<table　width：　907pt;　border-collapse：　collapse;“　border=“0“　cellspacing=“0“　cellpadding=“0“　width=“1209“>
<colgroup　span=“1“><col　width：　907pt;　mso-width-source：　userset;　mso-width-alt：　38688;“　span=“1“　width=“1209“></col></colgroup>
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<td　class=“xl24“　width：　907pt;　height：　42pt;　background-color：　transparent;　border-color：　#d4d0c8;“　width=“1209“　height=“56“><span　FONT-SIZE：　small“><span　FONT-FAMILY：　宋体“>牌号：</span><span　class=“font6“>6351　</span><span　class=“font7“　FONT-FAMILY：　宋体“>铝合金</span><span　class=“font6“>6351　</span><span　class=“font7“　FONT-FAMILY：　宋体“>铝合金是</span><span　class=“font6“>6</span><span　class=“font7“　FONT-FAMILY：　宋体“>系列合金中强度较高的一种，强度比</span><span　class=“font6“>6061</span><span　class=“font7“　FONT-FAMILY：　宋体“>合金高，比</span><span　class=“font6“>6082</span><span　class=“font7“　FONT-FAMILY：　宋体“>合金稍低，如</span><span　class=“font6“>6351-T6</span><span　class=“font7“　FONT-FAMILY：　宋体“>型材要求较小抗拉强度为</span><span　class=“font6“>295Mpa</span><span　class=“font7“　FONT-FAMILY：　宋体“>，挤压成型性好，</span><span　class=“font6“>6351</span><span　class=“font7“　FONT-FAMILY：　宋体“>铝合金多用于公路交通设施的挤压结构材料，需要材料强度高的输气、输油、输水管道。</span><span　class=“font6“>　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　</span><span　class=“font6“>6351</span><span　class=“font7“　FONT-FAMILY：　宋体“>铝合金化学成分：</span><span　class=“font6“>　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　铝</span><span　class=“font6“>(Al)　</span><span　class=“font7“　FONT-FAMILY：　宋体“>余量</span><span　class=“font6“>,　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　锌</span><span　class=“font6“>(Zn)</span><span　class=“font7“　FONT-FAMILY：　宋体“>≤</span><span　class=“font6“>0.20,　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　钛</span><span　class=“font6“>(Ti)</span><span　class=“font7“　FONT-FAMILY：　宋体“>≤</span><span　class=“font6“>0.20,6351</span><span　class=“font7“　FONT-FAMILY：　宋体“>铝合金硅</span><span　class=“font6“>(Si)0.7</span><span　class=“font7“　FONT-FAMILY：　宋体“>～</span><span　class=“font6“>1.3,　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　铁</span><span　class=“font6“>(Fe)0.000</span><span　class=“font7“　FONT-FAMILY：　宋体“>～</span><span　class=“font6“>0.500,　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　锰</span><span　class=“font6“>(Mn)0.40</span><span　class=“font7“　FONT-FAMILY：　宋体“>～</span><span　class=“font6“>0.8,　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　镁</span><span　class=“font6“>(Mg)0.40</span><span　class=“font7“　FONT-FAMILY：　宋体“>～</span><span　class=“font6“>0.8,　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　铜</span><span　class=“font6“>(Cu)</span><span　class=“font7“　FONT-FAMILY：　宋体“>≤</span><span　class=“font6“>0.10　</span><span　class=“font7“　FONT-FAMILY：　宋体“>　　注：单个：≤</span><span　class=“font6“>0.05　</span><span　class=“font7“　FONT-FAMILY：　宋体“>合计：≤</span><span　class=“font6“>0.15</span></span></td>
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