上海长进金属制品有限公司

主营:铝板,铝棒,铝管,进口铝

供应供应2017铝卷

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<p><span class="headline-content" quot;font-size: medium;">特性及适用范围:</span></p> <p><span quot;font-size: medium;"> 为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、刚淬火和热状态下可塑性尚好,可热处理强化,在淬火和自然时效状态下使用,点焊焊接性良好,进行气焊及氩弧焊时有裂纹倾向;包铝板材有良好的腐蚀稳定性。可切削在淬火时效状态下尚好,在退火状态时不良。</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  2017的合金元素为铜,是靠前个获得工业应用的2系合金,具有很高的强度和良好的切削加工性能,但耐腐蚀性较差。主要应用于铆钉、通用机械零件、飞机、船舶、交通、建筑结构件、运输工具结构件、螺旋桨元件及配件。</span></p> <div class="bpctrl"><span quot;font-size: medium;"> </span></div> <h2 class="headline-1 bk-sidecatalog-title"><span quot;font-size: medium;"><a name="2"></a><span class="headline-content">化学成分:</span></span></h2> <p><span quot;font-size: medium;">  铁(Fe)0.7</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  锰(Mn)0.40~1.0</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  镁(Mg)0.4~0.8</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  硅(Si)0.2~0.8</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  锌(Zn)0.25</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  钛(Ti)0.15</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  铬(Cr)0.1</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  铜(Cu)3.5~4.5</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  铝(Al)余量</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  铁+镍Fe+Ni:0.000~0.700</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  注:单个:≤0.05;合计:≤0.10</span></p> <div class="bpctrl"><span quot;font-size: medium;"> </span></div> <h2 class="headline-1 bk-sidecatalog-title"><span quot;font-size: medium;"><a name="3"></a><span class="headline-content">力学性能:</span></span></h2> <p><span quot;font-size: medium;">  抗拉强度σb(MPa):≥370</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  条件屈服强度σ0.2(MPa):≥215</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  伸长率δ5(%):≥12</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  注:棒材室温纵向力学性能</span></p> <div class="spctrl"><span quot;font-size: medium;"> </span></div> <p><span quot;font-size: medium;">  试样尺寸:棒材直径(方棒、六角棒内切圆直径)≤150</span></p> <div class="bpctrl"><span quot;font-size: medium;"> </span></div> <h2 class="headline-1 bk-sidecatalog-title"><span class="headline-content" quot;font-size: medium;">热处理规范:</span></h2> <p><span quot;font-size: medium;">  1)均匀化退火:加热480~495℃;保温12~14h;炉冷。2)完全退火:加热390~430℃;保温时间30~120min;空冷。3)快速退火:加热350~370℃;保温时间为30~120min;空冷。4)淬火和时效:淬火495~510℃,水冷;人工时效155~165℃,6~10h,空冷;自然时效:室温96h.</span></p>

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