美国标准抗高温腐蚀的镍铬铸造合金的力学性能
<TABLE width=748 align=center border=1><TBODY>
<TR>
<TD rowSpan=2>
<DIV align=center>牌号</DIV></TD>
<TD colSpan=4>
<DIV align=center>力学性能（不小于）</DIV></TD></TR>
<TR>
<TD>
<P align=center>σ<SUB>b</SUB>/MPa</P></TD>
<TD>
<P align=center>σ<SUB>s</SUB>/ Mpa </P></TD>
<TD>
<DIV align=center>δ(%) </DIV></TD>
<TD>
<DIV align=center>A<SUB>K</SUB>/J</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>Cr-50Ni</DIV></TD>
<TD>
<DIV align=center>550</DIV></TD>
<TD>
<DIV align=center>340</DIV></TD>
<TD>
<DIV align=center>5</DIV></TD>
<TD>
<DIV align=center>78</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>Cr-40Ni</DIV></TD>
<TD>
<DIV align=center>760</DIV></TD>
<TD>
<DIV align=center>590</DIV></TD>
<TD>
<DIV align=center>—</DIV></TD>
<TD>
<DIV align=center>14</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>Cr-50Ni-Nb</DIV></TD>
<TD>
<DIV align=center>550</DIV></TD>
<TD>
<DIV align=center>345</DIV></TD>
<TD>
<DIV align=center>5</DIV></TD></TR></TBODY></TABLE>
<P> </P>
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