Alloy ЖС3ДК

Designation

Name The value
Designation GOST Cyrillic ЖС3ДК
Designation GOST Latin ZhC3DK
Transliteration GS3DK
By chemical elements FePb3Д

Description

Alloy ЖС3ДК 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
Non-ferrous metals, including rare, and their alloys В51 OST 1 90127-85
Bars В55 TU 1-92-12-75

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al B Ti Mo W Ce Co
OST 1 90126-85 0.06-0.11 ≤0.01 ≤0.015 ≤0.4 11-12.5 ≤0.4 Rest ≤2 4-4.8 ≤0.02 2.5-3.2 3.8-4.5 3.8-4.5 ≤0.02 8-10
OST 1 90127-85 0.07-0.12 ≤0.01 ≤0.015 ≤0.4 11-14 ≤0.4 Rest ≤2 4-4.8 0.01-0.02 2.5-3.2 3.5-5 3.5-5 0.01-0.02 6.5-10
Ni is the basis.
According to OST 1 90126-85 the chemical composition is given for the alloy ZhS3DK-VI. Boron and cerium are introduced by calculation and chemical analysis are not determined. In the alloy, the mass fraction of cobalt may be increased to 11.0%.
According to OST 1 90127-85 the chemical composition is given for the alloy ZhS3DK. Boron and cerium are introduced into the metal by calculation and chemical analysis are not determined.

Mechanical properties

Section, mm σU, MPa d5, % KCU, kJ/m2
Heating to 1195-1225 °C (vyderžen 3-4 hours), air cooling (OST 1 90126-85)
≥930 ≥7 ≥294
Heating to 1195-1225 °C (vyderžen 4 h), cooling air OST 1 90127-85
≥880 ≥5 -

Description mechanical marks

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