Bundy tube 1.Widely used:non-freon refrigerator, condenser, ... 0.7 mm,etc.The low carbon steel brake tube is supplied in single wall and double wall( ... pipes, fuel lines, transmission oil cooler lines, air conditioning tube, power steering, condenser, compressor, evaporator etc. Test ItemTechnical ... Wall Thickness0.70±0.1mm0.71mmFlaring TestFlaring≥25%30%Bending TestBend 180°in a Radius Three Times of ...