These rings are for manufacturers of pails, other circular parts, and containers. HRC is 40; thermal conductivity, 60 Btu/ft-hr-°F; yield strength, 155,000 psi; tensile strength, 185,000 psi; and expansion coefficient of 9.7 (10 6/°F).

Brush Wellman Inc., 17876 St. Clair Ave., Cleveland, OH 44110, (216) 486-4200, BrushWellman.com