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Progress in the Evaluation of CSS-42L: A High Performance Bearing Alloy Pages: 11 Published: Jan 2002
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View License Agreement Source: STP1419-EB Abstract This paper presents a technical update on the on-going evaluation of CSS-42L (US Patent #5,424,028). The alloy is a case carburizable, stainless steel alloy which has been demonstrated to have a key combination of properties suited for ideal bearing performance: High surface hardness, hot hardness for usage up to 427°C (800°F), high fracture toughness, and corrosion resistance. Initial rolling contact fatigue data suggested that the alloy should have superior bearing life. This paper concentrates on data generated since the last ASTM bearing symposium Both bearing life test data and wear resistance test data illustrate the alloy has excellent properties. Bearing life tests have been performed which illustrate superior life to both M50 and 52100. Wear resistance tests have also been performed. In a contaminated wear test environment of AlO, CSS-42L steel performs very well in comparison with M50 and Cronidur-30. Wedeven wear resistance tests on case components also show excellent behavior.
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