铸造铅青铜的力学性能
<TABLE borderColor=#000000 height=317 cellSpacing=0 cellPadding=1 width=601 align=center border=1><TBODY>
<TR>
<TD rowSpan=2>
<P align=center>合金牌号</P></TD>
<TD rowSpan=2>
<P align=center>铸造方法</P></TD>
<TD colSpan=4>
<P align=center>力学性能，不低于</P></TD></TR>
<TR>
<TD>
<P align=center>σb/MPa(kgf/mm<SUP>2</SUP>)</P></TD>
<TD>
<P align=center>σ<SUB>0.2</SUB>/MPa(kgf/mm<SUP>2</SUP>)</P></TD>
<TD>
<P align=center>δ<SUB>5</SUB>(%)</P></TD>
<TD>
<P align=center>硬度HBW</P></TD></TR>
<TR>
<TD rowSpan=3>
<P align=center>ZCuPb10Sn10</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>180(18.4)</P></TD>
<TD>
<P align=center>80(8.2)</P></TD>
<TD>
<P align=center>7</P></TD>
<TD>
<P align=center>635</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>220(22.4)</P></TD>
<TD>
<P align=center>140(14.3)</P></TD>
<TD>
<P align=center>5</P></TD>
<TD>
<P align=center>685</P></TD></TR>
<TR>
<TD>
<P align=center>Li、La</P></TD>
<TD>
<P align=center>220(22.4)</P></TD>
<TD>
<P align=center>110(11.2)</P></TD>
<TD>
<P align=center>6</P></TD>
<TD>
<P align=center>685</P></TD></TR>
<TR>
<TD rowSpan=3>
<P align=center>ZCuPb15Sn8</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>170(17.3)</P></TD>
<TD>
<P align=center>80(8.2)</P></TD>
<TD>
<P align=center>5</P></TD>
<TD>
<P align=center>590</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>220(20.4)</P></TD>
<TD>
<P align=center>100(10.2)</P></TD>
<TD>
<P align=center>6</P></TD>
<TD>
<P align=center>635</P></TD></TR>
<TR>
<TD>
<P align=center>Li、La</P></TD>
<TD>
<P align=center>220(20.4)</P></TD>
<TD>
<P align=center>100(10.2)</P></TD>
<TD>
<P align=center>8</P></TD>
<TD>
<P align=center>635</P></TD></TR>
<TR>
<TD rowSpan=2>
<P align=center>ZCuPb17Sn4Zn4</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>150(15.3)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>5</P></TD>
<TD>
<P align=center>540</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>175(17.5)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>7</P></TD>
<TD>
<P align=center>590</P></TD></TR>
<TR>
<TD rowSpan=3>
<P align=center>ZCuPb20Sn5</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>150(15.3)</P></TD>
<TD>
<P align=center>60(6.1)</P></TD>
<TD>
<P align=center>5</P></TD>
<TD>
<P align=center>440</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>150(15.3)</P></TD>
<TD>
<P align=center>70(7.1)</P></TD>
<TD>
<P align=center>6</P></TD>
<TD>
<P align=center>540</P></TD></TR>
<TR>
<TD height=22>
<P align=center>La</P></TD>
<TD>
<P align=center>180(18.4)</P></TD>
<TD>
<P align=center>80(8.1)</P></TD>
<TD>
<P align=center>7</P></TD>
<TD>
<P align=center>540</P></TD></TR>
<TR>
<TD height=26>
<P align=center>ZCuPb30</P></TD>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>—</P></TD>
<TD>
<P align=center>—</P></TD>
<TD>
<P align=center>—</P></TD>
<TD>
<P align=center>245</P></TD></TR></TBODY></TABLE>
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