不同牌号焊丝焊缝金属的化学成分及力学性能
<DIV align=center>不同牌号焊丝焊缝金属的化学成分及力学性能</DIV><DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 width="90%" border=1>
<TBODY>
<TR>
<TD rowSpan=2>
<DIV align=center><B>焊丝及母材</B><B></B></DIV></TD>
<TD colSpan=5>
<DIV align=center><B>焊缝金属化学成分</B><B>(%)</B><B></B></DIV></TD>
<TD colSpan=6>
<DIV align=center><B>焊缝金属力学性能</B><B></B></DIV></TD>
<TD rowSpan=2>
<DIV align=center><B>接头抗拉强度</B><B><BR>(MPa)</B><B></B></DIV></TD>
<TD rowSpan=2>
<DIV align=center><B>备注</B><B></B></DIV></TD></TR>
<TR>
<TD>
<DIV align=center><B>C</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>Si</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>Mn</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>S</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>P</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>σ<SUB>s</SUB><BR>(MPa)</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>σ<SUB>b</SUB><BR>(MPa)</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>δ<BR>(%)</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>ψ<BR>(%)</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>α<SUB>k</SUB><BR>(J/cm<SUP>2</SUP>)</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>冷弯</B><B><BR>(180°)</B><B></B></DIV></TD></TR>
<TR>
<TD rowSpan=2>
<DIV align=center>H10MnSi+Q235</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.12</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.55</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.84</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.010</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.025</DIV></TD>
<TD>
<DIV align=center>463.4-484.6</DIV></TD>
<TD>
<DIV align=center>587.2-610.0</DIV></TD>
<TD>
<DIV align=center>28.33-32.00</DIV></TD>
<TD>
<DIV align=center>70.65-72.79</DIV></TD>
<TD>
<DIV align=center>176-185</DIV></TD>
<TD>
<DIV align=center>部分件微裂</DIV></TD>
<TD>
<DIV align=center>506.1-508.6</DIV></TD>
<TD rowSpan=6>
<DIV align=center>接头抗拉时断于母材</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>476.4</DIV></TD>
<TD>
<DIV align=center>600.2</DIV></TD>
<TD>
<DIV align=center>29.89</DIV></TD>
<TD>
<DIV align=center>71.36</DIV></TD>
<TD>
<DIV align=center>180</DIV></TD>
<TD>
<DIV align=center>部分件微裂</DIV></TD>
<TD>
<DIV align=center>507.6</DIV></TD></TR>
<TR>
<TD rowSpan=2>
<DIV align=center>H08MnSiA+Q235</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.08</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.57</DIV></TD>
<TD rowSpan=2>
<DIV align=center>1.33</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.010</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.017</DIV></TD>
<TD>
<DIV align=center>459.8-470.5</DIV></TD>
<TD>
<DIV align=center>592.5-612.0</DIV></TD>
<TD>
<DIV align=center>28.00-30.00</DIV></TD>
<TD>
<DIV align=center>60.95-73.33</DIV></TD>
<TD>
<DIV align=center>194-211</DIV></TD>
<TD>
<DIV align=center>不裂</DIV></TD>
<TD>
<DIV align=center>502.7-508.2</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>465.7</DIV></TD>
<TD>
<DIV align=center>605.5</DIV></TD>
<TD>
<DIV align=center>29.11</DIV></TD>
<TD>
<DIV align=center>68.31</DIV></TD>
<TD>
<DIV align=center>202</DIV></TD>
<TD>
<DIV align=center>不裂</DIV></TD>
<TD>
<DIV align=center>505.6</DIV></TD></TR>
<TR>
<TD rowSpan=2>
<DIV align=center>H08Mn2SiA+Q235</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.09</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.57</DIV></TD>
<TD rowSpan=2>
<DIV align=center>1.36</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.010</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.017</DIV></TD>
<TD>
<DIV align=center>442.2-455.8</DIV></TD>
<TD>
<DIV align=center>551.8-573.0</DIV></TD>
<TD>
<DIV align=center>29.33-33.23</DIV></TD>
<TD>
<DIV align=center>74.99</DIV></TD>
<TD>
<DIV align=center>220-233</DIV></TD>
<TD>
<DIV align=center>不裂</DIV></TD>
<TD>
<DIV align=center>502.9-506.7</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>448.1</DIV></TD>
<TD>
<DIV align=center>563.6</DIV></TD>
<TD>
<DIV align=center>30.89</DIV></TD>
<TD>
<DIV align=center>74.99</DIV></TD>
<TD>
<DIV align=center>227</DIV></TD>
<TD>
<DIV align=center>不裂</DIV></TD>
<TD>
<DIV align=center>504.4</DIV></TD></TR></TBODY></TABLE></DIV>
<DIV> </DIV>
<DIV><B>注: 1.</B><B>焊接电流100-110A,</B><B>电弧电压20-21V,CO2</B><B>气体量为500L/h</B><B>。</B></DIV>
<DIV><B> 2.</B><B>母材尺寸为4mm</B><B>×100mm</B><B>×500mm</B><B>钢板。</B></DIV>
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