铁素体和珠光体球墨铸铁的化学成分（推荐％）
<TABLE cellSpacing=0 cellPadding=0 border=1><TBODY>
<TR>
<TD vAlign=top width=108 colSpan=2>
<P align=center><STRONG>铸铁种类</STRONG></P></TD>
<TD vAlign=top width=48>
<P align=center>C</P></TD>
<TD vAlign=top width=72>
<P align=center>Si</P></TD>
<TD vAlign=top width=70>
<P align=center>Mn</P></TD>
<TD vAlign=top width=51>
<P align=center>P</P></TD>
<TD vAlign=top width=59>
<P align=center>S</P></TD>
<TD vAlign=top width=72>
<P align=center>Cu</P></TD>
<TD vAlign=top width=72>
<P align=center>Mo</P></TD>
<TD vAlign=top width=72>
<P align=center>Mg</P></TD>
<TD vAlign=top width=72>
<P align=center>RE</P></TD></TR>
<TR>
<TD vAlign=top width=48 rowSpan=4>
<P align=center><STRONG></STRONG></P>
<P align=center><STRONG></STRONG></P>
<P align=center><STRONG>铁素体</STRONG></P></TD>
<TD vAlign=top width=60>
<P align=center>铸态</P></TD>
<TD vAlign=top width=48>
<P align=center>3.5～4.0 宜≤3.9</P></TD>
<TD vAlign=top width=72>
<P align=center>2.5～3.0</P></TD>
<TD vAlign=top width=70>
<P align=center>≤0.4 宜≤0.3 国外≤0.2</P></TD>
<TD vAlign=top width=51>
<P align=center>≤0.07国外≤0.05</P></TD>
<TD vAlign=top width=59>
<P align=center>≤0.02</P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72 rowSpan=6>
<P align=center> </P>
<P align=center> </P>
<P align=center> </P>
<P align=center> 不宜含V、Ti、Cu、W、Mo、Cr等</P></TD>
<TD vAlign=top width=72>
<P align=center>0.03～0.06</P></TD>
<TD vAlign=top width=72>
<P align=center>0.02～0.04</P></TD></TR>
<TR>
<TD vAlign=top width=60>
<P align=center>退火</P></TD>
<TD vAlign=top width=48>
<P align=center>3.5～4.0 宜≤3.9</P></TD>
<TD vAlign=top width=72>
<P align=center>2.0～2.7</P></TD>
<TD vAlign=top width=70>
<P align=center>≤0.6</P></TD>
<TD vAlign=top width=51>
<P align=center>≤0.07</P></TD>
<TD vAlign=top width=59>
<P align=center>≤0.02</P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center>0.03～0.06</P></TD>
<TD vAlign=top width=72>
<P align=center>0.02～0.04</P></TD></TR>
<TR>
<TD vAlign=top width=60>
<P align=center>低温工作铸件</P></TD>
<TD vAlign=top width=48>
<P align=center>3.4～3.6</P></TD>
<TD vAlign=top width=72>
<P align=center>1.4～2.0</P></TD>
<TD vAlign=top width=70>
<P align=center>＜0.3 宜≤0.2</P></TD>
<TD vAlign=top width=51>
<P align=center>≤0.04宜＜0.03</P></TD>
<TD vAlign=top width=59>
<P align=center>≤0.01</P></TD>
<TD vAlign=top width=72>
<P align=center>Ni＜1.0</P></TD>
<TD vAlign=top width=72>
<P align=center>0.04～0.06</P></TD>
<TD vAlign=top width=72>
<P align=center>尽量不用</P></TD></TR>
<TR>
<TD vAlign=top width=60>
<P align=center>大断面铸件</P></TD>
<TD vAlign=top width=48>
<P align=center>3.3～3.6</P></TD>
<TD vAlign=top width=72>
<P align=center>2.0～2.4</P></TD>
<TD vAlign=top width=70>
<P align=center>0.1甚至0.003</P></TD>
<TD vAlign=top width=51>
<P align=center>＜0.04</P></TD>
<TD vAlign=top width=59>
<P align=center>＜0.01</P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD></TR>
<TR>
<TD vAlign=top width=48 rowSpan=2>
<P align=center><STRONG>铁素体+珠光体</STRONG></P></TD>
<TD vAlign=top width=60>
<P align=center>铸态</P></TD>
<TD vAlign=top width=48>
<P align=center>3.5～3.8</P></TD>
<TD vAlign=top width=72>
<P align=center>2.2～2.7 宜≤2.5</P></TD>
<TD vAlign=top width=70>
<P align=center>＜0.5</P></TD>
<TD vAlign=top width=51>
<P align=center>＜0.07</P></TD>
<TD vAlign=top width=59>
<P align=center>≤0.02</P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD></TR>
<TR>
<TD vAlign=top width=60>
<P align=center>退火</P></TD>
<TD vAlign=top width=48>
<P align=center>3.5～3.8</P></TD>
<TD vAlign=top width=72>
<P align=center>2.0～2.5</P></TD>
<TD vAlign=top width=70>
<P align=center>≤0.06</P></TD>
<TD vAlign=top width=51>
<P align=center>≤0..07</P></TD>
<TD vAlign=top width=59>
<P align=center>≤0.02</P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD></TR>
<TR>
<TD vAlign=top width=48 rowSpan=3>
<P align=center><STRONG></STRONG></P>
<P align=center><STRONG>珠光体</STRONG></P></TD>
<TD vAlign=top width=60>
<P align=center>铸态</P></TD>
<TD vAlign=top width=48>
<P align=center>3.5～3.9 宜≤3.8</P></TD>
<TD vAlign=top width=72>
<P align=center>2.1～2.5 宜1.8～2.3或≤2.1</P></TD>
<TD vAlign=top width=70>
<P align=center>0.3～0.5</P></TD>
<TD vAlign=top width=51>
<P align=center>≤0.07</P></TD>
<TD vAlign=top width=59>
<P align=center>≤0.02</P></TD>
<TD vAlign=top width=72>
<P align=center>0.5～1.0</P></TD>
<TD vAlign=top width=72>
<P align=center>0～0.2</P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD></TR>
<TR>
<TD vAlign=top width=60>
<P align=center>热处理</P></TD>
<TD vAlign=top width=48>
<P align=center>3.5～3.7</P></TD>
<TD vAlign=top width=72>
<P align=center>2.0～2.4</P></TD>
<TD vAlign=top width=70>
<P align=center>小件0.4～0.8；大件＜0.5</P></TD>
<TD vAlign=top width=51>
<P align=center>≤0.07</P></TD>
<TD vAlign=top width=59>
<P align=center>≤0.02</P></TD>
<TD vAlign=top width=72>
<P align=center>0～1.0</P></TD>
<TD vAlign=top width=72>
<P align=center>0～0.2</P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD></TR>
<TR>
<TD vAlign=top width=60>
<P align=center>大断面</P></TD>
<TD vAlign=top width=48>
<P align=center>3.6～3.8</P></TD>
<TD vAlign=top width=72>
<P align=center>2.0～2.4</P></TD>
<TD vAlign=top width=70>
<P align=center> ＜0.5 宜0.4</P></TD>
<TD vAlign=top width=51>
<P align=center>＜0.07</P></TD>
<TD vAlign=top width=59>
<P align=center>＜0.01</P></TD>
<TD vAlign=top width=72>
<P align=center>0.4～1.0</P></TD>
<TD vAlign=top width=72>
<P align=center>0.2～0.4</P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD>
<TD vAlign=top width=72>
<P align=center> </P></TD></TR></TBODY></TABLE>
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