Abstract
1. A short period of heating at 500°C of Kh18N9T steel rolled at 20°C and −196°C does not decrease the strength of this steel. 2. Aging following rolling at −196°C increases the ultimate strength 50–70% at temperatures between +20 and −196°C as compared to the strength resulting from rolling at room temperature. 3. We have shown that the higher the quenching temperature, the greater the increase in the strength induced by aging at high temperature. The quenching temperature does not have any significant effect on the properties of steel rolled at low temperatures.
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