... wall steel bundy tube brand:Jretek certificate:CE copper clad single wall steel bundy tube Bundy Tube 1.Copper ... condenser,automobile brake system5,Standard:ASTM,DIN,UNI,GB6,Material:low carbon steel tube7,Copper plated or Zinc plated8, ... ,DIN,UNI,GB 2,Copper plated,Zinc plated 3,Material:low carbon steel tube O.D(mm)Thickness(mm) ... 530.710.000.712.000.712.700.7 copper clad single wall steel bundy tube