weld2003 发表于 2006-5-6 16:14:00

有谁知道Q235钢的抗压强度吗？急用!

<P>如题，先谢了!</P>

yu10cheng2 发表于 2006-5-6 18:03:00

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<DIV align=center><FONT color=#ffffff>章节选择：　<A class=top_link title="第一章 绪论" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch01/xj.htm" target="_blank" >1</A> / <A class=top_link title="第二章 拉伸　压缩" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch02/xj.htm" target="_blank" >2</A> / <A class=top_link title="第三章 剪切" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch03/xj.htm" target="_blank" >3</A> / <A class=top_link title="第四章 扭转" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch04/xj.htm" target="_blank" >4</A> / <A class=top_link title="第五章 弯曲内力" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch05/xj.htm" target="_blank" >5</A> / <A class=top_link title="第六章 弯曲应力" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch06/xj.htm" target="_blank" >6</A> / <A class=top_link title="第七章 弯曲变形" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch07/xj.htm" target="_blank" >7</A> / <A class=top_link title="第八章 应力分析" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch08/xj.htm" target="_blank" >8</A> / <A class=top_link title="第九章 强度理论" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch09/xj.htm" target="_blank" >9</A> / <A class=top_link title="第十章 组合变形" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch10/xj.htm" target="_blank" >10</A> / <A class=top_link title="第十一章 能量方法" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch11/xj.htm" target="_blank" >11</A> / <A class=top_link title="第十二章 静不定结构" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch12/xj.htm" target="_blank" >12</A> / <A class=top_link title="第十三章 动载荷" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch13/xj.htm" target="_blank" >13</A> / <A class=top_link title="第十四章 交变应力" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch14/xj.htm" target="_blank" >14</A> / <A class=top_link title="第十五章 压杆稳定" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch15/xj.htm" target="_blank" >15</A> / <A class=top_link title="第十六章 平面图形的几何性质" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch16/xj.htm" target="_blank" >16</A> / <A class=top_link title="第十七章 附录" href="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/fulu17.htm" target="_blank" >17</A> </FONT></DIV></TD>
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<TD height=47><IMG height=41 src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/img/tu_5d.gif" width=44 align=absMiddle><B>　附录，表格－－表1：　</B></TD></TR>
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<DIV class=parent id=KB1Parent></DIV>
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<DIV class=guanjianzi align=center><IMG height=33 src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/img/tu_5.gif" width=35 align=absMiddle> 　表1　　常用金属材料拉伸和压缩时的机械性质（常温、静载）<BR></DIV></TD></TR>
<TR>
<TD width=87 bgColor=#dbdbf7>
<DIV align=center>材料名称</DIV></TD>
<TD width=66 bgColor=#dbdbf7>
<DIV align=center>牌号</DIV></TD>
<TD width=90 bgColor=#dbdbf7>
<DIV align=center>屈服点<IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/image002.gif" align=absMiddle><BR><IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/mpa.gif" align=absMiddle><BR><IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/image004.gif" align=absMiddle> </DIV></TD>
<TD width=100 bgColor=#dbdbf7>
<DIV align=center>抗拉强度<IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/image006.gif" align=absMiddle><BR><IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/mpa.gif" align=absMiddle><BR><IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/image007.gif" align=absMiddle> </DIV></TD>
<TD width=75 bgColor=#dbdbf7>
<DIV align=center>抗压强度<IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/image009.gif" align=absMiddle><IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/mpa.gif" align=absMiddle><IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/image007.gif" align=absMiddle></DIV></TD>
<TD width=65 bgColor=#dbdbf7>
<DIV align=center>伸长率<IMG src="http://www.xauat.edu.cn/ex/tsinghua/software/08/01/002/01/00001/web/bj/ch17/img/image012.gif" align=absMiddle> %</DIV></TD>
<TD width=149 bgColor=#dbdbf7>
<DIV align=center>用途</DIV></TD></TR>
<TR>
<TD width=87 bgColor=#efeffc height=17 rowSpan=2><BR>普通碳素钢<BR>(GB700-65)<BR>&lt;GB700-88&gt;<BR></TD>
<TD width=66 bgColor=#f7f5ea height=67>
<DIV align=center>A3<BR>&lt;Q235钢&gt;</DIV></TD>
<TD width=90 bgColor=#f7f5ea height=67>
<DIV align=center>240<BR>（2400）</DIV></TD>
<TD width=100 bgColor=#f7f5ea height=67>
<DIV align=center>380～470 <BR>(3800～4700)</DIV></TD>
<TD width=75 bgColor=#f7f5ea height=67>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea height=67>
<DIV align=center>25～27</DIV></TD>
<TD width=149 bgColor=#f7f5ea height=67>
<DIV align=center>金属结构构<BR>件，普通零件</DIV></TD></TR>
<TR>
<TD width=66 bgColor=#f7f5ea height=9>
<DIV align=center>A5<BR>&lt;Q275钢&gt;</DIV></TD>
<TD width=90 bgColor=#f7f5ea height=9>
<DIV align=center>280<BR>（2800）</DIV></TD>
<TD width=100 bgColor=#f7f5ea height=9>
<DIV align=center>500～620<BR>(5000～6200)</DIV></TD>
<TD width=75 bgColor=#f7f5ea height=9>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea height=9>
<DIV align=center>19～21</DIV></TD>
<TD width=149 bgColor=#f7f5ea height=9>
<DIV align=center>同上 </DIV></TD></TR>
<TR>
<TD width=87 bgColor=#efeffc rowSpan=2>
<DIV align=center><BR>优质碳素钢<BR>&lt;GB699-88&gt;<BR><BR><BR></DIV></TD>
<TD width=66 bgColor=#f7f5ea height=76>
<DIV align=center>45</DIV></TD>
<TD width=90 bgColor=#f7f5ea height=76>
<DIV align=center>360<BR>(3600)</DIV></TD>
