供应环保铝棒2024铝棒2024T8

<p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all; mso-pagination: widow-orphan; mso-outline-level: 1; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" align="center"><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 18.0pt;" lang="EN-US">2A</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 18.0pt;" lang="EN-US">12</span></p> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all; mso-pagination: widow-orphan;" align="center"><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　材料的简介：</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;"> </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">2A12</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">是什么材料：</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;"> </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">2A12</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">为铝－铜－镁系中的典型硬铝合金，其成份比较合理，综合性能较好。很多国家都生产这个合金，是硬铝中用量非常大的。该合金的特点是：强度高，有一定的耐热性，可用作</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">150°C</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">以下的工作零件。温度高于</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">125°C</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">，</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">2024</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">合金的强度比</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">7075</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">合金的还高。热状态、退火和新淬火状态下成形性能都比较好，热处理强化效果显著，但热处理工艺要求严格。抗蚀性较差，但用纯铝包覆可以得到有效保护</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">;</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">焊接时易产生裂纹，但采用特殊工艺可以焊接，也可以铆接。广泛用于飞机结构、铆钉、卡车轮毂、螺旋桨元件及其他种种结构件。　　</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">LY12</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">是国内的材料代号，现又改为</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">2A12</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">是变形铝合金的一种，是硬铝合金，主要为铝铜合金。</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;"> </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">对应美国</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">2124 </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">日本</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">2024 </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">2A12</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">力学性能：</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;"> </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　抗拉强度</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US"> σb (MPa)</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">：</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">≥390 </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　条件屈服强度</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US"> σ0.2 (MPa)</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">：</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">≥255 </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　伸长率</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US"> δ5 (</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">％</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">)</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">：</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">≥12 </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　注</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;"> </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">：棒材室温纵向力学性能</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;"> </span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　试样尺寸：棒材直径</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">(</span><span style="line-height: 150%; font-family: 宋体; color: black; font-size: 12pt; mso-font-kerning: 0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">方棒、六角棒内切圆直径</span><span style="line-height: 150%; font-family: Arial; color: black; font-size: 12pt; mso-font-kerning: 0pt;" lang="EN-US">)≤22</span></p> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all;" align="center"><span lang="EN-US"><span style="font-size: small;"> </span></span></p> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all;" align="center"><span style="font-size: small;"><span lang="EN-US">2024</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">基本信息　　</span><span lang="EN-US">2024</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，国内通常叫做</span><span lang="EN-US">2A</span><span lang="EN-US">12</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，相当于</span><span lang="EN-US">LY12</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，通用的板材标准为</span><span lang="EN-US">AMS-QQ-A-250/4</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">（非包铝）；</span><span lang="EN-US">AMS-QQ-A- <a href="http://detail.china.alibaba.com/buyer/offerdetail/795186320.html##" target="_blank"></a>250/5</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">（包铝），</span><span lang="EN-US">2024</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的合金元素为铜，被称为硬铝，具有很高的强度和良好的切削加工性能，但耐腐蚀性较差。广泛应用于飞机结构（蒙皮、骨架、肋梁、隔框等）、铆钉、导弹构件、卡车轮毂、螺旋桨元件及其他各种结构件，为</span><span lang="EN-US">Al-Cu-Mg</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">系。<a name="ref_[1]"></a><a name="1_1"></a>化学成分</span><span style="font-family: Arial; color: black;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all;" align="center"><span style="font-size: small;"><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　硅</span><span lang="EN-US"> 0.5% </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　铁</span><span lang="EN-US"> 0.5% </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　铜</span><span lang="EN-US"> 3.8-4.9 </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　锰</span><span lang="EN-US"> 0.0-0.9 </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　镁</span><span lang="EN-US"> 1.2-1.8 </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　铬</span><span lang="EN-US"> 0.10 </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　镍</span> <span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　锌</span><span lang="EN-US"> 0.25 </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　钛</span><span lang="EN-US"> 0.15</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">（</span><span lang="EN-US">5</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">）</span> <span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　其它</span><span lang="EN-US">(3) 0.15 </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　铝</span><span lang="EN-US">(4) </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">其余<a name="ref_[2]"></a><a name="1_2"></a>备注</span><span style="font-family: Arial; color: black;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all;" align="center"><span style="font-size: small;"><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　</span><span lang="EN-US">(1)</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">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> <span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　</span><span lang="EN-US">(2) </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">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</span><span lang="EN-US">(ANSI Z25.1)</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">以表示明确的范围。