... , Brazing, Conduit, Component Fittings, Thermocouples, pipe assembly, tube fabricate Ningbo Yinzhou Chaomei Machinery Parts Co., LtdRaw materials: stainless ... etc carbon steel Q195, Q235, 10#, 20# etc Al. alloy tube copper pipeTube Dia meter: 8mm- 76.2mm (0.315"-3 ... ")Tube thickness: 0.8mm-3mmBend method : Mandrel bendCentral line radius: 1D- ...