LOW-TEMPERATURE HIGH-STRENGTH-AND-DUCTILITY HIGH MANGANESE STEEL, AND HIGH MANGANESE STEEL PLATE AND HIGH MANGANESE STEEL TUBE MANUFACTURING PROCESS
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United States of America Patent
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Apr 15, 2015
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Aug 14, 2014
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The present invention discloses a machining technology of a low-temperature high-strength-ductility high manganese steel, high manganese steel plate, and high manganese steel tube, and a high manganese steel comprises the following components in percentage by weight: Mn 30%-36%, C 0.02%-0.06%, S≦0.01%, P≦0.008% and the balance being Fe. Smelted steel ingots are subject to solution treatment and are rolled and homogenized to obtain a high manganese steel plate or are drawn to form a high manganese steel tube. The hot-rolled or cold-rolled steel plate after being hot-rolled has tremendous application value in the fields of low-temperature applications, such as the steel plate used for a low temperature pressure container.
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