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5052高镁防锈铝 2024硬铝

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<p><span style=“COLOR: #0066cc“>① 7000</span><span style=“COLOR: #136ec2“>铝合金</span><span style=“COLOR: #0066cc“>是另外一种常用的合金,品种繁多.它包含有锌和镁.比较常见的铝合金中强度较好的就是7075合金,但是它无法进行焊接,而且它的抗腐蚀性相当差,很多CNC切削制造的零部件用的就是7075合金.锌在这系列中是主要合金元素,加上少许镁合金可使材料能受热处理,到达非常高度度特性。这系列材料一般都加入少量的铜、铬等合金,而其中以编号7075铝合金尤为上品,强度较高,适合飞机构架及高 强度配件。</span></p>
<p><span style=“COLOR: #0066cc“>  ② 属Al-Zn-Mg-Cu系超硬铝,该合金是20世纪40年代末期就已应用于飞机制造业,至今仍在航空工业上得到广泛应用的非常高度度变形铝合金。其特点是,固溶处理后塑性好,热处理强化效果特别好,在150℃以下有高的强度,并且有特别好的低温强度;焊接性能差;有应力腐蚀开裂倾向;需经包铝或其他保护处理使用。双级时效可提高合金抗应力腐蚀开裂的能力。在退火和刚淬火状态下的塑性稍低于同样状态的2A12.稍优于7A04,板材的静疲劳.缺口敏感,应力腐蚀性能优于7A04</span></p>
<h3 class=“headline-2 bk-sidecatalog-title“><span class=“headline-content“><span style=“COLOR: #0066cc“>化学成分、机械性能、物理性能图示</span></span></h3>
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<td width=“672“><span style=“COLOR: #0066cc“>化学成分分析</span></td>
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<td width=“76“><span style=“COLOR: #0066cc“>合金</span><span style=“COLOR: #0066cc“>  牌号</span></td>
<td width=“40“><span style=“COLOR: #0066cc“>硅</span><span style=“COLOR: #0066cc“>  Si</span></td>
<td width=“40“><span style=“COLOR: #0066cc“>铁</span><span style=“COLOR: #0066cc“>  Fe</span></td>
<td width=“45“><span style=“COLOR: #0066cc“>铜</span><span style=“COLOR: #0066cc“>  Cu</span></td>
<td width=“60“><span style=“COLOR: #0066cc“>锰</span><span style=“COLOR: #0066cc“>  Mn</span></td>
<td width=“60“><span style=“COLOR: #0066cc“>镁</span><span style=“COLOR: #0066cc“>  Mg</span></td>
<td width=“76“><span style=“COLOR: #0066cc“>铬</span><span style=“COLOR: #0066cc“>  Cr</span></td>
<td width=“42“><span style=“COLOR: #0066cc“>锌</span><span style=“COLOR: #0066cc“>  Zn</span></td>
<td width=“42“><span style=“COLOR: #0066cc“>钛</span><span style=“COLOR: #0066cc“>  Ti</span></td>
<td width=“107“><span style=“COLOR: #0066cc“>其 他</span></td>
<td width=“84“><span style=“COLOR: #0066cc“>铝</span></td>
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<td width=“59“><span style=“COLOR: #0066cc“>每个</span></td>
<td width=“48“><span style=“COLOR: #0066cc“>总计</span></td>
<td width=“84“><span style=“COLOR: #0066cc“>较小值</span></td>
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<td width=“76“><span style=“COLOR: #0066cc“>7075</span></td>
<td width=“40“><span style=“COLOR: #0066cc“>0.4</span></td>
<td width=“40“><span style=“COLOR: #0066cc“>0.5</span></td>
<td width=“45“><span style=“COLOR: #0066cc“>1.2-20</span></td>
<td width=“60“><span style=“COLOR: #0066cc“>0.3</span></td>
<td width=“60“><span style=“COLOR: #0066cc“>2.1-2.9</span></td>
<td width=“76“><span style=“COLOR: #0066cc“>0.18-0.28</span></td>
