Al99.8 铝焊条Al99.8 铝焊条 E1100 Al≥99.5%,σb80,σs30,δ530%,纯铝焊条AlMn 铝焊条AlMn 铝焊条 E3003 Mn1.3,Si0.4,Fe0.3,铝余量σb110,σs40,δ520%,铝锰合金焊条AlSi5 铝焊条AlSi5 铝焊条 E4043 Si5.0,Fe0.3,铝余量σb160,σs90,δ515%AlSi12 铝焊条AlSi12 铝焊条 Al 4047A AlSi12A
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