ХН78Т (ЭИ435)

ХН78Т (ЭИ435) is a Ni Cr based solid solution strengthened deformed superalloy with service temperature below 800 ℃.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
–	–	ХН78Т (ЭИ435)	–	–	–	–	–	–	–	–

Chemical Composition, %

Alloy	C	Si	Mn	P	S	Cr	Ni	Al	Ti	Fe
ХН78Т	≤0.12	≤0.8	≤0.7	≤0.015	≤0.01	19.0-22.0	Bal	≤0.15	0.15-0.35	≤1.0

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3	Melting Point, ℃	Tensile Strength, MPa	Yield Strength, MPa	ELongation, %	Hardness, HRB
8.4	1374-1420	885	–	40	/

Available Products and Specifications

Rod, Bar, Wire and Forgings	GOST 5632
Plate, Sheet and Strip	–
Pipe and Tube	–
Welding Product	–
Others	–

Features

The alloy has good thermal strength, high plasticity, cold and hot fatigue and oxidation resistance, and has good cold stamping and welding process properties. The alloy is single-phase austenite after solution treatment, and the microstructure temperature during use.

Applications

The alloy is mainly used for turbine engine combustion chamber components working below 800 ℃. High temperature parts requiring oxidation resistance but bearing small load below 1100 ℃.