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Chongqing Dongchong Aluminum Co,Ltd.

Chongqing Dongchong Aluminum Co.,LtdMore than ten thousand tons of aluminum plate coil inventory,
deep processing aluminum alloy products,the company is equipped with a strong logistics
and distribution mechanism, domestic customers 2-3 days door-to-door.

Hot key words: 铝板 铝卷厂家 铝带厂家
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铝板的密度是多少?
Upload time:2020-05-07
纯铝的密度(ρ=2.7g/cm3)比较小,大约百是铁的 1/3。 但是纯铝的强度很低,退火状态 σb 值约为8kgf/mm2,故不宜作结构材料。通过长期的生产实践和科学实验,人们逐渐以加入合金元素及运用热处理等方度法来强化铝,这就得到了一系列的铝合金。 添加一定元素形成的合金在保问持纯铝质轻等优点的同时还能具有较高的强度,σb 值分别可达 24~60kgf/mm2。这样使得其“比强度”(强度与比重的比值 σb/ρ)胜过很多合金钢,成为理答想的结构材料,广泛用于机械制造、运输机械、动力机械及航空工业等方面,飞机的机身、蒙皮、压气机等常以铝合金制造,以减轻自重。内采用铝合金代替钢板材料的焊接,结容构重量可减轻50%以上。
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