Omegalloy - 61 A unique 3” x 4” wear platelet with Rockwell C hardness of 61 that reduces the time required to hard surface by 15 to 20 times the conventional method. Omegalloy-61 platelets can be welded in any position; overhead, vertical or horizontal. The unique 5-point weld insures a permanent bond, regardless of the contour of the base surface. >> more info