Alloy Grade UNS: GTD 222® – Cast Nickel-Based Alloy

  • Overview

    GTD-222 is a replacement for FSX-414. It is a cast nickel-based alloy used in land-based gas turbine engines. It is a relatively new alloy developed by GE. It has excellent tensile strength. The 22% chromium also improves corrosion resistance.

  • Typical Uses

    Turbine engine components.

  • MetalTek Grade

    GTD 222®

Similar Specifications

Typical Chemical Composition (% by wt.)

Aluminum: n/a

Carbon: 0.08-0.12

Chromium: 22.2-22.8

Manganese: 0.1

Iron: n/a

Copper: n/a

Nickel: BAL

Lead: n/a

Tin: n/a

Silicon: 0.25

Zinc: n/a

Other: Co 18.5-19.5; W 1.8-2.2; Ti; AI; Ta; Nb; Zr; B

Minimum Mechanical Properties

Tensile, ksi

0

Tensile, MPa

0

Yield, ksi

0

Yield, MPa

0

Elongation

0%

Heat Treatment: Solution Anneal And Age