Accelerated Testing for Resistance to Erosion-Corrosion^★ Available to Purchase

Because some metals used in appliances must have both erosion and corrosion resistance, a series of accelerated tests was made on several stainless unhardened wrought steels, hardened wrought steels, hardened cast steels and a proprietary wrought stainless iron. Tests consisted of exposing specimens for 100 hours in a continuously circulating 4 percent NaCl solution at 150 F with aluminum oxide pellets as abrasive. Rotating test vessel was inclined to produce tumbling action of pellets. Both weight and edge losses were considered in judging results. Cast 420 or wrought 431 stainless steel was found to perform best. 2.3.2, 3.5.3