</span> <span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　</span><span lang="EN-US">(3) </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">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> <span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　</span><span lang="EN-US">(4) </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">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－其差别在于百</span> <span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">份</span><span lang="EN-US">0.01</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">或稍多一点。（百份比的小数点后第二位）</span> <span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">　　</span><span lang="EN-US">(5) </span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">较多可含有</span><span lang="EN-US">0.20%</span><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">锆和钛。</span> </span></p> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all;" align="center"><span style="font-size: small;"><span style="font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">物理性能</span><span style="font-family: Arial; color: black;" lang="EN-US"></span></span></p> <h3 style="text-align: center; line-height: 150%; margin: 13pt 0cm; word-break: break-all;"><a name="2_1"></a><span style="font-size: large;"><span style="font-family: Arial; color: black;" lang="EN-US">2024</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">的性能</span><span style="font-family: Arial; color: black;" lang="EN-US"></span></span></h3> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all;" align="center"><span style="font-size: small;"><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　</span><span style="font-family: Arial; color: black;" lang="EN-US">2024</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">为铝－铜－镁系中的典型硬铝合金，其成份比较合理，综合性能较好。很多国家都生产这个合金，是硬铝中用量非常大的。该合金的特点是：强度高，有一定的耐热性，可用作</span><span style="font-family: Arial; color: black;" lang="EN-US">150°C</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">以下的工作零件。温度高于</span><span style="font-family: Arial; color: black;" lang="EN-US">125°C</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">，</span><span style="font-family: Arial; color: black;" lang="EN-US">2024</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">合金的强度比</span><span style="font-family: Arial; color: black;" lang="EN-US">7075</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">合金的还高。热状态、退火和新淬火状态下成形性能都比较好，热处理强化效果显著，但热处理工艺要求严格。抗蚀性较差，但用纯铝包覆可以得到有效保护</span><span style="font-family: Arial; color: black;" lang="EN-US">;</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">焊接时易产生裂纹，但采用特殊工艺可以焊接，也可以铆接。广泛用于飞机结构、铆钉、卡车轮毂、螺旋桨元件及其他种种结构件。</span><span style="font-family: Arial; color: black;" lang="EN-US"> <a href="http://detail.china.alibaba.com/buyer/offerdetail/795186320.html##" target="_blank"></a> </span></span></p> <h3 style="text-align: center; line-height: 150%; margin: 13pt 0cm; word-break: break-all;"><a name="2_2"></a><span style="font-size: large;"><span style="font-family: Arial; color: black;" lang="EN-US">2024</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">用途</span><span style="font-family: Arial; color: black;" lang="EN-US"></span></span></h3> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all;" align="center"><span style="font-size: small;"><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　</span><span style="font-family: Arial; color: black;" lang="EN-US">2024</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">铝合金由于有高度度和好疲劳强度，被广泛应用在航空器结构上，尤其是机翼与机身结构下的受到张力的地方。　</span><span style="font-family: Arial; color: black;"> </span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　</span><span style="font-family: Arial; color: black;" lang="EN-US">2024</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">铝合金，密度为</span><span style="font-family: Arial; color: black;" lang="EN-US">2.73 g/cm&sup3; (0.098 lb/in&sup3;)</span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">。</span><span style="font-family: Arial; color: black;" lang="EN-US"> </span></span></p> <h3 style="text-align: center; line-height: 150%; margin: 13pt 0cm; word-break: break-all;"><a name="2_3"></a><span style="font-size: large;"><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">力学性能</span><span style="font-family: Arial; color: black;" lang="EN-US"></span></span></h3> <p class="MsoNormal" style="text-align: center; line-height: 150%; margin: 0cm 0cm 0pt; word-break: break-all;" align="center"><span style="font-size: small;"><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　抗拉强度</span><span style="font-family: Arial; color: black;" lang="EN-US"> σb (MPa) ) ≥425 </span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　条件屈服强度</span><span style="font-family: Arial; color: black;" lang="EN-US"> σ0.2 (MPa) )≥275 </span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　试样尺寸：所有壁厚</span><span style="font-family: Arial; color: black;"> </span><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">　　注：管材室温纵向力学性能</span>^{<span style="font-family: Arial; color: black;" lang="EN-US">[3]</span>}</span><a name="ref_[3]"></a><span style="font-family: Arial; color: black;" lang="EN-US"><span style="font-size: small;">? </span></span></p> <h3 style="text-align: center; line-height: 150%; margin: 13pt 0cm; word-break: break-all;"><a name="2_4"></a><span style="font-size: large;"><span style="font-family: 宋体; color: black; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">热处理工艺</span><span style="font-family: Arial; color: black;" lang="EN-US"></span></span></h3> <p><span style="font-family: 宋体; color: black; font-size: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">　　状态、退火和新淬火状态下成形性能都比较好，热处理强化效果显著，但热处理工艺要求严格。抗蚀性较差，但用纯铝包覆可以得到有效保护</span><span style="font-family: Arial; color: black; font-size: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;" lang="EN-US">;</span><span style="font-family: 宋体; color: black; font-size: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">焊接时易产生裂纹，但采用特殊工艺可以焊接，也可以铆接</span></p>