960 °C (exposure 2 hours), air cooling
≥780 ≥5

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture