灰铸铁件的抗拉强度
<TABLE borderColor=#000000 height=438 cellSpacing=0 cellPadding=1 width=431 align=center border=1><TBODY>
<TR>
<TD width=84 rowSpan=2>
<P align=center>牌号</P></TD>
<TD colSpan=2>
<P align=center>铸件壁厚/mm</P></TD>
<TD width=164 rowSpan=2>
<P align=center>σb≥MPa(kgf/mm<SUP>2</SUP>)</P></TD></TR>
<TR>
<TD width=81>
<P align=center>></P></TD>
<TD width=84>
<P align=center>≤</P></TD></TR>
<TR>
<TD rowSpan=4>
<P align=center>HT100</P></TD>
<TD>
<P align=center>2.5</P></TD>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>130(13.3)</P></TD></TR>
<TR>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>100(10.2)</P></TD></TR>
<TR>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>90(9.2)</P></TD></TR>
<TR>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>50</P></TD>
<TD>
<P align=center>80(8.2)</P></TD></TR>
<TR>
<TD rowSpan=4>
<P align=center>HT150</P></TD>
<TD>
<P align=center>2.5</P></TD>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>175(17.8)</P></TD></TR>
<TR>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>145(14.8)</P></TD></TR>
<TR>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>130(13.3)</P></TD></TR>
<TR>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>50</P></TD>
<TD>
<P align=center>120(12.2)</P></TD></TR>
<TR>
<TD rowSpan=4>
<P align=center>HT200</P></TD>
<TD>
<P align=center>2.5</P></TD>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>220(22.4)</P></TD></TR>
<TR>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>195(19.9)</P></TD></TR>
<TR>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>170(17.3)</P></TD></TR>
<TR>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>50</P></TD>
<TD>
<P align=center>160(16.3)</P></TD></TR>
<TR>
<TD rowSpan=4>
<P align=center>HT250</P></TD>
<TD>
<P align=center>4.0</P></TD>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>270(27.5)</P></TD></TR>
<TR>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>240(24.5)</P></TD></TR>
<TR>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>220(22.4)</P></TD></TR>
<TR>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>50</P></TD>
<TD>
<P align=center>200(20.4)</P></TD></TR>
<TR>
<TD rowSpan=3>
<P align=center>HT300</P></TD>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>290(29.6)</P></TD></TR>
<TR>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>250(25.5)</P></TD></TR>
<TR>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>50</P></TD>
<TD>
<P align=center>230(23.5)</P></TD></TR>
<TR>
<TD rowSpan=3>
<P align=center>HT350</P></TD>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>340(24.7)</P></TD></TR>
<TR>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>290(29.6)</P></TD></TR>
<TR>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>50</P></TD>
<TD>
<P align=center>260(26.5)</P></TD></TR></TBODY></TABLE>
页:
[1]