Influence of Partial Replacement of Nickel by Nitrogen on Microstructure and Mechanical Properties of Austenitic Stainless Steel

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2"> Nitrogen status</td><td align="center" colspan="2">Modified stainless steel treated at 1100°C</td><td align="center" colspan="2">Modified stainless steel treated at 1200°C</td></tr><tr class="thead"><td align="center">Nitrogen content, wt%</td><td align="center">% relative to the total nitrogen</td><td align="center">Nitrogen content,  wt%</td><td align="center">% relative to the total nitrogen</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Soluble nitrogen content</td><td align="center">0.362</td><td align="center">95.5</td><td align="center">0.368</td><td align="center">97.1</td></tr><tr><td align="left">Insoluble nitrogen (nitrides) content</td><td align="center">0.017</td><td align="center">4.5</td><td align="center">0.011</td><td align="center">2.9</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Insoluble and soluble nitrogen in modified nitrogen stainless steel after different heat treatment temperatures. 

Journal of Metallurgy

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Table 3

Table 3: Influence of Partial Replacement of Nickel by Nitrogen on Microstructure and Mechanical Properties of Austenitic Stainless Steel 