Nickel Chromium Silicon Boron Hardfacing Alloy


CT6103-4 a Ni based High Temperature Alloy applied using the Spray and Fuse Process. The coating is very dense, wear resistant, metallurgically bonded and suitable for use where resistance to high temperatures, wear, and corrosion are needed.

Typical Properties

Nominal Composition:
Ni Bal, 17% Cr, 4% Si, 4% Fe, 3.5% B
Bond Strength:
>> 10,000 psi
Coating Porosity:
Less than 0.5%
Coating Hardness:
HRC 58-64
As-sprayed Surface Roughness:
200-350 Ra
Machined Surface Roughness:
Variable, Per Customer Requirement
Service Temperature:
≤ 750°C (1380°F)

For the Following Applications:

CT6103-4 is used on table rolls for steel processing, oil industry slush pumps, piston rings, hydraulic turbine wear rings, Sucker Rod Couplings, and exhaust valves/valve seats.


Finish CT6103-4 by grinding with diamond wheels. CTS can recommend grinding parameters if needed.


CT6103-4 meets the following specifications: Commercial

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