... WT:0.5~120mm Best qualitywithlow cost DescriptionBrass pipe ,brass tubeStandardASTMB280,JIS H3300,AS/NZS1571,ASTM B446MaterialH59,H62,HPB59-1 ... they are of good heat conductibility. Furthermore, they are reliable in quality. Thus, they are widely used for heat exchangers, ... conditioner and refrigerators. The straight pipes can be used for oil transportation, brake pipes, water pipes and gas pipes for ...