几种焊条的冶金性能
<BR><DIV align=center>几种焊条的冶金性能</DIV><!--定义表格：-->
<DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 border=1><!--显示表格的表头：-->
<TBODY>
<TR>
<TD width=15 rowSpan=3>
<DIV align=center><B>焊条牌号</B><B></B></DIV></TD>
<TD width=58 rowSpan=3>
<DIV align=center><B>所属渣系</B><B></B></DIV></TD>
<TD width=479 colSpan=19>
<DIV align=center><B>冶</B><B> </B><B>金</B><B> </B><B>性</B><B> </B><B>能</B><B></B></DIV></TD>
<TD width=85 colSpan=2>
<DIV align=center><B>备注</B><B></B></DIV></TD></TR>
<TR>
<TD width=84 colSpan=3>
<DIV align=center><B>焊缝金属中主要合金元素含量</B><B>(%)</B><B></B></DIV></TD>
<TD width=166 colSpan=5>
<DIV align=center><B>焊缝中气体及杂质含量</B><B></B></DIV></TD>
<TD width=112 colSpan=5>
<DIV align=center><B>焊缝金属力学性能</B><B></B></DIV></TD>
<TD width=18 rowSpan=2>
<DIV align=center><B>Mn/S</B><B></B></DIV></TD>
<TD width=21 rowSpan=2>
<DIV align=center><B>Mn/Si</B><B></B></DIV></TD>
<TD width=35 rowSpan=2>
<DIV align=center><B>氧化物硅酸盐夹杂总含量</B><B>(%)</B><B></B></DIV></TD>
<TD width=19 colSpan=2 rowSpan=2>
<DIV align=center><B>抗热裂性</B><B></B></DIV></TD>
<TD width=66 colSpan=2 rowSpan=2>
<DIV align=center><B>抗气孔性</B><B></B></DIV></TD>
<TD width=43 rowSpan=2>
<DIV><B></B> </DIV></TD></TR>
<TR>
<TD width=28>
<DIV align=center><B>C</B><B></B></DIV></TD>
<TD width=28>
<DIV align=center><B>Si</B><B></B></DIV></TD>
<TD width=28>
<DIV align=center><B>Mn</B><B></B></DIV></TD>
<TD width=31>
<DIV align=center><B>氮</B><B>(%)</B><B></B></DIV></TD>
<TD width=35>
<DIV align=center><B>氧</B><B>(%)</B><B></B></DIV></TD>
<TD width=31>
<DIV align=center><B>氢</B><B>(mL/100g)</B><B></B></DIV></TD>
<TD width=35>
<DIV align=center><B>硫</B><B>(%)</B><B></B></DIV></TD>
<TD width=35>
<DIV align=center><B>磷</B><B>(%)</B><B></B></DIV></TD>
<TD width=26>
<DIV align=center><B>σ<SUB>b</SUB>(MPa)</B><B></B></DIV></TD>
<TD width=19>
<DIV align=center><B>δ<SUB>0</SUB>(%)</B><B></B></DIV></TD>
<TD width=18>
<DIV align=center><B>ψ(%)</B><B></B></DIV></TD>
<TD width=25>
<DIV align=center><B>α<SUB>k</SUB>(J/ cm<SUP>2</SUP>)</B><B></B></DIV></TD>
<TD width=25>
<DIV align=center><B>α(°)</B><B></B></DIV></TD></TR>
<TR>
<TD width=15>
<DIV align=center>J421</DIV></TD>
<TD width=58>
<DIV align=center>钛型 TiO<SUB>2</SUB>-SiO<SUB>2</SUB>-CaO-Al<SUB>2</SUB>O<SUB>3</SUB></DIV></TD>
<TD width=28>
<DIV align=center>0.07-0.10</DIV></TD>
<TD width=28>
<DIV align=center>0.15-0.20</DIV></TD>
<TD width=28>
<DIV align=center>0.25-0.35</DIV></TD>
<TD width=31>
<DIV align=center>0.025-0.03</DIV></TD>
<TD width=35>
<DIV align=center>0.06-0.08</DIV></TD>
<TD width=31>
