美国标准高温用镍铬合金铸钢的型号与化学成分（质量分数）（%）
<TABLE width=748 align=center border=1><TBODY>
<TR>
<TD>
<DIV align=center>钢号</DIV></TD>
<TD>
<DIV align=center>C </DIV></TD>
<TD>
<DIV align=center>Si </DIV></TD>
<TD>
<DIV align=center>Mn </DIV></TD>
<TD>
<DIV align=center>P </DIV>
<P align=center>≤ </P></TD>
<TD>
<DIV align=center>S </DIV>
<P align=center>≤ </P></TD>
<TD>
<DIV align=center>Cr </DIV></TD>
<TD>
<DIV align=center>Ni </DIV></TD>
<TD>
<DIV align=center>N</DIV></TD>
<TD>
<DIV align=center>Fe和其他</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>TypeⅠ</DIV></TD>
<TD>
<DIV align=center>0.20～0.45</DIV></TD>
<TD>
<DIV align=center>≤1.75</DIV></TD>
<TD>
<DIV align=center>≤2.50</DIV></TD>
<TD>
<DIV align=center>0.05</DIV></TD>
<TD>
<DIV align=center>0.05</DIV></TD>
<TD>
<DIV align=center>23.0～28.0</DIV></TD>
<TD>
<DIV align=center>10.0～14.0</DIV></TD>
<TD>
<DIV align=center>≤0.20</DIV></TD>
<TD>
<DIV align=center>由供需双方协议</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>TypeⅡ</DIV></TD>
<TD>
<DIV align=center>0.20～0.45</DIV></TD>
<TD>
<DIV align=center>≤1.75</DIV></TD>
<TD>
<DIV align=center>≤2.50</DIV></TD>
<TD>
<DIV align=center>0.05</DIV></TD>
<TD>
<DIV align=center>0.05</DIV></TD>
<TD>
<DIV align=center>23.0～28.0</DIV></TD>
<TD>
<DIV align=center>10.0～14.0</DIV></TD>
<TD>
<DIV align=center>≤0.20</DIV></TD>
<TD>
<DIV align=center>由供需双方协议</DIV></TD></TR></TBODY></TABLE>
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