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	σ_U, 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
σ_U	Limit short-term strength
d₅	Elongation after rupture
KCU	Toughness