碳素结构钢的牌号和化学成分
<TABLE style="WIDTH: 635px; HEIGHT: 352px" cellSpacing=0 cellPadding=0 width=635 align=center border=1><TBODY>
<TR>
<TD width="6%" rowSpan=3>
<DIV align=center><FONT size=2>牌号</FONT></DIV></TD>
<TD width="6%" rowSpan=3>
<DIV align=center><FONT size=2>等级</FONT></DIV></TD>
<TD width="73%" colSpan=5>
<DIV align=center><FONT size=2>化学成分(质量分数)(％)</FONT></DIV></TD>
<TD width="13%" rowSpan=3>
<DIV align=center><FONT size=2>脱氧方法</FONT></DIV></TD></TR>
<TR>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>C</FONT></DIV></TD>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>Mn</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>SP</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>S</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>P</FONT></DIV></TD></TR>
<TR>
<TD width="43%" colSpan=3>
<DIV align=center><FONT size=2>≤</FONT></DIV></TD></TR>
<TR>
<TD width="6%">
<DIV align=center><FONT size=2>Q195</FONT></DIV></TD>
<TD width="6%">
<DIV align=center><FONT size=2></FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>0.06～O.12</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.25～0.50</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.30</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.050</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>0.045</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>F、b、Z</FONT></DIV></TD></TR>
<TR>
<TD width="6%" rowSpan=2>
<DIV align=center><FONT size=2>Q215</FONT></DIV></TD>
<TD width="6%">
<DIV align=center><FONT size=2>A</FONT></DIV></TD>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>O.09～0.15</FONT></DIV></TD>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>0.25～0.55</FONT></DIV></TD>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>0.30</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.050</FONT></DIV></TD>
<TD width="13%" rowSpan=2>
<DIV align=center><FONT size=2>O.045</FONT></DIV></TD>
<TD width="13%" rowSpan=2>
<DIV align=center><FONT size=2>F、b、Z</FONT></DIV></TD></TR>
<TR>
<TD width="6%">
<DIV align=center><FONT size=2>B</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.045</FONT></DIV></TD></TR>
<TR>
<TD width="6%" rowSpan=4>
<DIV align=center><FONT size=2>Q235</FONT></DIV></TD>
<TD width="6%">
<DIV align=center><FONT size=2>A</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.14～O.22</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.30.O.65<SUP>①</SUP></FONT></DIV></TD>
<TD width="15%" rowSpan=4>
<DIV align=center><FONT size=2>0.30</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.050</FONT></DIV></TD>
<TD width="13%" rowSpan=2>
<DIV align=center><FONT size=2>O.045</FONT></DIV></TD>
<TD width="13%" rowSpan=2>
<DIV align=center><FONT size=2>F、b、Z</FONT></DIV></TD></TR>
<TR>
<TD width="6%">
<DIV align=center><FONT size=2>B</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>0.12～O.20</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.30～0.70<SUP>①</SUP></FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>0.045</FONT></DIV></TD></TR>
<TR>
<TD width="6%">
<DIV align=center><FONT size=2>C</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>≤0.18</FONT></DIV></TD>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>O.35～0.80</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>0.040</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>0.040</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>Z</FONT></DIV></TD></TR>
<TR>
<TD width="6%">
<DIV align=center><FONT size=2>D</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>≤0.17</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>0.035</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>0.035</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>TZ</FONT></DIV></TD></TR>
<TR>
<TD width="6%" rowSpan=2>
<DIV align=center><FONT size=2>Q255</FONT></DIV></TD>
<TD width="6%">
<DIV align=center><FONT size=2>A</FONT></DIV></TD>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>O.18～O.28</FONT></DIV></TD>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>O.40～0.70</FONT></DIV></TD>
<TD width="15%" rowSpan=2>
<DIV align=center><FONT size=2>O.30</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.050</FONT></DIV></TD>
<TD width="13%" rowSpan=2>
<DIV align=center><FONT size=2>O.045</FONT></DIV></TD>
<TD width="13%" rowSpan=2>
<DIV align=center><FONT size=2>Z</FONT></DIV></TD></TR>
<TR>
<TD width="6%">
<DIV align=center><FONT size=2>B</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.045</FONT></DIV></TD></TR>
<TR>
<TD width="6%">
<DIV align=center><FONT size=2>Q275</FONT></DIV></TD>
<TD width="6%">
<DIV align=center><FONT size=2></FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>0.28～O.38</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.50～O.80</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>O.35</FONT></DIV></TD>
<TD width="15%">
<DIV align=center><FONT size=2>0.050</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>0.045</FONT></DIV></TD>
<TD width="13%">
<DIV align=center><FONT size=2>Z</FONT></DIV></TD></TR></TBODY></TABLE>
<P>注：F表示沸腾钢，b表示半镇静钢，z表示镇静钢，TZ表示特殊镇静钢。<BR>①Q235A、B级沸腾钢Mn含量上限WMn=0.60％。<BR>②沸腾钢Si含量Wsi不大于0.07％，半镇静钢Si含量Wsi不大于O.17％，镇静钢Si含量WSi限值为0.12％。</P>
页:
[1]