ХН70Ю (ЭИ652)

ХН70Ю (ЭИ652) is a Ni Cr Based precipitation hardening deformation superalloy, which is used in the solid solution state at a temperature below 1100 ℃.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
–	–	ХН70Ю (ЭИ652)	–	–	–	–	–	–	–	–

Chemical Composition, %

Alloy	C	Si	Mn	P	S	Cr	Ni	Al	Fe
ХН70Ю	≤0.1	≤0.8	≤0.3	≤0.015	≤0.012	26.0-29.0	Bal	2.8-3.5	≤1.0

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3	Melting Point, ℃	Tensile Strength, MPa	Yield Strength, MPa	ELongation, %	Hardness, HRB
7.97	1355-1380	895	–	35	/

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 excellent oxidation and corrosion resistance, medium tensile and lasting strength, good forming process and machining properties, and good microstructure stability.

Applications

The alloy is suitable for making combustion chambers and heat shields of aeroengines below 1100℃. In the field of civil industry, it can be used to make high-temperature device parts below 1200 ℃.