ХН77ТЮР (ЭИ437Б)

ХН77ТЮР (ЭИ437Б) is a Ni Cr Based precipitation hardening deformation superalloy. The service temperature of the alloy is below 750 ℃.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
ХН77ТЮР (ЭИ437Б)

Chemical Composition, %

AlloyCSiMnPSCrNiAlTiFe
ХН77ТЮР ≤0.07≤0.6≤0.4≤0.015≤0.00719.0-22.0Bal0.6-1.02.4-2.8≤1.0

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3Melting Point, ℃Tensile Strength, MPaYield Strength, MPaELongation, %Hardness, HRB
8.211340-1365112078522/

Available Products and Specifications

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

Features

The alloy below 750 ℃ has good comprehensive mechanical properties, high yield strength, good oxidation resistance, stable structure, uniform and fine grain size, and is easy to hot work.

Applications

The alloy is suitable for manufacturing bearing parts such as turbine disk and working blade of aeroengine with temperature below 750 ℃.