... Tube 1.Copper coated Steel Tube 2. Steel brake Bundy Tube 3.Galvanized brake Bundy Tube bundy steel tubecopper tube rectangularsquare copper ... Steel Tube 2. Steel brake Bundy Tube 3.Galvanized brake Bundy Tube 4,Use:refrigerator condenser,automobile brake system5,Standard:ASTM,DIN,UNI ... Wall thickness:0.5mm~0.7mm9Outer diameter:Φ3.18mm~Φ12mm Copper coated steel brake Bundy Tube1,Standard:ASTM,DIN,UNI,GB ...