<p><span quot;font-size: large;"><span class="headline-content">2A12铝板介绍/简介  </span></span></p> <p><span quot;font-size: large;">特性及适用范围：为一种高度度硬铝,可进行热处理强化,在退火、刚淬火和热状态下可塑性中等,点焊焊接性良好，用气焊和氩弧焊时有形成晶间裂纹的倾向;合金在淬火和冷作硬化后可切削性能尚好，在退火状态时不良。抗蚀性不高,常采用阳较氧化处理与涂漆方法或表面加包铝层以提高抗腐蚀能力。 </span></p> <h2 class="headline-1 bk-sidecatalog-title"><span class="headline-content"><span quot;font-size: large;">2A12铝板化学成分分析</span></span></h2> <p><span quot;font-size: large;">　　铝 Al ：余量 </span></p> <p><span quot;font-size: large;">　　硅Si ：≤0.50 </span></p> <p><span quot;font-size: large;">　　铜 Cu ：3.8～4. </span></p> <p><span quot;font-size: large;">　　9镁 Mg：1.2～1.8 </span></p> <p><span quot;font-size: large;">　　锌 Zn：≤0.30 </span></p> <p><span quot;font-size: large;">　　锰 Mn：0.30～0.9 </span></p> <p><span quot;font-size: large;">　　钛 Ti ：≤0.15 </span></p> <p><span quot;font-size: large;">　　镍 Ni：≤0.10 </span></p> <p><span quot;font-size: large;">　　铁 Fe： 0.000～ 0.500 </span></p> <p><span quot;font-size: large;">　　铁+镍 Fe+Ni： 0.000～ 0.50 </span></p> <h2 class="headline-1 bk-sidecatalog-title"><span class="headline-content"><span quot;font-size: large;">2A12铝板生产工艺及特性</span></span></h2> <p><span quot;font-size: large;">　　飞机结构（蒙皮、骨架、肋梁、隔框等）、铆钉、导弹构件、卡车轮毂、螺旋浆元件及其他各种结构件。 </span></p> <h2 class="headline-1 bk-sidecatalog-title"><span class="headline-content"><span quot;font-size: large;">2A12技术标准</span></span></h2> <p><span quot;font-size: large;">　　GB/T3180-97 </span></p> <h2 class="headline-1 bk-sidecatalog-title"><span class="headline-content"><span quot;font-size: large;">2A12热处理状态</span></span></h2> <p><span quot;font-size: large;">　　 </span></p> <table border="0" width="665"> <tbody> <tr> <td width="216"><span quot;font-size: large;"><strong>O</strong><strong>、</strong><strong>T3</strong><strong>、</strong><strong>T361</strong><strong>、</strong><strong>T4</strong><strong>、</strong><strong>T72</strong><strong>、</strong><strong>T81</strong><strong>、</strong><strong>T861</strong></span></td> </tr> <tr> <td width="216"><span quot;font-size: large;"><strong>O</strong><strong>、</strong><strong>T351</strong><strong>、</strong><strong>T361</strong><strong>、</strong><strong>T851</strong><strong>、</strong><strong>T861</strong></span></td> </tr> <tr> <td width="216"><span quot;font-size: large;"><strong>O</strong><strong>、</strong><strong>T3</strong></span></td> </tr> <tr> <td width="216"><span quot;font-size: large;"><strong>O</strong><strong>、</strong><strong>T3</strong><strong>、</strong><strong>T3510</strong><strong>、</strong><strong>T3511</strong><strong>、</strong><strong>T81</strong><strong>、</strong><strong>T8510</strong><strong>、</strong><strong>T8511</strong></span></td> </tr> <tr> <td width="216"><span quot;font-size: large;"><strong>O</strong><strong>、</strong><strong>T13</strong><strong>、</strong><strong>T351</strong><strong>、</strong><strong>T4</strong><strong>、</strong><strong>T6</strong><strong>、</strong><strong>T851</strong></span></td> </tr> <tr> <td width="216"><span quot;font-size: large;"><strong>O</strong><strong>、</strong><strong>H13</strong><strong>、</strong><strong>T36</strong><strong>、</strong><strong>T4</strong><strong>、</strong><strong>T6</strong></span></td> </tr> <tr> <td width="216"><strong><span quot;font-size: large;">T4</span></strong></td> </tr> </tbody> </table>