Application of Response Surface Methodology for Modeling of Postweld Heat Treatment Process in a Pressure Vessel Steel ASTM A516 Grade 70

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td align="left">Chemical element</td><td align="center">C</td><td align="center">Si</td><td align="center">Mn</td><td align="center">P</td><td align="center">S</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td align="left">% [wt]</td><td align="center">0.28</td><td align="center">0.13</td><td align="center">0.79</td><td align="center">0.035</td><td align="center">0.04</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Chemical composition of ASTM A516 grade 70.

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Table 1

Table 1: Application of Response Surface Methodology for Modeling of Postweld Heat Treatment Process in a Pressure Vessel Steel ASTM A516 Grade 70 