National Museum of African American History and Culture
Certificate of Engineering from State of Ohio awarded to James A. Parsons
Ohio State Board of Registration for Professional Engineers and Surveyors, American, founded 1933 · 1947
James A. Parsons Jr. was a scientist, inventor, and university professor, whose research with rust resistant metals and iron alloys is credited with leading to the development of stainless steel. He developed Durimet 20, a corrosion-resistant stainless steel alloy also known as Alloy 20, which is still widely used today in a diverse range of industries including petrochemical, textile, nuclear, aerospace, automotive, pharmaceutical, textile and chemical and food processing.
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