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四、铝钎焊钎料有几种?用途是什么?铝钎焊钎料按熔点分类,可分为难熔钎料(熔点高于450℃),又称硬钎料;易熔钎料(熔点低于450℃),又称软钎料。一般钎焊时钎料要与钎剂共同配合使用。铝及铝合金钎焊用的易熔钎料(软钎料)按其熔化温度又可分为低温、
Fourth, aluminum brazing solder there are several? What is the use? Aluminum brazing solder by melting point classification can be divided into refractory solder (melting point higher than 450 ℃), also known as brazing filler metal; fusible solder (melting point Below 450 ℃), also known as solder. Brazing flux should be used together with the flux when brazing. Aluminum and aluminum brazing with easy-melting solder (solder) according to its melting temperature can be divided into low-temperature,