QJ103 焊条QJ103 焊条Silver brazing flux银钎焊熔剂Brazing flux of copper, copper alloys, steel and stainless steel within 550-750℃.在550-750℃范围钎焊铜及铜合金、钢及不锈钢的助熔剂QJ201 焊条QJ201 焊条Aluminum brazing flux铝钎焊熔剂Brazing flux of aluminum and aluminum alloys within 450-620℃.在450-620℃范围钎焊铝及铝合金的助熔剂QJ207 焊条QJ207 焊条Aluminum brazing flux铝钎焊熔剂Brazing flux of aluminum and aluminum alloys within 560-620℃.在560-620℃范围钎焊铝及铝合金的助熔剂F221焊条F221焊条Cr26 W5 B0.7 Co Rem.HRc 43PTA hardfacing of sealing surface of high temperature and high pressure valve and the edge of hot shearing tool.高温高压阀门密封面、热剪切刃口的等离子喷焊F223焊条F223焊条Cr21 W5 B1.5 Co Rem.HRc 40PTA hardfacing of parts resistance to wear and corrosion at high temperature, such as valve under high temperature and high pressure, and blower.高温下耐磨耐蚀件的喷焊,如高温高压阀门、鼓风机
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