A reader wrote to ask about the comparison of Tungsten Carbide to Graphalloy.
As you know Tungsten Carbide is an extremely hard, brittle material. As a bearing, it resists wear from abrasives.
Graphalloy is much softer, but can last longer running dry (without lubrication). However, it doesn't stand up to abrasives as well.
Which is better, depends on the application. Go to www.graphalloy.com/html/inquiry.html and give the engineering department a chance to review your application.
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