<DIV align=center>25-30</DIV></TD>
<TD width=35>
<DIV align=center>0.018-0.030</DIV></TD>
<TD width=35>
<DIV align=center>0.02-0.032</DIV></TD>
<TD width=26>
<DIV align=center>450-500</DIV></TD>
<TD width=19>
<DIV align=center>20-28</DIV></TD>
<TD width=18>
<DIV align=center>60-65</DIV></TD>
<TD width=25>
<DIV align=center>80-120</DIV></TD>
<TD width=25>
<DIV align=center>120-150</DIV></TD>
<TD width=18>
<DIV align=center>8-12</DIV></TD>
<TD width=21>
<DIV align=center>1.5-1.8</DIV></TD>
<TD width=35>
<DIV align=center>0.109-0.131</DIV></TD>
<TD width=19 colSpan=2>
<DIV align=center>较差</DIV></TD>
<TD width=66 colSpan=2>
<DIV align=center>一般:大电流或焊接含硅含硫较高的钢时,气孔敏感性强.对铁锈水分不太敏感</DIV></TD>
<TD width=43>
<DIV align=center> </DIV></TD></TR>
<TR>
<TD width=15>
<DIV align=center>J422</DIV></TD>
<TD width=58>
<DIV align=center>钛钙型 TiO<SUB>2</SUB>-CaO-SiO<SUB>2</SUB></DIV></TD>
<TD width=28>
<DIV align=center>0.07-0.08</DIV></TD>
<TD width=28>
<DIV align=center>0.10-0.15</DIV></TD>
<TD width=28>
<DIV align=center>0.35-0.5</DIV></TD>
<TD width=31>
<DIV align=center>0.024-0.03</DIV></TD>
<TD width=35>
<DIV align=center>0.06-0.1</DIV></TD>
<TD width=31>
<DIV align=center>25-30</DIV></TD>
<TD width=35>
<DIV align=center>0.15-0.025</DIV></TD>
<TD width=35>
<DIV align=center>0.02-0.030</DIV></TD>
<TD width=26>
<DIV align=center>450-500</DIV></TD>
<TD width=19>
<DIV align=center>22-30</DIV></TD>
<TD width=18>
<DIV align=center>60-70</DIV></TD>
<TD width=25>
<DIV align=center>100-160</DIV></TD>
<TD width=25>
<DIV align=center>180</DIV></TD>
<TD width=18>
<DIV align=center>13-16</DIV></TD>
<TD width=21>
<DIV align=center>2.5-3.0</DIV></TD>
<TD width=45 colSpan=2>
<DIV align=center>0.109-0.131</DIV></TD>
<TD width=8>
<DIV align=center>尚好</DIV></TD>
<TD width=66 colSpan=2>
<DIV align=center>一般:同J421,药皮氧化性强,易出现CO气孔;脱氧性增强,易出现H气孔</DIV></TD>
<TD width=43>
<DIV align=center> </DIV></TD></TR>
<TR>
<TD width=15>
<DIV align=center>J423</DIV></TD>
<TD width=58>
<DIV align=center>钛铁矿型 TiO<SUB>2</SUB>FeO-MnO-SiO<SUB>2</SUB></DIV></TD>
<TD width=28>
<DIV align=center>0.07-0.10</DIV></TD>
<TD width=28>
<DIV align=center>＜0.10</DIV></TD>
<TD width=28>
<DIV align=center>0.4-0.50</DIV></TD>
<TD width=31>
<DIV align=center>0.025-0.03</DIV></TD>
<TD width=35>
<DIV align=center>0.08-0.11</DIV></TD>
<TD width=31>
<DIV align=center>24-30</DIV></TD>
<TD width=35>
<DIV align=center>0.016-0.028</DIV></TD>
<TD width=35>
<DIV align=center>0.22-0.035</DIV></TD>
<TD width=26>
<DIV align=center>430-490</DIV></TD>
<TD width=19>
<DIV align=center>20-30</DIV></TD>
