GTD222

GTD222 is a nickel base precipitation hardening equiaxed grain cast superalloy with service temperature below 1000 ℃.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
K4222GTD222

Chemical Composition, %

AlloyCCrNiCoWAlTiNbBTaZrFe
GTD2220.07-0.1321.5-23.5Bal18.0-20.01.7-2.30.9-1.52.0-2.50.6-1.00.005-0.0130.7-1.30.015-0.025

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3Melting Point, ℃Tensile Strength, MPaYield Strength, MPaELongation, %Hardness, HRB
8.268208/

Available Products and Specifications

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

Features

The alloy has medium high temperature strength, good creep and fatigue resistance. The alloy has excellent oxidation resistance and corrosion resistance at high temperature, and has good casting and welding process properties.

Applications

The alloy is suitable for making guide vanes of gas turbines working below 1000 degrees and other stationary parts in long-term service.