紧固件用不锈钢

Pascal 发表于 2006-10-20 19:34:55

<TABLE width="100%">
<TBODY>
<TR>
<TH align=middle colSpan=2>紧固件用不锈钢</TH></TR>
<TR>
<TD class=TableBody2></TD></TR>
<TR>
<TD style="FONT-SIZE: 14px; LINE-HEIGHT: 20px"> 
<DIV style="FONT-SIZE: 14px; LINE-HEIGHT: 20px">
　　紧固件是<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%bb%fa%d0%b5" target=_blank>机械</A>基础件，需求量很大，通常<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c2%dd%cb%a8" target=_blank>螺栓</A>、螺钉、<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c3%ad%b6%a4" target=_blank>铆钉</A>等为了保证安全或者一般不用考虑温度的影响恶劣的环境或其它危险的工况。常用的<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>有碳素钢、低合金钢和有色金属。但在特定场合，紧固件<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>需要满足严重腐蚀或<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b8%df%c7%bf" target=_blank>高强</A>度的条件，有许多<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>和超<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b8%df%c7%bf" target=_blank>高强</A>度<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>应运而生。 　　本文简单介绍用于紧固件生产的优良<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>。大多数<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A><A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>都能制成钢丝或棒材用于紧固件生产，有奥氏体<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>、铁素体<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>、马氏体<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>、沉淀硬化<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>。 　　一、选材原则 　　 <A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A><A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>的选择主要从以下五方面来考虑。 　　 1、对紧固件<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>在<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%bb%fa%d0%b5" target=_blank>机械</A>性能方面，特别是强度方面的要求； 　　 2、工况条件对<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>的抗腐蚀性能方面的要求； 　　 3、工作温度对<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>的耐热性能（高温强度、抗氧化性能）方面的要求； 　　 4、生产工艺方面对<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>加工性能方面的要求； 　　 5、其它方面，例如重量、价格、采购诸因素都要考虑。 　　通过对这五个方面进行全面、综合的考虑后，最后确定选用紧固件的牌号、品种、规格、<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>标准。 　　二、奥氏体型<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A> 　　常用的牌号为302、303、304、305四个牌号，即所谓的“18-8”型奥氏体<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>这四个牌号。不论是抗腐蚀性，还是其<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%bb%fa%d0%b5" target=_blank>机械</A>性能都相类似。选用的出发点是紧固件的生产工艺方法，而方法又取决于紧固件的尺寸和形状，同时还取决于生产的数量。 　　 302型用于采用<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%bb%fa%d0%b5" target=_blank>机械</A>加工的螺钉和自攻<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c2%dd%cb%a8" target=_blank>螺栓</A>。 　　 303型为了改善切削加工性能，303型<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>中添加有少量的硫，用于采用棒料加工<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c2%dd%c4%b8" target=_blank>螺母</A>。 　　 304型适用于采用热镦工艺加工紧固件时，例如较长规格的<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c2%dd%cb%a8" target=_blank>螺栓</A>，大直径的<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c2%dd%cb%a8" target=_blank>螺栓</A>，它们均可能超出了<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c0%e4%ef%e6" target=_blank>冷镦</A>工艺的范围。 　　 305型适用于采用<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c0%e4%ef%e6" target=_blank>冷镦</A>工艺加工紧固件时，例如冷成形<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c2%dd%c4%b8" target=_blank>螺母</A>、六角<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c2%dd%cb%a8" target=_blank>螺栓</A>。 　　 309型和310型，它们的含Cr量和含Ni量都比18-8型<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>高，适用于高温下工作的紧固件。 　　 