球墨铸铁单铸试块V形缺口试样的冲击性能
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=1><TBODY>
<TR>
<TD width="18%" rowSpan=2>
<DIV align=center>牌号</DIV></TD>
<TD width="40%" colSpan=2>
<DIV align=center>室温冲击韧度(23±5℃)</DIV>
<DIV align=center>α<SUB>K</SUB>≥/(J/cm<SUP>2</SUP>)</DIV></TD>
<TD width="41%" colSpan=2>
<DIV align=center>低温冲击韧度(-20±2℃)</DIV>
<DIV align=center>α<SUB>K</SUB>≥/(J/cm<SUP>2</SUP>)</DIV></TD></TR>
<TR>
<TD width="25%">
<DIV align=center>3个试样平均值</DIV></TD>
<TD width="14%">
<DIV align=center>个别值</DIV></TD>
<TD width="25%">
<DIV align=center>3个试样平均值</DIV></TD>
<TD width="16%">
<DIV align=center>个别值</DIV></TD></TR>
<TR>
<TD width="18%">
<DIV align=center>QT400-18</DIV></TD>
<TD width="25%">
<DIV align=center>14</DIV></TD>
<TD width="14%">
<DIV align=center>11</DIV></TD>
<TD width="25%">
<DIV align=center>-</DIV></TD>
<TD width="16%">
<DIV align=center>-</DIV></TD></TR>
<TR>
<TD width="18%">
<DIV align=center>QT400-18L</DIV></TD>
<TD width="25%">
<DIV align=center>-</DIV></TD>
<TD width="14%">
<DIV align=center>-</DIV></TD>
<TD width="25%">
<DIV align=center>12</DIV></TD>
<TD width="16%">
<DIV align=center>9</DIV></TD></TR></TBODY></TABLE>
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