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BHG1 SPCC SPCD Single Wall Double Copper Coated Steel Tube Bundy Tube Single Wall Steel Tube
|Material::||SPCC, SPCD-SD, SPCD, SPCE||Thickness::||0.45-1.5mm|
|Size::||4*0.5, 4.2*0.5, 4.76*0.65||Shape::||Coil|
Single Wall Double Wall Copper Coated Steel Tube Bundy Tube Single Wall Steel Tube
Bundy tube, sometimes called Bundy pipe, is type of double-walled low-carbon steel tube manufactured by rolling a copper-coated steel strip through 720°F and resistance brazing the overlapped seam in a process called Bundywelding. It may be zinc coated for corrosion protection. It is primarily used in automotive hydraulic brake lines in cars. We can supply any type and diameter of Bundy Tube your requirement calls for.
2. Steel Grade
BHG1, SPCC, SPCD, SPCEN, ST14, ST15, ST16, DC04, DC05, DC06
3. Heat Treatment
BK or NBK
|W T||0.5-1.0mm (0.5-0.7mm common WT)|
|Length||180Kg/coil; 700-1000m/coil; per customer’s request|
5. Production Process
Tube welding– Cold drawing (reduce diameter)– Annealing in Protected Atmosphere— Cleaning-- Leakage detection– Zinc/Copper Plating– Keep pressure (Airtightness) – Packing
6. Surface Treatment
|Coating||Thickness||Salt spray test duration|
|Military Green Zinc||8μm||180h|
7. Packing: In coil, in wooden box with seaworthy packing
Fluid carrying system for automobiles
Fluid carrying system for refrigerators
Wire condenser for chillers, showcase
Vending machine, ice machine etc.