316和317型，它们均含有合金元素Mo，因此它们的高温强度和耐蚀性能均比18-8型<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>高。 　　 321型和347型，321型含有较稳定合金元素Ti，347型含有Nb，从而提高了<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%c4%c1%cf" target=_blank>材料</A>的抗晶间腐蚀性能。适用于焊后不<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%cd%cb%bb%f0" target=_blank>退火</A>或在420～1013℃服役的紧固件。 　　三、铁素体型<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A> 　　 430型普通铬钢，它的耐腐蚀性能和耐热性能比410型好，有磁性，但它不能够<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c8%c8%b4%a6%c0%ed" target=_blank>热处理</A>强化，适用于对而耐腐蚀和耐热性能稍高的、强度要求一般的<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>紧固件。 　　四、马氏体<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A> 　　 410型和416型可以<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c8%c8%b4%a6%c0%ed" target=_blank>热处理</A>强化，硬度在35～45HRC，机加工性能良好，用于一般用途的耐热耐腐蚀紧固件。416型含硫量稍高，是易切削<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>。 　　 420型，含硫量≧0.15%，<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%bb%fa%d0%b5" target=_blank>机械</A>性能提高，可以<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%c8%c8%b4%a6%c0%ed" target=_blank>热处理</A>强化，最大硬度值53～58HRC，用于要求较<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b8%df%c7%bf" target=_blank>高强</A>度的紧固件。 　　五、沉淀硬化<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A> 　　 17-4PH，PH15-7Mo，它们可以得到比通常的18-8型<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>更高的强度，因而被用于<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b8%df%c7%bf" target=_blank>高强</A>度、耐腐蚀<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>紧固件。 　　 A-286，一种<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b7%c7%b1%ea" target=_blank>非标</A>准<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>，比常用的18-8型<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>有更高的耐腐蚀性能，以及在温度增高时仍具有良好的<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%bb%fa%d0%b5" target=_blank>机械</A>性能。用做<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b8%df%c7%bf" target=_blank>高强</A>度、耐热、耐腐蚀紧固件，可使用到650～700℃。 
　　紧固件用<A style="FONT-SIZE: 14px; TEXT-DECORATION: underline" href="http://www.chinafastener.net/gb/am/search.aspx?kind=all&action=search&keyword=%b2%bb%d0%e2%b8%d6" target=_blank>不锈钢</A>成分 
<TABLE cellSpacing=0 cellPadding=0 border=1>
<TBODY>
<TR>
<TD width=46>
牌号 </TD>
<TD width=47>
C </TD>
<TD width=82>
Ni </TD>
<TD width=77>
Cr </TD>
<TD width=46>
Mn </TD>
<TD width=45>
Si </TD>
<TD width=43>
S </TD>
<TD width=61>
P </TD>
<TD width=88>
其它 </TD>
<TD width=96>
中国牌号（近似） </TD></TR>
<TR>
<TD width=46>
302 </TD>
<TD width=47>
0.15 </TD>
<TD width=82>
7.0 ～ 10.0 </TD>
<TD width=77>
17.0 ～ 19.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88></TD>
<TD width=96>
1Cr18N9 </TD></TR>
<TR>
<TD width=46>
303 </TD>
<TD width=47>
0.15 </TD>
<TD width=82>
8.0 ～ 10.0 </TD>
<TD width=77>
17.0 ～ 19.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.15 </TD>
<TD width=61>
0.20 </TD>
<TD width=88>
Mo0.06 </TD>
<TD width=96>
1Cr18Ni9 </TD></TR>
<TR>
<TD width=46>
304 </TD>
<TD width=47>
0.08 </TD>
<TD width=82>
8.0 ～ 10.5 </TD>
<TD width=77>
18.0 ～ 20.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88></TD>
<TD width=96>
0Cr19Ni9 </TD></TR>
<TR>
<TD width=46>
305 </TD>
<TD width=47>
0.12 </TD>
<TD width=82>
10.0 ～ 13.0 </TD>
<TD width=77>
17.0 ～ 19.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88></TD>
<TD width=96>
1Cr18Ni12 </TD></TR>
<TR>
<TD width=46>
309 </TD>
<TD width=47>
0.08 </TD>
<TD width=82>
12.0 ～ 15.0 </TD>
<TD width=77>
22.0 ～ 24.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88></TD>
<TD width=96></TD></TR>
