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哈哈组:Sn50Pb50熔点183-216,回流最高温度要230-245之间,铅含量高的话焊点较软,不过用在LED灯的焊接是可满足焊点的强度要求,焊点光泽度比Sn63Pb37差,对于不耐高温的产品不建议使用该合金 (2019-05-15 14:50)
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