主营:特殊钢+模具钢+不锈钢+铝合金+铜合金
所在地:
浙江 杭州
产品价格:
电议
最小起订:
0
发布时间:
2011-08-27
有效期至:
2011-11-25
<h3 class=“headline-2 bk-sidecatalog-title“><span FONT-SIZE: medium“><span class=“headline-content“>特性</span></span></h3>
<p><span FONT-SIZE: medium“> 3A21铝板为Al-Mn系合金,3A21铝板是应用较广的一种防锈铝,强度不高(仅稍高于工业纯铝),不能热处理强化,故常采用冷加工方法来提高其力学性能;在退火状态下有高的塑性,在半冷作硬化时塑性尚好,冷作硬化时塑性低,耐蚀性好,焊接性良好,可切削性能不良。</span></p>
<h3 class=“headline-2 bk-sidecatalog-title“><span FONT-SIZE: medium“><span class=“headline-content“>化学成份:</span></span></h3>
<p><span FONT-SIZE: medium“> 铝 Al :余量</span></p>
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<p><span FONT-SIZE: medium“> 硅 Si :≤0.6</span></p>
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<p><span FONT-SIZE: medium“> 铜 Cu :≤0.20</span></p>
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<p><span FONT-SIZE: medium“> 镁 Mg:≤0.05</span></p>
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<p><span FONT-SIZE: medium“> 锌 Zn:≤0.10</span></p>
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<p><span FONT-SIZE: medium“> 锰 Mn:1.0~1.6</span></p>
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<p><span FONT-SIZE: medium“> 钛 Ti :≤0.15</span></p>
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<p><span FONT-SIZE: medium“> 钛+稀土 Ti+Zr:对挤压和锻造产品限定T i+Zr ≤0.20</span></p>
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<p><span FONT-SIZE: medium“> 铁 Fe: 0.000~ 0.700</span></p>
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<p><span FONT-SIZE: medium“> 注:单个:≤0.05;合计:≤0.10</span></p>
<h3 class=“headline-2 bk-sidecatalog-title“><span FONT-SIZE: medium“><span class=“headline-content“>力学性能:</span></span></h3>
<p><span FONT-SIZE: medium“> 抗拉强度 σb (MPa):≤186</span></p>
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<p><span FONT-SIZE: medium“> 伸长率 δ10 (%):≤2</span></p>
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<p><span FONT-SIZE: medium“> 注 :棒材室温纵向力学性能</span></p>
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<p><span FONT-SIZE: medium“> 试样尺寸:棒材直径(方棒、六角棒内切圆直径)≤165</span></p>
<h3 class=“headline-2 bk-sidecatalog-title“><span FONT-SIZE: medium“><span class=“headline-content“>热处理规范:</span></span></h3>
<p><span FONT-SIZE: medium“> 1) 均匀化退火:加热510~520℃;保温4~6h;空冷。2)快速退火:加热350~410℃;随材料有效厚度不同,保温时间30~120min;空或水冷。3)高温退火:加热350~500℃;成品厚度≥6mm时,保温时间10~30min、<6mm时,热透为止;空冷。4)低温退火:加热 250~300℃;保温时间为1~3h;空或水冷。</span></p>
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<p><span FONT-SIZE: medium“> 状态:铝及铝合金压型板(0.6~0.8mm,HX8态)</span></p>
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