Silverbrazing银钎焊QJ101Silverbrazingflux银钎焊熔剂Brazingfluxofcopper,copperalloys,steelandstainlesssteelwithin550-750℃.在550-750℃范围钎焊铜及铜合金、钢及不锈钢的助熔剂QJ102Silverbrazingflux银钎焊熔剂Brazingfluxofcopper,copperalloys,steelandstainlesssteelwithin600-850℃.在600-850℃范围钎焊铜及铜合金、钢及不锈钢的助熔剂)