<TR>
<TD width=46>
310 </TD>
<TD width=47>
0.25 </TD>
<TD width=82>
19.0 ～ 20.0 </TD>
<TD width=77>
24.0 ～ 26.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.5 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88></TD>
<TD width=96></TD></TR>
<TR>
<TD width=46>
316 </TD>
<TD width=47>
0.08 </TD>
<TD width=82>
10.0 ～ 14.0 </TD>
<TD width=77>
16.0 ～ 18.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88>
Mo2.0 ～ 3.0 </TD>
<TD width=96>
0Cr17Ni12Mo2 </TD></TR>
<TR>
<TD width=46>
317 </TD>
<TD width=47>
0.03 </TD>
<TD width=82>
11.0 ～ 15.0 </TD>
<TD width=77>
18.0 ～ 20.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88>
Mo3.0 ～ 4.0 </TD>
<TD width=96>
0Cr18Ni12Mo3Ti </TD></TR>
<TR>
<TD width=46>
321 </TD>
<TD width=47>
0.08 </TD>
<TD width=82>
9.0 ～ 12.0 </TD>
<TD width=77>
17.0 ～ 19.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88>
Ti </TD>
<TD width=96>
0Cr18Ni9Ti </TD></TR>
<TR>
<TD width=46>
347 </TD>
<TD width=47>
0.08 </TD>
<TD width=82>
9.0 ～ 13.0 </TD>
<TD width=77>
17.0 ～ 19.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.045 </TD>
<TD width=88>
Nb </TD>
<TD width=96>
1Cr18Ni11Nb </TD></TR>
<TR>
<TD width=46>
430 </TD>
<TD width=47>
0.12 </TD>
<TD width=82></TD>
<TD width=77>
16.0 ～ 18.0 </TD>
<TD width=46>
1.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.04 </TD>
<TD width=88></TD>
<TD width=96>
1Cr17 </TD></TR>
<TR>
<TD width=46>
410 </TD>
<TD width=47>
0.15 </TD>
<TD width=82></TD>
<TD width=77>
11.5 ～ 13.5 </TD>
<TD width=46>
1.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.04 </TD>
<TD width=88></TD>
<TD width=96>
1Cr13 </TD></TR>
<TR>
<TD width=46>
416 </TD>
<TD width=47>
0.15 </TD>
<TD width=82></TD>
<TD width=77>
12.0 ～ 14.0 </TD>
<TD width=46>
1.25 </TD>
<TD width=45>
1.25 </TD>
<TD width=43>
0.15 </TD>
<TD width=61>
0.04 </TD>
<TD width=88></TD>
<TD width=96>
2Cr13Ni2 </TD></TR>
<TR>
<TD width=46>
420 </TD>
<TD width=47>
≧ 0.15 </TD>
<TD width=82></TD>
<TD width=77>
12.0 ～ 14.0 </TD>
<TD width=46>
1.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.04 </TD>
<TD width=88></TD>
<TD width=96>
2Cr13 </TD></TR>
<TR>
<TD width=46>
17-4PH </TD>
<TD width=47>
0.07 </TD>
<TD width=82>
3.0 ～ 5.0 </TD>
<TD width=77>
15.0 ～ 17.5 </TD>
<TD width=46>
1.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.04 </TD>
<TD width=88>
Cu3.0 ～ 5.0 </TD>
<TD width=96>
0Cr17Ni4Cu4Nb </TD></TR>
<TR>
<TD width=46>
PH15-7Mo </TD>
<TD width=47>
0.09 </TD>
<TD width=82>
6.5 ～ 7.75 </TD>
<TD width=77>
16.0 ～ 18.0 </TD>
<TD width=46>
1.0 </TD>
<TD width=45>
1.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.04 </TD>
<TD width=88>
Al0.75 ～ 1.5 </TD>
<TD width=96>
0Cr17Ni7Al </TD></TR>
<TR>
<TD width=46>
A-286 </TD>
<TD width=47>
0.08 </TD>
<TD width=82>
24.0 ～ 27.0 </TD>
<TD width=77>
13.5 ～ 16.0 </TD>
<TD width=46>
2.0 </TD>
<TD width=45>
2.0 </TD>
<TD width=43>
0.03 </TD>
<TD width=61>
0.04 </TD>
<TD width=88>
Mo1.0 ～ 1.5
Ti1.9 ～ 2.35
V0.10 ～ 0.50 </TD>
<TD width=96>
CH2132 </TD></TR></TBODY></TABLE></DIV> </TD></TR></TBODY></TABLE>

decade 发表于 2006-10-20 20:06:04

Re: 紧固件用不锈钢

不错，好东西大家分享，谢了

ni010485 发表于 2006-10-28 11:15:19

Re: 紧固件用不锈钢

有这个方面的标准吗？

wu3601715 发表于 2006-11-18 10:19:06

Re: 紧固件用不锈钢

详细不锈钢紧固件标准社区里有！

HXLWH 发表于 2007-4-14 12:45:25

Re: 紧固件用不锈钢

好东西,谢谢分享!

skudy 发表于 2007-7-3 12:26:07

Re: 紧固件用不锈钢

多谢楼主

zhaoqinyan190 发表于 2007-7-3 13:19:17

Re: 紧固件用不锈钢

感谢，我想了解M12的内六角不锈钢螺钉的载荷，那位大侠能告诉我，（抗拉和剪切强度）。谢谢。

m02520728 发表于 2007-7-3 13:25:58

Re: 紧固件用不锈钢

谢谢楼主

wu3601715 发表于 2007-7-8 10:36:19

Re: 紧固件用不锈钢

有时我们也用ASTM 304HC,这种不锈钢的冷镦性能好!

页: [1]

机械社区's Archiver