<td width=“42“><span style=“COLOR: #0066cc“>5.1-6.1</span></td>
<td width=“42“><span style=“COLOR: #0066cc“>0.2</span></td>
<td width=“59“><span style=“COLOR: #0066cc“>0.05</span></td>
<td width=“48“><span style=“COLOR: #0066cc“>0.15</span></td>
<td width=“84“><span style=“COLOR: #0066cc“>余量</span></td>
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<td width=“684“><span style=“COLOR: #0066cc“>机械性能分析(Typical Mechanical Properties)</span></td>
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<td width=“143“><span style=“COLOR: #0066cc“>铝合得奖号</span><span style=“COLOR: #0066cc“>  及状态</span></td>
<td width=“122“><span style=“COLOR: #0066cc“>拉伸强度</span></td>
<td width=“126“><span style=“COLOR: #0066cc“>屈服强度</span></td>
<td width=“142“><span style=“COLOR: #0066cc“>硬度</span></td>
<td width=“151“><span style=“COLOR: #0066cc“>延伸率</span></td>
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<td width=“122“><span style=“COLOR: #0066cc“>(250℃MPa)</span></td>
<td width=“126“><span style=“COLOR: #0066cc“>(250℃MPa)</span></td>
<td width=“142“><span style=“COLOR: #0066cc“>500kg力10mm球</span></td>
<td width=“151“><span style=“COLOR: #0066cc“>1.6mm(1/16in)厚度</span></td>
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<td width=“143“><span style=“COLOR: #0066cc“>ALLOYAND TEMPER</span></td>
<td width=“122“><span style=“COLOR: #0066cc“>Ultimate Tensile</span><span style=“COLOR: #0066cc“>  Strength</span></td>
<td width=“126“><span style=“COLOR: #0066cc“>Ultimate Tensile</span><span style=“COLOR: #0066cc“>  Strength</span></td>
<td width=“142“><span style=“COLOR: #0066cc“>Hardness</span></td>
<td width=“151“><span style=“COLOR: #0066cc“>Elongation</span></td>
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<td width=“143“><span style=“COLOR: #0066cc“>7075-T651</span></td>
<td width=“122“><span style=“COLOR: #0066cc“>572</span></td>
<td width=“126“><span style=“COLOR: #0066cc“>503</span></td>
<td width=“142“><span style=“COLOR: #0066cc“>150</span></td>
<td width=“151“><span style=“COLOR: #0066cc“>11</span></td>
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<td width=“660“><span style=“COLOR: #0066cc“>物理性能分析(Typical Physical Properties)</span></td>
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<td width=“108“><span style=“COLOR: #0066cc“>铝合得奖号</span><span style=“COLOR: #0066cc“>  及状态</span></td>
<td width=“160“><span style=“COLOR: #0066cc“>热膨胀系数</span><span style=“COLOR: #0066cc“>  (20-100℃)um/m.k</span></td>
<td width=“104“><span style=“COLOR: #0066cc“>熔点范围(℃)</span></td>
<td width=“144“><span style=“COLOR: #0066cc“>电导率20℃(68°F)(%ACS)</span></td>
<td width=“144“><span style=“COLOR: #0066cc“>电阻率20℃(68°F)m㎡/m</span></td>
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<tr>
