铬钼铜系铸铁的牌号、成分和强度
<TABLE cellSpacing=0 cellPadding=0 border=1><TBODY>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<P align=center><STRONG>铸铁名称</STRONG></P></TD>
<TD vAlign=top width=99 rowSpan=2>
<P align=center><STRONG>牌号</STRONG></P></TD>
<TD vAlign=top width=465 colSpan=6>
<P align=center><STRONG>化学成分(%)</STRONG></P></TD>
<TD vAlign=top width=72 rowSpan=2>
<P><STRONG>σb/MPa不小于</STRONG></P></TD></TR>
<TR>
<TD vAlign=top width=81>
<P align=center>C</P></TD>
<TD vAlign=top width=82>
<P align=center>Si</P></TD>
<TD vAlign=top width=86>
<P align=center>Mn</P></TD>
<TD vAlign=top width=60>
<P align=center>P</P></TD>
<TD vAlign=top width=60>
<P align=center>S</P></TD>
<TD vAlign=top width=96>
<P align=center>合金元素</P></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=3>
<P>铬钼铜耐磨铸铁</P></TD>
<TD vAlign=top width=99>
<P>MTCrMoCu25</P></TD>
<TD vAlign=top width=81>
<P>3.00~3.50</P></TD>
<TD vAlign=top width=82>
<P>1.50~2.40</P></TD>
<TD vAlign=top width=86>
<P>0.60~1.00</P></TD>
<TD vAlign=top width=60 rowSpan=3>
<P>≤0.15</P></TD>
<TD vAlign=top width=60 rowSpan=6>
<P><0.12</P></TD>
<TD vAlign=top width=96 rowSpan=3>
<P>Cr0.20~0.45</P>
<P>Mo0.15~0.35</P>
<P>Cu0.60~1.10</P></TD>
<TD vAlign=top width=72>
<P>250</P></TD></TR>
<TR>
<TD vAlign=top width=99>
<P>MTCrMoCu30</P></TD>
<TD vAlign=top width=81>
<P>2.90~3.30</P></TD>
<TD vAlign=top width=82>
<P>1.40~2.10</P></TD>
<TD vAlign=top width=86>
<P>0.70~1.10</P></TD>
<TD vAlign=top width=72>
<P>300</P></TD></TR>
<TR>
<TD vAlign=top width=99>
<P>MTCrMoCu35</P></TD>
<TD vAlign=top width=81>
<P>2.80~3.10</P></TD>
<TD vAlign=top width=82>
<P>1.30~1.90</P></TD>
<TD vAlign=top width=86>
<P>0.80~1.20</P></TD>
<TD vAlign=top width=72>
<P>350</P></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=3>
<P>铬铜耐磨铸铁</P></TD>
<TD vAlign=top width=99>
<P>MTCrCu25</P></TD>
<TD vAlign=top width=81>
<P>3.00~3.50</P></TD>
<TD vAlign=top width=82>
<P>1.50~2.40</P></TD>
<TD vAlign=top width=86>
<P>0.60~1.00</P></TD>
<TD vAlign=top width=60 rowSpan=3>
<P>≤0.25</P></TD>
<TD vAlign=top width=96 rowSpan=3>
<P>Cr0.20~0.50</P>
<P>Cu0.60~1.10</P></TD>
<TD vAlign=top width=72>
<P>250</P></TD></TR>
<TR>
<TD vAlign=top width=99>
<P>MTCrCu30</P></TD>
<TD vAlign=top width=81>
<P>2.90~3.30</P></TD>
<TD vAlign=top width=82>
<P>1.40~2.10</P></TD>
<TD vAlign=top width=86>
<P>0.70~1.10</P></TD>
<TD vAlign=top width=72>
<P>300</P></TD></TR>
<TR>
<TD vAlign=top width=99>
<P>MTCrCu35</P></TD>
<TD vAlign=top width=81>
<P>2.80~3.10</P></TD>
<TD vAlign=top width=82>
<P>1.30~1.90</P></TD>
<TD vAlign=top width=86>
<P>0.80~1.20</P></TD>
<TD vAlign=top width=72>
<P>350</P></TD></TR></TBODY></TABLE>
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