东莞市冠易金属制品有限公司

主营:不锈钢,模具钢,铜合金,钨钢,铝合金,弹簧钢,合金钢,轴承钢

供应2017铝板2A12铝棒铝合金

产品信息

产品详细

<p><strong>2A12<span quot;font-family: 宋体;">铝合金</span></strong></p> <p><span quot;font-family: 宋体;">  标准:</span>GB/T 3191-1998</p> <p><span quot;font-family: 宋体;">特性及适用范围:</span></p> <p><strong>2A12</strong><span quot;font-family: 宋体;"><strong>铝合金</strong>为一种高度度硬铝</span>,<span quot;font-family: 宋体;">可进行热处理强化</span>,<span quot;font-family: 宋体;">在退火、刚淬火和热状态下可塑性中等</span>,2A12<span quot;font-family: 宋体;">铝合鑫点焊焊接性良好,用气焊和氩弧焊时有形成晶间裂纹的倾向;</span>,2A12<span quot;font-family: 宋体;">铝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 quot;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></p> <p><span quot;font-family: 宋体;">化学成份:</span></p> <p><span quot;font-family: 宋体;">  铝</span>Al<span quot;font-family: 宋体;">:余量</span></p> <p><span quot;font-family: 宋体;">  硅</span>Si<span quot;font-family: 宋体;">:≤</span>0.50</p> <p><span quot;font-family: 宋体;">  铜</span>Cu<span quot;font-family: 宋体;">:</span>3.8<span quot;font-family: 宋体;">~</span>4.9</p> <p><span quot;font-family: 宋体;">  镁</span>Mg<span quot;font-family: 宋体;">:</span>1.2<span quot;font-family: 宋体;">~</span>1.8</p> <p><span quot;font-family: 宋体;">  锌</span>Zn<span quot;font-family: 宋体;">:≤</span>0.30</p> <p><span quot;font-family: 宋体;">  锰</span>Mn<span quot;font-family: 宋体;">:</span>0.30<span quot;font-family: 宋体;">~</span>0.9</p> <p><span quot;font-family: 宋体;">  钛</span>Ti<span quot;font-family: 宋体;">:≤</span>0.15</p> <p><span quot;font-family: 宋体;">  镍</span>Ni<span quot;font-family: 宋体;">:≤</span>0.10</p> <p><span quot;font-family: 宋体;">  铁</span>Fe<span quot;font-family: 宋体;">:</span>0.000<span quot;font-family: 宋体;">~</span>0.500</p> <p><span quot;font-family: 宋体;">  铁</span>+<span quot;font-family: 宋体;">镍</span>Fe+Ni<span quot;font-family: 宋体;">:</span>0.000<span quot;font-family: 宋体;">~</span>0.500</p> <p><span quot;font-family: 宋体;">  注:单个</span>:<span quot;font-family: 宋体;">≤</span>0.05<span quot;font-family: 宋体;">;合计</span>:<span quot;font-family: 宋体;">≤</span>0.10</p> <p><strong>2A12</strong><span quot;font-family: 宋体;"><strong>铝合金力学性能</strong>:</span></p> <p><span quot;font-family: 宋体;">  抗拉强度σ</span>b (MPa)<span quot;font-family: 宋体;">:≥</span>390</p> <p><span quot;font-family: 宋体;">  条件屈服强度σ</span>0.2 (MPa)<span quot;font-family: 宋体;">:≥</span>255</p> <p><span quot;font-family: 宋体;">  伸长率δ</span>5 (<span quot;font-family: 宋体;">%</span>)<span quot;font-family: 宋体;">:≥</span>12</p> <p><span quot;font-family: 宋体;">  注:棒材室温纵向力学性能</span></p> <p><span quot;font-family: 宋体;">  试样尺寸:棒材直径</span>(<span quot;font-family: 宋体;">方棒、六角棒内切圆直径</span>)<span quot;font-family: 宋体;">≤</span>22</p> <p><strong>2A12</strong><span quot;font-family: 宋体;"><strong>铝合金热处理</strong>规范:</span></p> <p>1)<span quot;font-family: 宋体;">均匀化退火:加热</span>480<span quot;font-family: 宋体;">~</span>495<span quot;font-family: 宋体;">℃;保温</span>12<span quot;font-family: 宋体;">~</span>14h<span quot;font-family: 宋体;">;炉冷。</span>2)<span quot;font-family: 宋体;">完全退火</span>:<span quot;font-family: 宋体;">加热</span>390<span quot;font-family: 宋体;">~</span>430<span quot;font-family: 宋体;">℃;保温时间</span>30<span quot;font-family: 宋体;">~</span>120min<span quot;font-family: 宋体;">;炉冷至</span>300<span quot;font-family: 宋体;">℃,空冷。</span>3)<span quot;font-family: 宋体;">快速退火:加热</span>350<span quot;font-family: 宋体;">~</span>370<span quot;font-family: 宋体;">℃;保温时间为</span>30<span quot;font-family: 宋体;">~</span>120min<span quot;font-family: 宋体;">;空冷。</span>4)<span quot;font-family: 宋体;">淬火和时效</span>:<span quot;font-family: 宋体;">淬火</span>495<span quot;font-family: 宋体;">~</span>505<span quot;font-family: 宋体;">℃</span>,<span quot;font-family: 宋体;">水冷;人工时效</span>185<span quot;font-family: 宋体;">~</span>195<span quot;font-family: 宋体;">℃</span>,6<span quot;font-family: 宋体;">~</span>12h,<span quot;font-family: 宋体;">空冷;自然时效</span>:<span quot;font-family: 宋体;">室温</span>96h<span quot;font-family: 宋体;">。</span></p>

联系方式

相关产品

拨打电话 立即询盘