... size,dimension 3.Long Service Time 4.Certification:ISO&CE&UL&SGS With CE&UL Approved Full Heat Dissipation Spiral Fin TubeFinned Electric Heating ... workpiece are including SUS304,SUS316,SUS321 3.Pipe Diameter are 6.6mm, 8.0mm and 10.0mm If a special diameter ... workpiece are included SUS304, SUS321, INCOLOY8404. Pipe Diameter areφ 6.6, φ 8.0, φ 10.0(If a special Diameter ...