Experimental Research on Fatigue Properties of X80 Pipeline Steel for Synthetic Natural Gas Transmission

<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 class="align_left">Load force (kN)</td><td class="align_center">25</td><td class="align_center">23</td><td class="align_center">21</td><td class="align_center">19</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Crack length (mm)</td><td class="align_center">0</td><td class="align_center">1.0</td><td class="align_center">2.0</td><td class="align_center">3.0</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The periodic load reduction process.</div>

Mathematical Problems in Engineering

tab3

Table 3

Table 3: Experimental Research on Fatigue Properties of X80 Pipeline Steel for Synthetic Natural Gas Transmission 