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Subject: Corrosion Resistance of AISI 8620 and 16MnCr5
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Date: 11/19/02 at 10:46 AM
Posted by: craig barker
I am working with manufacturers to develop a specialty gear set for a fishing reel application that will operate in a greased gear box, but (obviously) in a salt-water environment. Because of the large torque requirements of the pinion gears, two materials have been proposed. The first material is 16MnCr5 (Case hardened to Rc 61+-1) and the second material is AISI 8620 (carburized and hardened).
Even though the gear set will be lubricated I am still very concerned about corrosion. Should I be, and if so, is there another material you gurus could recommend that I should consider using? Or, is there some coating process I should consider?
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