<TD width=18>
<DIV align=center>60-68</DIV></TD>
<TD width=25>
<DIV align=center>10-160</DIV></TD>
<TD width=25>
<DIV align=center>180</DIV></TD>
<TD width=18>
<DIV align=center>12-18</DIV></TD>
<TD width=21>
<DIV align=center>4-5</DIV></TD>
<TD width=45 colSpan=2>
<DIV align=center>0.134-0.203</DIV></TD>
<TD width=8>
<DIV align=center>尚好</DIV></TD>
<TD width=66 colSpan=2>
<DIV align=center>一般:与J422差不多</DIV></TD>
<TD width=43>
<DIV align=center> </DIV></TD></TR>
<TR>
<TD width=15>
<DIV align=center>J424</DIV></TD>
<TD width=58>
<DIV align=center>氧化铁型 FeO-MnO-SiO<SUB>2</SUB></DIV></TD>
<TD width=28>
<DIV align=center>0.08-0.10</DIV></TD>
<TD width=28>
<DIV align=center>0.10</DIV></TD>
<TD width=28>
<DIV align=center>0.52-0.8</DIV></TD>
<TD width=31>
<DIV align=center>0.02-0.025</DIV></TD>
<TD width=35>
<DIV align=center>0.10-0.12</DIV></TD>
<TD width=31>
<DIV align=center>26-30</DIV></TD>
<TD width=35>
<DIV align=center>0.018-0.025</DIV></TD>
<TD width=35>
<DIV align=center>0.030-0.05</DIV></TD>
<TD width=26>
<DIV align=center>440-480</DIV></TD>
<TD width=19>
<DIV align=center>25-30</DIV></TD>
<TD width=18>
<DIV align=center>60-68</DIV></TD>
<TD width=25>
<DIV align=center>90-130</DIV></TD>
<TD width=25>
<DIV align=center>180</DIV></TD>
<TD width=18>
<DIV align=center>14-28</DIV></TD>
<TD width=21>
<DIV align=center>6-8</DIV></TD>
<TD width=45 colSpan=2>
<DIV align=center>0.134-0.203</DIV></TD>
<TD width=8>
<DIV align=center>较好</DIV></TD>
<TD width=66 colSpan=2>
<DIV align=center>较好:对铁锈、水分不敏感</DIV></TD>
<TD width=43>
<DIV align=center> </DIV></TD></TR>
<TR>
<TD width=15>
<DIV align=center>J425</DIV></TD>
<TD width=58>
<DIV align=center>纤维素型</DIV></TD>
<TD width=28>
<DIV align=center>0.08-0.10</DIV></TD>
<TD width=28>
<DIV align=center>0.06-0.10</DIV></TD>
<TD width=28>
<DIV align=center>0.25-0.40</DIV></TD>
<TD width=31>
<DIV align=center>0.01-0.02</DIV></TD>
<TD width=35>
<DIV align=center>0.06-0.09</DIV></TD>
<TD width=31>
<DIV align=center>30-40</DIV></TD>
<TD width=35>
<DIV align=center>0.016-0.022</DIV></TD>
<TD width=35>
<DIV align=center>0.025-0.035</DIV></TD>
<TD width=26>
<DIV align=center>440-450</DIV></TD>
<TD width=19>
<DIV align=center>20-28</DIV></TD>
<TD width=18>
<DIV align=center>60-65</DIV></TD>
<TD width=25>
<DIV align=center>80-120</DIV></TD>
<TD width=25>
<DIV align=center>120-150</DIV></TD>
<TD width=18>
<DIV align=center>8-14</DIV></TD>
<TD width=21>
<DIV align=center>3.5-4.0</DIV></TD>
<TD width=45 colSpan=2>
<DIV align=center>-0.10</DIV></TD>
<TD width=8>
