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:
42.00元/KG(大量采购价格面议)
最小起订:
0
发布时间:
2011-08-27
有效期至:
2011-11-25
产品详细
<h3 class=“headline-2 bk-sidecatalog-title“><span style=“FONT-SIZE: medium“><a name=“1_2“></a><span class=“headline-content“>应用范围</span></span></h3>
<p><span style=“FONT-SIZE: medium“> 5754铝板广泛应用于焊接结构、贮槽、压力容器、船舶结构与海上设施、运输槽罐以及用于要求有优良加工性能、优良耐蚀性、高疲劳强度、高可焊性和中等静态强度的场合。</span></p>
<h3 class=“headline-2 bk-sidecatalog-title“><span style=“FONT-SIZE: medium“><a name=“1_3“></a><span class=“headline-content“>铝板表面</span></span></h3>
<p><span style=“FONT-SIZE: medium“> 1、表面不允许有裂纹、腐蚀斑点和硝盐痕迹。</span></p>
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<p><span style=“FONT-SIZE: medium“> 2、表面上允许有高层度不超过缺点所在部位壁厚公称尺寸8%的起皮、气泡、表面粗超和局部机械损伤,但缺点非常大高层度不能超过0.5mm,缺点总面积不超过板材总面积的5%。</span></p>
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<p><span style=“FONT-SIZE: medium“> 3、允许供货方沿型材纵向打光至表面光滑。</span></p>
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<p><span style=“FONT-SIZE: medium“> 4、其他要求:有需求方和供货方自己拟定</span></p>
<h3 class=“headline-2 bk-sidecatalog-title“><span style=“FONT-SIZE: medium“><a name=“2_1“></a><span class=“headline-content“>化学成分</span></span></h3>
<p><span style=“FONT-SIZE: medium“> 硅 Si :0.40 ;</span></p>
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<p><span style=“FONT-SIZE: medium“> 铜 Cu :0.10;</span></p>
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<p><span style=“FONT-SIZE: medium“> 镁 Mg:2.6~3.6 ;</span></p>
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<p><span style=“FONT-SIZE: medium“> 锌 Zn:0.2 ;</span></p>
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<p><span style=“FONT-SIZE: medium“> 锰 Mn:0.50 ;</span></p>
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<p><span style=“FONT-SIZE: medium“> 铬Cr :0.30 ;</span></p>
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<p><span style=“FONT-SIZE: medium“> 铁 Fe: 0.40;</span></p>
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<p><span style=“FONT-SIZE: medium“> 铝 Al :余量 。</span></p>
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<p><span style=“FONT-SIZE: medium“> 单个:0.05。</span></p>
<h3 class=“headline-2 bk-sidecatalog-title“><span style=“FONT-SIZE: medium“><a name=“2_2“></a><span class=“headline-content“>力学性能</span></span></h3>
<p><span style=“FONT-SIZE: medium“> 抗拉强度 σb (MPa):165~265。</span></p>
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<p><span style=“FONT-SIZE: medium“> 铝板带国家标准(GB/T 3880-2006),适用于铝合金板带材料的统一标准。</span></p>
<h3 class=“headline-2 bk-sidecatalog-title“><span style=“FONT-SIZE: medium“><a name=“2_3“></a><span class=“headline-content“>热处理工艺</span></span></h3>
<p><span style=“FONT-SIZE: medium“> 1)均匀化退火:加热440℃;保温12~14h;空冷。</span></p>
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<p><span style=“FONT-SIZE: medium“> 2)快速退火:加热350~410℃;保温时间30~120min;空或水冷。</span></p>
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<p><span style=“FONT-SIZE: medium“> 3)高温退火:加热350~420℃;成品厚度≥6mm或<6mm时,保温时间为2~10min或10~30min;空冷。</span></p>
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<p><span style=“FONT-SIZE: medium“> 4)低温退火:加热250~300℃或150~180℃;保温时间为1~2h,空冷.</span></p>