蠕墨铸铁的珠光体数量及蠕化率分级
<P>蠕化率分级(JB/T 3829-1999)</P><TABLE cellSpacing=0 cellPadding=0 border=1>
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<P><STRONG>蠕化率级别</STRONG></P></TD>
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<P><STRONG>蠕95</STRONG></P></TD>
<TD vAlign=top width=57>
<P><STRONG>蠕85</STRONG></P></TD>
<TD vAlign=top width=57>
<P><STRONG>蠕75</STRONG></P></TD>
<TD vAlign=top width=57>
<P><STRONG>蠕65</STRONG></P></TD>
<TD vAlign=top width=57>
<P><STRONG>蠕55</STRONG></P></TD>
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<P><STRONG>蠕45</STRONG></P></TD>
<TD vAlign=top width=57>
<P><STRONG>蠕35</STRONG></P></TD>
<TD vAlign=top width=57>
<P><STRONG>蠕25</STRONG></P></TD>
<TD vAlign=top width=57>
<P><STRONG>蠕15</STRONG></P></TD></TR>
<TR>
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<P>蠕虫状石墨数量(%)</P></TD>
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<P>>90</P></TD>
<TD vAlign=top width=57>
<P>>80~90</P></TD>
<TD vAlign=top width=57>
<P>>70~80</P></TD>
<TD vAlign=top width=57>
<P>>60~70</P></TD>
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<P>>50~60</P></TD>
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<P>>40~50</P></TD>
<TD vAlign=top width=57>
<P>>30~40</P></TD>
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<P>>20~30</P></TD>
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<P>>10~20</P></TD></TR></TBODY></TABLE>
<P>蠕墨铸铁的珠光体数量分级(JB/T 3829-1999)</P>
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<TD vAlign=top width=95>
<P><STRONG>名称</STRONG></P></TD>
<TD vAlign=top width=95>
<P align=center><STRONG>珠95</STRONG></P></TD>
<TD vAlign=top width=95>
<P align=center><STRONG>珠85</STRONG></P></TD>
<TD vAlign=top width=95>
<P align=center><STRONG>珠75</STRONG></P></TD>
<TD vAlign=top width=95>
<P align=center><STRONG>珠65</STRONG></P></TD>
<TD vAlign=top width=95>
<P align=center><STRONG>珠55</STRONG></P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P>珠光体数量(%)</P></TD>
<TD vAlign=top width=95>
<P align=center>>90</P></TD>
<TD vAlign=top width=95>
<P align=center>>80~90</P></TD>
<TD vAlign=top width=95>
<P align=center>>70~80</P></TD>
<TD vAlign=top width=95>
<P align=center>>60~70</P></TD>
<TD vAlign=top width=95>
<P align=center>>50~60</P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P>名称</P></TD>
<TD vAlign=top width=95>
<P align=center>珠45</P></TD>
<TD vAlign=top width=95>
<P align=center>珠35</P></TD>
<TD vAlign=top width=95>
<P align=center>珠25</P></TD>
<TD vAlign=top width=95>
<P align=center>珠15</P></TD>
<TD vAlign=top width=95>
<P align=center>珠5</P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P>珠光体数量(%)</P></TD>
<TD vAlign=top width=95>
<P align=center>>40~50</P></TD>
<TD vAlign=top width=95>
<P align=center>>30~40</P></TD>
<TD vAlign=top width=95>
<P align=center>>20~30</P></TD>
<TD vAlign=top width=95>
<P align=center>>10~20</P></TD>
<TD vAlign=top width=95>
<P align=center>≤10</P></TD></TR></TBODY></TABLE>
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