铸造黄铜的力学性能
<TABLE borderColor=#000000 height=579 cellSpacing=0 cellPadding=1 width=710 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=2>
<P align=center>ZCuZn38</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>295(30.0)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>590</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>295(30.0)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>30</P></TD>
<TD>
<P align=center>685</P></TD></TR>
<TR>
<TD rowSpan=3>
<P align=center>ZCuZn25Al6Fe3Mn3</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>725(73.9)</P></TD>
<TD>
<P align=center>380(38.7)</P></TD>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>1570</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>740(75.5)</P></TD>
<TD>
<P align=center>400(40.8)</P></TD>
<TD>
<P align=center>7</P></TD>
<TD>
<P align=center>1665</P></TD></TR>
<TR>
<TD>
<P align=center>Li、La</P></TD>
<TD>
<P align=center>740(75.5)</P></TD>
<TD>
<P align=center>400(40.8)</P></TD>
<TD>
<P align=center>7</P></TD>
<TD>
<P align=center>1665</P></TD></TR>
<TR>
<TD rowSpan=3>
<P align=center>ZCuZn26Al4Fe3Mn3</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>600(61.2)</P></TD>
<TD>
<P align=center>300(30.6)</P></TD>
<TD>
<P align=center>18</P></TD>
<TD>
<P align=center>1175</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>600(61.2)</P></TD>
<TD>
<P align=center>300(30.6)</P></TD>
<TD>
<P align=center>18</P></TD>
<TD>
<P align=center>1275</P></TD></TR>
<TR>
<TD>
<P align=center>Li、La</P></TD>
<TD>
<P align=center>600(61.2)</P></TD>
<TD>
<P align=center>300(30.6)</P></TD>
<TD>
<P align=center>18</P></TD>
<TD>
<P align=center>1275</P></TD></TR>
<TR>
<TD rowSpan=2>
<P align=center>ZCuZn31Al2</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>295(30.0)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>12</P></TD>
<TD>
<P align=center>785</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>390(39.8)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>15</P></TD>
<TD>
<P align=center>885</P></TD></TR>
<TR>
<TD rowSpan=3>
<P align=center>ZCuZn35Al2Mn2Fe1</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>450(45.9)</P></TD>
<TD>
<P align=center>170(17.3)</P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>980</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>475(48.4)</P></TD>
<TD>
<P align=center>200(20.4)</P></TD>
<TD>
<P align=center>18</P></TD>
<TD>
<P align=center>1080</P></TD></TR>
<TR>
<TD>
<P align=center>Li、La</P></TD>
<TD>
<P align=center>475(48.4)</P></TD>
<TD>
<P align=center>200(20.4)</P></TD>
<TD>
<P align=center>18</P></TD>
<TD>
<P align=center>1080</P></TD></TR>
<TR>
<TD rowSpan=2>
<P align=center>ZCuZn38Mn2Pb2</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>245(25.0)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>10</P></TD>
<TD>
<P align=center>685</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>345(35.2)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>18</P></TD>
<TD>
<P align=center>785</P></TD></TR>
<TR>
<TD rowSpan=2>
<P align=center>ZCuZn40Mn2</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>345(35.2)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>785</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>390(39.8)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>25</P></TD>
<TD>
<P align=center>885</P></TD></TR>
<TR>
<TD rowSpan=2>
<P align=center>ZCuZn40Mn3Fe1</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>440(44.9)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>18</P></TD>
<TD>
<P align=center>980</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>490(50.0)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>15</P></TD>
<TD>
<P align=center>1080</P></TD></TR>
<TR>
<TD>
<P align=center>ZCuZn33Pb2</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>180(18.4)</P></TD>
<TD>
<P align=center>70(7.1)</P></TD>
<TD>
<P align=center>12</P></TD>
<TD>
<P align=center>490</P></TD></TR>
<TR>
<TD rowSpan=2>
<P align=center>ZCuZn40Pb2</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>220(22.4)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>15</P></TD>
<TD>
<P align=center>785</P></TD></TR>
<TR>
<TD>
<P align=center>J</P></TD>
<TD>
<P align=center>280(28.6)</P></TD>
<TD>
<P align=center>120(12.2)</P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>885</P></TD></TR>
<TR>
<TD rowSpan=2>
<P align=center>ZCuZn16Si4</P></TD>
<TD>
<P align=center>S</P></TD>
<TD>
<P align=center>345(35.2)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>15</P></TD>
<TD>
<P align=center>885</P></TD></TR>
<TR>
<TD height=24>
<P align=center>J</P></TD>
<TD>
<P align=center>390(39.8)</P></TD>
<TD>
<P align=center> </P></TD>
<TD>
<P align=center>20</P></TD>
<TD>
<P align=center>980</P></TD></TR></TBODY></TABLE>
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