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2A11铝板/铝棒/铝合金

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<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "宋体"; color: #ff0000; font-size: 10.5pt; mso-spacerun: "yes";">2A11<span style="font-family: 宋体;">铝板</span></span><span style="font-family: "宋体"; color: #ff0000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">材料名称:<span style="font-family: ˎ̥;">2A11</span><span style="font-family: 宋体;">旧称:</span><span style="font-family: ˎ̥;">LY11</span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">主要特性及应用:</span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">这是应用较早的一种硬铝,一般称为标准硬铝,具有中等强度,在退火、刚淬火和热切期望状态下可塑性好,热处理强化,在淬火和自然时效状态下使用,点焊焊接性良好,用<span style="font-family: ˎ̥;">2A11</span><span style="font-family: 宋体;">作焊料进行及氩弧焊时有裂纹的倾向;包铝板有良好的稳定性,不包铝的则抗蚀性不高,在加热超过</span><span style="font-family: ˎ̥;">1000C</span><span style="font-family: 宋体;">有产生晶间腐蚀倾向,表面阳较氧化和涂漆能可靠地保护挤压与锻造零件免于腐蚀。可切削在淬火时效状态尚好,在退火状态时不良。</span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">化学成分</span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  化学成分: </span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  硅<span style="font-family: ˎ̥;">Si</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">0.7 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  铁<span style="font-family: ˎ̥;">Fe: 0.7 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  铜<span style="font-family: ˎ̥;">Cu</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">3.8-4.8 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  锰<span style="font-family: ˎ̥;">Mn</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">0.40-0.8 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  镁<span style="font-family: ˎ̥;">Mg</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">0.40-0.8 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  锌<span style="font-family: ˎ̥;">Zn</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">0.30 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  钛<span style="font-family: ˎ̥;">Ti</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">0.15 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  镍 <span style="font-family: ˎ̥;">NI</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">0.1 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  铁<span style="font-family: ˎ̥;">+</span><span style="font-family: 宋体;">镍</span><span style="font-family: ˎ̥;">Fe+Ni</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">0.50 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  铝<span style="font-family: ˎ̥;">Al</span><span style="font-family: 宋体;">:余量 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  其他: </span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  单个<span style="font-family: ˎ̥;">:0.05</span><span style="font-family: 宋体;">;合计</span><span style="font-family: ˎ̥;">:0.10 </span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">   </span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">力学性能: </span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  抗拉强度 <span style="font-family: ˎ̥;">σb (MPa) ) ≥370 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  条件屈服强度 <span style="font-family: ˎ̥;">σ0.2 (MPa) )≥215 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  伸长率 <span style="font-family: ˎ̥;">δ5 (</span><span style="font-family: 宋体;">%</span><span style="font-family: ˎ̥;">)</span><span style="font-family: 宋体;">:</span><span style="font-family: ˎ̥;">≥12 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  注 :棒材室温纵向力学性能 </span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  试样尺寸:棒材直径<span style="font-family: ˎ̥;">(</span><span style="font-family: 宋体;">方棒、六角棒内切圆直径</span><span style="font-family: ˎ̥;">)≤150 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  <span style="font-family: ˎ̥;">2A11</span><span style="font-family: 宋体;">铝合金热处理规范: </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  <span style="font-family: ˎ̥;">1) </span><span style="font-family: 宋体;">均匀化退火:加热</span><span style="font-family: ˎ̥;">480</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">495</span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">℃</span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">;保温<span style="font-family: ˎ̥;">12</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">14h</span><span style="font-family: 宋体;">;炉冷。</span><span style="font-family: ˎ̥;">2)</span><span style="font-family: 宋体;">完全退火:加热</span><span style="font-family: ˎ̥;">390</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">430</span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">℃</span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">;保温时间<span style="font-family: ˎ̥;">30</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">120min</span><span style="font-family: 宋体;">;空冷。</span><span style="font-family: ˎ̥;">3)</span><span style="font-family: 宋体;">快速退火:加热</span><span style="font-family: ˎ̥;">350</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">370</span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">℃</span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">;保温时间为<span style="font-family: ˎ̥;">30</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">120min</span><span style="font-family: 宋体;">;空冷。</span><span style="font-family: ˎ̥;">4)</span><span style="font-family: 宋体;">淬火和时效:淬火</span><span style="font-family: ˎ̥;">495</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">510</span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">℃</span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">,<span style="font-family: 宋体;">水冷;人工时效</span><span style="font-family: ˎ̥;">155</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">165</span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">℃</span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">,<span style="font-family: ˎ̥;">6</span><span style="font-family: 宋体;">~</span><span style="font-family: ˎ̥;">10h,</span><span style="font-family: 宋体;">空冷;自然时效:室温</span><span style="font-family: ˎ̥;">96h</span><span style="font-family: 宋体;">。 </span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">2A11<span style="font-family: 宋体;">铝合金状态:铝及铝合金挤压棒材</span><span style="font-family: ˎ̥;">(≤150mm,H112</span><span style="font-family: 宋体;">、</span><span style="font-family: ˎ̥;">T4</span><span style="font-family: 宋体;">态</span><span style="font-family: ˎ̥;">)</span></span><span style="font-family: "宋体"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">2A12<span style="font-family: 宋体;">铝板</span><span style="font-family: ˎ̥;">GB/T3180-97</span></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt;"><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";">  特性及适用范围:为一种高度度硬铝<span style="font-family: ˎ̥;">,</span><span style="font-family: 宋体;">可进行热处理强化</span><span style="font-family: ˎ̥;">,</span><span style="font-family: 宋体;">在退火、刚淬火和热状态下可塑性中等</span><span style="font-family: ˎ̥;">,</span><span style="font-family: 宋体;">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</span><span style="font-family: ˎ̥;">;</span><span style="font-family: 宋体;">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</span><span style="font-family: ˎ̥;">,</span><span style="font-family: 宋体;">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></span><span style="font-family: "ˎ̥"; color: #000000; font-size: 10.5pt; mso-spacerun: "yes";"></span></p> <!--EndFragment-->

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