ХН38ВТ (ЭИ703)

ХН38ВТ (ЭИ703) is a Fe Ni Cr based solid solution strengthening phase deformed superalloy, which is solution strengthened with elements such as chromium and tungsten, and the service temperature is below 900 ℃.

Equivalent Grades

ХН38ВТ (ЭИ703)

Chemical Composition, %


Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3Melting Point, ℃Tensile Strength, MPaYield Strength, MPaELongation, %Hardness, HRB

Available Products and Specifications

Rod, Bar, Wire and ForgingsGOST 5632
Plate, Sheet and Strip
Pipe and Tube
Welding Product


The alloy has high thermal strength, good hot working plasticity, welding and cold forming process.


The alloy has been used to make parts such as turbine engine combustion chamber, turbine outer ring and exhaust device that work for a long time below 900℃. It is suitable for making flame copper, combustion chamber jacket, afterburner, guide ring and other annular parts of various aviation and aerospace engines.