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Effect of Preliminary Cold Working on High-Temperature Tensile Behavior of Nickel-Free High-Nitrogen Austenitic Steel

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Metal Science and Heat Treatment Aims and scope

The effect of solution treatment and preliminary cold working on the high-temperature tensile behavior of a high-nitrogen nickel-free corrosion-resistant austenitic steel at 875 – 950°C and different deformation rates (from 10 – 2 to 10 – 4 sec – 1 ) is studied. It is shown that the steel has high mechanical properties after the solution treatment. After the cold rolling the strength of the specimens increases and the ductility decreases due to strong strain hardening. At a high temperature, the stress-strain curves exhibit serrations at the lower deformation rates. The strength of such specimens is lower than after the solution treatment.

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Authors and Affiliations

  1. Tata Steel, Jamshedpur, India

    Janak Lal

  2. RDCIS, SAIL, Ranchi, India

    Santosh Kumar

  3. IIT BHU, Varanasi, India

    N. C. Santhi Srinivas

Authors
  1. Janak Lal
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  2. Santosh Kumar
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  3. N. C. Santhi Srinivas
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Corresponding author

Correspondence to Santosh Kumar.

Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 18 – 22, August, 2019.

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Lal, J., Kumar, S. & Srinivas, N.C.S. Effect of Preliminary Cold Working on High-Temperature Tensile Behavior of Nickel-Free High-Nitrogen Austenitic Steel. Met Sci Heat Treat 61, 478–481 (2019). https://doi.org/10.1007/s11041-019-00449-4

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  • DOI: https://doi.org/10.1007/s11041-019-00449-4

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