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7075简介编辑品名：7075铝管，7075铝合金管，7075铝方管铝7075是一种冷处理锻压合金，强度高，远胜于软钢。7075铝合金是商用强力合金之一。普通抗腐蚀性能、良好机械性能及阳极反应。细小
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2A12铝合金为一种高强度硬铝,可进行热处理强化,在退火、刚淬火和热状态下可塑性中等,2A12铝合金点焊焊接性良好，用气焊和氩弧焊时有形成晶间裂纹的倾向；,2A12铝合金在淬火和冷作硬化后
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