... in condensers and evaporators. Low Carbon Single Wall Steel Tube Detailed Product DescriptionLow Carbon Single Wall Steel Tube widely be used in ... ) Standard: ASTM,DIN,GB etc.3) Outside diameter: Φ3.17mm~Φ10.00mm4) Wall thickness: 0.4mm~1.0mm5) Materials:BHG,SPHC ... , Copper-coated,etc.8) Packing: N2 pressure inside Low Carbon Single Wall Steel Tube