<TD width=100 bgColor=#f7f5ea height=76>
<DIV align=center>610<BR>(6100)</DIV></TD>
<TD width=75 bgColor=#f7f5ea height=76>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea height=76>
<DIV align=center>16</DIV></TD>
<TD width=149 bgColor=#f7f5ea height=76>
<DIV align=center>强度要求<BR>较高的零件，<BR>齿轮、轴等</DIV></TD></TR>
<TR>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>50</DIV></TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>390<BR>(3900)</DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>660<BR>(6600)</DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>13</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>齿轮、连杆、轮缘<BR>扁弹簧、轧辊等</DIV></TD></TR>
<TR>
<TD width=87 bgColor=#efeffc rowSpan=2>
<DIV align=center>普通低合金钢<BR>&lt;GB1591-88&gt;<BR><BR><BR></DIV></TD>
<TD width=66 bgColor=#f7f5ea height=58>
<DIV align=center>16Mn</DIV></TD>
<TD width=90 bgColor=#f7f5ea height=58>
<DIV align=center>280～350<BR>(2800～3500)</DIV></TD>
<TD width=100 bgColor=#f7f5ea height=58>
<DIV align=center>480～520<BR>(4800～5200)</DIV></TD>
<TD width=75 bgColor=#f7f5ea height=58>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea height=58>19～21</TD>
<TD width=149 bgColor=#f7f5ea height=58>
<DIV align=center>建筑结构、起重<BR>设备、容器、<BR>造船、矿山机械</DIV></TD></TR>
<TR>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>15MnV</DIV></TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>340～420<BR>(3400～4200)</DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>500～560<BR>(5000～5600)</DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>17～19</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>中高压容器、<BR>车辆、 桥梁、<BR>起重机</DIV></TD></TR>
<TR>
<TD width=87 bgColor=#efeffc rowSpan=2>
<DIV align=center>合金结构钢<BR>&lt;GB3077-88&gt;</DIV></TD>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>40Cr<BR>（调质）<BR></DIV></TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>550～800<BR>(5500～8000)<BR></DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>750～1000<BR>(7500～10000)<BR></DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>9～15</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>齿轮、轴、曲轴、<BR>连杆等</DIV></TD></TR>
<TR>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>40MnB<BR>（调质）<BR></DIV></TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>500～800<BR>(5000～8000)<BR></DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>750～1000<BR>(7500～10000)<BR></DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>10～12</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>可代替40Cr钢</DIV></TD></TR>
<TR>
<TD width=87 bgColor=#efeffc>
<DIV align=center>球墨铸铁<BR>&lt;GB1348-88&gt;</DIV></TD>
<TD width=66 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>300～420<BR>(3000～4200)<BR></DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>400～600<BR>(4000～6000)<BR></DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>1.5～10</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>轧辊、曲轴、<BR>凸轮轴、齿轮、<BR>活塞、阀门、底座</DIV></TD></TR>
<TR>
<TD width=87 bgColor=#efeffc rowSpan=2>
<DIV align=center>灰口铸铁<BR>&lt;GB9439-88&gt;</DIV></TD>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>HT15-33</DIV></TD>
<TD width=90 bgColor=#f7f5ea><BR></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>100～280<BR>(1000～2800)</DIV></TD>
<TD width=75 bgColor=#f7f5ea>
<DIV align=center>650<BR>(6500)<BR></DIV></TD>
<TD width=65 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>轴承盖、基座、<BR>泵体、壳体</DIV></TD></TR>
<TR>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>HT20-40</DIV></TD>
<TD width=90 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>160～320<BR>(1600～3200)<BR></DIV></TD>
<TD width=75 bgColor=#f7f5ea>
<DIV align=center>750<BR>(7500)<BR></DIV></TD>
<TD width=65 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>同上</DIV></TD></TR>
<TR>
<TD width=87 bgColor=#efeffc rowSpan=2>
<DIV align=center>铝合金<BR>&lt;GB3190-82&gt;</DIV></TD>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>LY11</DIV></TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>110～240<BR>(1100～2400)<BR></DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>210～420<BR>(2100～4200)<BR></DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>18</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>航空结构件、<BR>铆钉等</DIV></TD></TR>
<TR>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>LD9</DIV></TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>280<BR>(2800)<BR></DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>420<BR>(4200)<BR></DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>13</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>内燃机活塞等</DIV></TD></TR>
<TR>
<TD width=87 bgColor=#efeffc rowSpan=2>
<DIV align=center>铜合金<BR>&lt;GB5233-85&gt;</DIV></TD>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>QA19-2<BR>(软)<BR></DIV></TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>300<BR>（3000）<BR></DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>450<BR>(4500)<BR><BR></DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>20～40</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>船舶零件</DIV></TD></TR>
<TR>
<TD width=66 bgColor=#f7f5ea>
<DIV align=center>QA19-4<BR>（软）<BR></DIV></TD>
<TD width=90 bgColor=#f7f5ea>
<DIV align=center>200<BR>(2000)<BR></DIV></TD>
<TD width=100 bgColor=#f7f5ea>
<DIV align=center>500～600<BR>(5000～6000)</DIV></TD>
<TD width=75 bgColor=#f7f5ea>&nbsp;</TD>
<TD width=65 bgColor=#f7f5ea>
<DIV align=center>40</DIV></TD>
<TD width=149 bgColor=#f7f5ea>
<DIV align=center>齿轮、轴套等</DIV></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
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