Alloy ВЖЛ12У

Designation

Name The value
Designation GOST Cyrillic ВЖЛ12У
Designation GOST Latin BZhL12U
Transliteration VGL12U
By chemical elements ВFeЛ12У

Description

Alloy ВЖЛ12У 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
Bars and shapes В32 OST 1 90126-85

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al V B Ti Mo Pb Bi Nb W Ce Zr Co
OST 1 90126-85 0.14-0.2 ≤0.015 ≤0.015 ≤0.4 8.5-10.5 ≤0.4 Rest ≤2 5-5.7 0.5-1 ≤0.015 4.2-4.7 2.7-3.4 ≤0.001 ≤0.0005 0.5-1 1-1.8 ≤0.02 ≤0.02 12-15
Ni is the basis.
According to OST 1 90126-85 the chemical composition is given for alloy VZhL12U-VI. Boron, cerium and zirconium are introduced by calculation and chemical analysis are not determined. In the alloy, a deflection of boron plus 0.005% is allowed. In the alloy, the presence of unbleached elements is allowed: hafnium is not more than 0.20%.

Mechanical properties

Section, mm σU, MPa d5, % y, %
Alloy ВЖЛ12У-VI for OST 1 90126-85 without heat treatment or Heating to 1200-1220 °C (exposure 4 h), air cooling
≥830 ≥5 ≥7

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
y The relative narrowing