ХН45МВТЮБР (ЭП718)

ХН45МВТЮБР (ЭП718) is a Fe Ni Cr Based precipitation hardening deformed superalloy with a serviceability of less than 750℃. Chromium, tungsten and molybdenum are added to the alloy for solid solution strengthening, titanium, aluminum and niobium are added to form aging strengthening phase, and trace boron, zirconium and other elements are added to purify and strengthen grain boundaries.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
ХН45МВТЮБР (ЭП718)

Chemical Composition, %

AlloyCSiMnPSCrNiWMoNbAlTiFe
ХН45МВТЮБР≤0.1≤0.3≤0.6≤0.015≤0.0114.0-16.043.0-47.02.5-3.54.0-5.20.8-1.50.9-1.41.9-2.4Bal

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3Melting Point, ℃Tensile Strength, MPaYield Strength, MPaELongation, %Hardness, HRB
8.261320-1365105033/

Available Products and Specifications

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

Features

The alloy has high strength, good plasticity, low expansion coefficient and long-term use of microstructure temperature; The alloy has good hot working plasticity and satisfactory welding, cold forming and cutting properties.

Applications

The alloy is suitable for making plate welded load-bearing structural parts of jet engines working below 700℃, as well as gas turbine rotors and compressor blades working below 600 ℃ for a long time.