铸造用生铁
<TABLE cellSpacing=0 cellPadding=0 border=1><TBODY>
<TR>
<TD vAlign=top width=64 rowSpan=2>
<P> 铁 号</P></TD>
<TD vAlign=top width=94 colSpan=2>
<P> 牌 号</P></TD>
<TD vAlign=top width=77>
<P align=center>铸34</P></TD>
<TD vAlign=top width=77>
<P align=center>铸30</P></TD>
<TD vAlign=top width=77>
<P align=center>铸26</P></TD>
<TD vAlign=top width=77>
<P align=center>铸22</P></TD>
<TD vAlign=top width=77>
<P align=center>铸18</P></TD>
<TD vAlign=top width=86>
<P align=center>铸14</P></TD></TR>
<TR>
<TD vAlign=top width=94 colSpan=2>
<P> 代 号</P></TD>
<TD vAlign=top width=77>
<P align=center>Z34</P></TD>
<TD vAlign=top width=77>
<P align=center>Z30</P></TD>
<TD vAlign=top width=77>
<P align=center>Z26</P></TD>
<TD vAlign=top width=77>
<P align=center>Z22</P></TD>
<TD vAlign=top width=77>
<P align=center>Z18</P></TD>
<TD vAlign=top width=86>
<P align=center>Z14</P></TD></TR>
<TR>
<TD vAlign=top width=64 rowSpan=13>
<P> </P>
<P align=center>化</P>
<P align=center>学</P>
<P align=center>成</P>
<P align=center>分</P>
<P align=center>（％）</P></TD>
<TD vAlign=top width=94 colSpan=2>
<P align=center>C</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>＞3.3</P></TD></TR>
<TR>
<TD vAlign=top width=94 colSpan=2>
<P align=center>Si</P></TD>
<TD vAlign=top width=77>
<P align=center>＞3.20~3.60</P></TD>
<TD vAlign=top width=77>
<P align=center>＞2.80~3.20</P></TD>
<TD vAlign=top width=77>
<P align=center>＞2.40~2.80</P></TD>
<TD vAlign=top width=77>
<P align=center>＞2.00~2.40</P></TD>
<TD vAlign=top width=77>
<P align=center>＞1.60~2.00</P></TD>
<TD vAlign=top width=86>
<P align=center>＞1.25～1.60</P></TD></TR>
<TR>
<TD vAlign=top width=48 rowSpan=3>
<P align=center> </P>
<P align=center>Mn</P></TD>
<TD vAlign=top width=46>
<P align=center>1组</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>≤0.05</P></TD></TR>
<TR>
<TD vAlign=top width=46>
<P align=center>2组</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>＞0.50～0.90</P></TD></TR>
<TR>
<TD vAlign=top width=46>
<P align=center>3组</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>＞0.90～1.30</P></TD></TR>
<TR>
<TD vAlign=top width=48 rowSpan=5>
<P align=center> </P>
<P align=center> </P>
<P align=center>P</P></TD>
<TD vAlign=top width=46>
<P align=center>1级</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>≤0.06</P></TD></TR>
<TR>
<TD vAlign=top width=46>
<P align=center>2级</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>＞0.06～0.10</P></TD></TR>
<TR>
<TD vAlign=top width=46>
<P align=center>3级</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>＞0.10～0.20</P></TD></TR>
<TR>
<TD vAlign=top width=46>
<P align=center>4级</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>＞0.20～0.40</P></TD></TR>
<TR>
<TD vAlign=top width=46>
<P align=center>5级</P></TD>
<TD vAlign=top width=473 colSpan=6>
<P align=center>＞0.40～0.90</P></TD></TR>
<TR>
<TD vAlign=top width=48 rowSpan=3>
<P align=center> </P>
<P align=center>S</P></TD>
<TD vAlign=top width=46>
<P align=center>1类</P></TD>
<TD vAlign=top width=387 colSpan=5>
<P align=center>≤0.03</P></TD>
<TD vAlign=top width=86>
<P align=center>≤0.04</P></TD></TR>
<TR>
<TD vAlign=top width=46>
<P align=center>2类</P></TD>
<TD vAlign=top width=387 colSpan=5>
<P align=center>≤0.04</P></TD>
<TD vAlign=top width=86>
<P align=center>≤0.05</P></TD></TR>
<TR>
<TD vAlign=top width=46>
<P align=center>3类</P></TD>
<TD vAlign=top width=387 colSpan=5>
<P align=center>≤0.05</P></TD>
<TD vAlign=top width=86>
<P align=center>≤0.06</P></TD></TR></TBODY></TABLE>
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