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Brands > Metco > Product list > Metco 76F-NS METCO ® 76F-NSMetco has designed a new tungsten carbide cobalt powder (76F-NS) for thermal spray applications requiring resistance to abrasion, low angle erosion and corrosion. Coatings of 76F-NS are not technique dependent and may be applied up to 0.050" thick on flat grit blasted carbon steel surfaces. As a result Metco 76F-NS coatings may easily be used for on-site or field applications such as far blades, pump seals, thread guides, wire drawing capstans and mandrels. Metco 76F-NS is a sintered tungsten carbide - 18 wt.% cobalt powder. Particle size (-53 +10 micron) has been developed to maximize coating density without sacrificing coating thickness or finish. In addition, carbon chemistry has been adjusted to compensate for decarburization losses, while carbide size has been optimized for proper solutioning with Metco combustion hardware. Typical Composition:
Coating PropertiesMetco 76F-NS coatings approach the wear resistance of plasma sprayed tungsten carbide-cobalt coatings. Adhesive bond strength testing shows these coatings to exceed 8000 psi. Coating density measures 12.5 gms./cc with less than 2% porosity. The amount of tungsten carbides out of solution is typically 17-20%; with a coating microhardness of DPH 300 850-950. The macrohardness of Metco 76F-NS as measured is Rc 55-59. As-sprayed surface finishes measure 350-450 microinches, ground finishes measure less than 4 microinches. Metco 76F-NS coatings cannot be typically finished by machining.
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ICS TECHNOLOGIES • P: 519.337.3300 • F: 519.337.6610 • sales@icstechnologies.com |
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