ULTRA-FINE GRAINED STEELS HAVING CORROSION-FATIGUE RESISTANCE
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United States of America Patent
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Oct 20, 2016
app pub date -
Apr 14, 2015
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Apr 14, 2015
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Abstract
Embodiments of an ultra-fine-grained, medium carbon steel are disclosed herein. In some embodiments, the ultra-fine grained steel can have high corrosion fatigue resistance, as well as high toughness and yield strength. The ultra-fine grained steels can be advantageous for use as sucker rods in oil wells having corrosive environments.
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