Inconel 718

CT5125-1

CT5125-1 is a nickel-chromium based superalloy coating applied using the plasma process. The coating is very dense, very well bonded and suitable for use as a build up coating in areas where high temperature resistance and corrosion resistance are desirable. CT5125-1 works well in aerospace and land based turbine applications up to 1300° F.

Typical Properties

Nominal Composition Cobalt:
 52Ni, 19Cr, 18 Fe, 5 (Nb+Ta), 3 Mo, 1 Ti ,
.5Al, .05C
Bond Strength:
In excess of 10,000 psi
Coating Porosity:
Less than 1%
Coating Hardness:
Vickers 400-500
As-sprayed Surface Roughness:
100-150 Ra

For the Following Applications:

CT5125-1 is used for severe service conditions of high temperature and corrosion. It is used frequently to repair hot section parts of gas turbines.

Finishing

Finish CT5125-1 by grinding or machining. If machining use C2 or C7 carbide tools, minimum 200 SFPM, light cuts up to .005” per pass and .0015/rev. traverse speeds. CT5125-1 may be ground with green silicon carbide wheels.

Finishes of 4-6 Ra are possible by grinding. This coating may also be superfinished to a 2 Ra finish.

Specifications

CT-5125-1 meets the following specifications:

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