<DIV align=center>较差</DIV></TD>
<TD width=66 colSpan=2>
<DIV align=center>一般:氢白点敏感性强,对铁锈、水分等不太敏感</DIV></TD>
<TD width=43>
<DIV align=center> </DIV></TD></TR>
<TR>
<TD width=15>
<DIV align=center>J426</DIV></TD>
<TD width=58>
<DIV align=center>低氢碱型 CaO-CaF<SUB>2</SUB>-SiO<SUB>2</SUB></DIV></TD>
<TD width=28>
<DIV align=center>0.07-0.10</DIV></TD>
<TD width=28>
<DIV align=center>0.35-0.45</DIV></TD>
<TD width=28>
<DIV align=center>0.7-1.10</DIV></TD>
<TD width=31>
<DIV align=center>0.01-0.022</DIV></TD>
<TD width=35>
<DIV align=center>0.25-0.035</DIV></TD>
<TD width=31>
<DIV align=center>8-10</DIV></TD>
<TD width=35>
<DIV align=center>0.015-0.025</DIV></TD>
<TD width=35>
<DIV align=center>0.025-0.028</DIV></TD>
<TD width=26>
<DIV align=center>480-550</DIV></TD>
<TD width=19>
<DIV align=center>22-30</DIV></TD>
<TD width=18>
<DIV align=center>68-72</DIV></TD>
<TD width=25>
<DIV align=center>180-300</DIV></TD>
<TD width=25>
<DIV align=center>180</DIV></TD>
<TD width=18>
<DIV align=center>30-38</DIV></TD>
<TD width=21>
<DIV align=center>2-2.5</DIV></TD>
<TD width=45 colSpan=2>
<DIV align=center>0.028-0.090</DIV></TD>
<TD width=8>
<DIV align=center>良好</DIV></TD>
<TD width=66 colSpan=2>
<DIV align=center>一般:对铁锈、水分很敏感.有铁锈时,易产生CO气孔;有水锈时,易出现H气孔.长弧焊时易出现气孔</DIV></TD>
<TD width=43>
<DIV align=center>直流正接或交流电源时易出现气孔</DIV></TD></TR>
<TR>
<TD width=15>
<DIV align=center>J427</DIV></TD>
<TD width=58>
<DIV align=center>低氢碱型 CaO-CaF<SUB>2</SUB>-SiO<SUB>2</SUB></DIV></TD>
<TD width=28>
<DIV align=center>0.07-0.10</DIV></TD>
<TD width=28>
<DIV align=center>0.35-0.45</DIV></TD>
<TD width=28>
<DIV align=center>0.7-1.1</DIV></TD>
<TD width=31>
<DIV align=center>0.007-0.02</DIV></TD>
<TD width=35>
<DIV align=center>0.025-0.035</DIV></TD>
<TD width=31>
<DIV align=center>6-8</DIV></TD>
<TD width=35>
<DIV align=center>0.012-0.025</DIV></TD>
<TD width=35>
<DIV align=center>0.020-0.025</DIV></TD>
<TD width=26>
<DIV align=center>480-550</DIV></TD>
<TD width=19>
<DIV align=center>24-35</DIV></TD>
<TD width=18>
<DIV align=center>70-75</DIV></TD>
<TD width=25>
<DIV align=center>200-320</DIV></TD>
<TD width=25>
<DIV align=center>180</DIV></TD>
<TD width=18>
<DIV align=center>30-38</DIV></TD>
<TD width=21>
<DIV align=center>2.-2.5</DIV></TD>
<TD width=45 colSpan=2>
<DIV align=center>0.028-0.090</DIV></TD>
<TD width=8>
<DIV align=center>良好</DIV></TD>
<TD width=66 colSpan=2>
<DIV align=center>一般:同J426</DIV></TD>
<TD width=43>
<DIV align=center>直流正接时易出现气孔</DIV></TD></TR></TBODY></TABLE></DIV>
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