Alloy ЧС104

Designation

Name The value
Designation GOST Cyrillic ЧС104
Designation GOST Latin ChC104
Transliteration ChS104
By chemical elements ЧPb104

Description

Alloy ЧС104 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 Cu N As Al B Ti Mo Sb Pb Bi Nb W O Zr Co Y La
TU 1-809-1025-98 0.07-0.14 ≤0.008 ≤0.008 ≤0.3 20-21.8 ≤0.3 Rest ≤0.5 ≤0.1 ≤0.01 ≤0.0005 2.1-2.9 0.01-0.015 3.1-3.9 0.3-0.9 ≤0.0005 ≤0.001 ≤5.0E-5 0.15-0.35 3-4 ≤0.003 ≤0.03 10.3-12 ≤0.03 ≤0.02
Ni is the basis.
According to TU 1-809-1025-98 the chemical composition is given for the alloy grade ChS104-VI. In the alloy ChS104-VI, the content of selenium, tellurium and thallium is determined; The results of the analysis are recorded in the certificate, but they are not delivery.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
Cast rod stock (LPZ). Alloy ЧС104-VI. Heating to the 1140-1160 °C, exposure 2 h, cooling at a speed of 3-10 °C/min up to 1000 °C, then air cooling or Heating to 990-1010 °C, exposure to 2 h, air cooling or Heating to 840-860 °C, exposure time of 16-20 h, air cooling
≥441 ≥589 ≥5

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