Effect of Binary Oxide Flux on Weld Shape, Mechanical Properties and Corrosion Resistance of 2205 Duplex Stainless Steel Welds

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Oxides</td><td class="align_left">Melting point (°C)</td><td class="align_center">Melting point of DSS 2205 (°C)</td><td class="align_center">ΔT = |Tm 2205 − Tm oxide|</td><td class="align_center">Binary fluxes</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Fe2O3</td><td class="align_center">1565</td><td class="align_center" rowspan="6">1445</td><td class="align_center">120°C (Tm oxide is higher than Tm 2205)</td><td class="align_center" rowspan="2">Fe2O3-Cr2O3</td></tr><tr><td class="align_left">Cr2O3</td><td class="align_center">2335</td><td class="align_center">890°C (Tm oxide is higher than Tm 2205)</td></tr><tr><td class="align_left">ZnO</td><td class="align_center">1975</td><td class="align_center">530°C (Tm oxide higher than Tm 2205)</td><td class="align_center" rowspan="2">ZnO-Mn2O3</td></tr><tr><td class="align_left">Mn2O3</td><td class="align_center">940</td><td class="align_center">505°C (Tm oxide less than Tm 2205)</td></tr><tr><td class="align_left">V2O5</td><td class="align_center">670</td><td class="align_center">775°C (Tm oxide less than Tm 2205)</td><td class="align_center" rowspan="2">V2O5-Mn2O3</td></tr><tr><td class="align_left">Mn2O3</td><td class="align_center">940</td><td class="align_center">505°C (Tm oxide less than Tm 2205)</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison between melting temperature of oxides and duplex stainless steel.</div>

Advances in Materials Science and Engineering

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Table 4

Table 4: Effect of Binary Oxide Flux on Weld Shape, Mechanical Properties and Corrosion Resistance of 2205 Duplex Stainless Steel Welds 