<td width=“108“><span style=“COLOR: #0066cc“>ALLOY AND</span><span style=“COLOR: #0066cc“>  TEMPER</span></td>
<td width=“160“><span style=“COLOR: #0066cc“>Average Coefficient Of</span><span style=“COLOR: #0066cc“>  Thermal Expansion</span></td>
<td width=“104“><span style=“COLOR: #0066cc“>Melting Range</span></td>
<td width=“144“><span style=“COLOR: #0066cc“>Electrical Conductivity</span></td>
<td width=“144“><span style=“COLOR: #0066cc“>Electrical</span><span style=“COLOR: #0066cc“>  Resistivity</span></td>
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<td width=“108“><span style=“COLOR: #0066cc“>7075-T651</span></td>
<td width=“160“><span style=“COLOR: #0066cc“>23.6</span></td>
<td width=“104“><span style=“COLOR: #0066cc“>475-635</span></td>
<td width=“144“><span style=“COLOR: #0066cc“>33</span></td>
<td width=“144“><span style=“COLOR: #0066cc“>0.0515</span></td>
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</tbody>
</table>
<p><span style=“COLOR: #0066cc“>  (1)组合之元素性质以较高百分率表示,除非列出的是一个范围或是较低值。</span></p>
<p><span style=“COLOR: #0066cc“>  (2) 为了定出合适的数值限制,分析得来的观察或计算数值都是依据标准规则(ANSI Z25.1)</span></p>
<p><span style=“COLOR: #0066cc“>  以表示明确的范围。</span></p>
<p><span style=“COLOR: #0066cc“>  (3) 除了非合金外,合金内的元素所规定的份量通常在分析报告中指示出来。但如果在分析 过程中</span></p>
<p><span style=“COLOR: #0066cc“>  怀疑有其它元素存在或有部份元素被怀疑有过量的情形,更应进一步的分析直至有证实为止。</span></p>
<p><span style=“COLOR: #0066cc“>  (4) 不是经由精炼过程的非合金铝中的铝质的含量就是其它的金属的总量和高标准纯铝之差-其差别</span></p>
<p><span style=“COLOR: #0066cc“>  在于百份0.01或稍多一点。(百份比的小数点后第二位)</span></p>
<p><span style=“COLOR: #0066cc“>  (5) 较多可含有0.25%锆和钛。</span></p>
<p><span style=“COLOR: #0066cc“>  锌是7075中主要合金元素,向含3%-7.5%锌的合金中添加镁,可形成强化效果显著的MgZn2,使该合金的热处理效果远远胜过于铝-锌二元合金。提高合金中的锌、镁含量,抗拉强度会得到进一步的提高,但其抗应力腐蚀和抗剥落腐蚀的能力会随之下降。经受热处理,能到达非常高的强度特性。 诺贝尔公司0769-81663356</span></p>
<p><span style=“COLOR: #0066cc“>  7075材料一般都加入少量铜、铬等合金,该系当中以7075-T651铝合金尤为上品,被誉为铝合金中较优良的产品,强度高、远胜任何软钢。此合金并具有良好机械性及阳较反应。代表用途有航空航天、模具加工、机械设备、工装夹具,特别用于制造飞机结构及其他要求强度高、抗腐蚀性能强的高应力结构体。</span></p>
<h2 class=“headline-1 bk-sidecatalog-title“><span class=“headline-content“><span style=“COLOR: #0066cc“>7075铝板特点及用途</span></span></h2>
<p><span style=“COLOR: #0066cc“>  7075特点:</span></p>
<p><span style=“COLOR: #0066cc“>  1.高度度可热处理合金。</span></p>
<p><span style=“COLOR: #0066cc“>  2.良好机械性能。</span></p>
<p><span style=“COLOR: #0066cc“>  3.可使用性好。</span></p>
<p><span style=“COLOR: #0066cc“>  4.易于加工,耐磨性好。</span></p>
<p><span style=“COLOR: #0066cc“>  5.抗腐蚀性能、舒缓反应性好。</span></p>
<p><span style=“COLOR: #0066cc“>  7075铝板主要用途:</span></p>
<p><span style=“COLOR: #0066cc“>  航空固定装置,卡车,塔式建筑,船,管道及其他需要有强度、可焊性和抗腐蚀性能的建筑上的应用的领域。如:飞机零部件、齿轮和轴、熔丝零件、仪表轴和齿轮、导弹零件跳进阀零件、涡轮、钥匙、飞机、航空及国防应用。</span></p>
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