斯米克HL303银焊条
价格:320.00
银基钎料HL302相当国标BAg25CuZn相当AWSBAg-37熔点:745-775℃用途:钎焊铜及铜合金、钢及不锈钢等HL303相当国标BAg45CuZn相当AWSBAg-5熔点:660-725℃用途:钎焊铜及铜合金及不锈钢等HL304相当国标BAg50CuZn相当AWSBAg-6熔点:690-775℃用途:钎焊铜及铜合金、钢等HL308相当国标BAg72Cu相当AWSBAg-8熔点:779-780℃用途:铜和镍的真空或还原保护气氛钎焊)