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Bundy tubes (double wall copper brazed steel tubing) of different surface finishes, such as original copper plating, zinc plating, PVF coating, Nylon coating, and also epoxy coating.

Polymer Coated Bundy Steel Tube

Engineered Industries Limited supply polymer coated Bundy steel tubes used for automotive and other hydraulic applications. Tubes are coated with polymer materials such as PVF, nylon, and epoxy for better corrosion protection than zinc plating. Tube size: 1/8″, 4mm, 3/16″, 6mm, 1/4″, 5/16″, 8mm, 3/8″, 10mm, 12mm, 1/2″. Contact us for more details. Please click […]

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3/16 Bundy Tubing Bundy Pipe

Tube: double wall Bundy welded steel tube. OD: 3/16″, 4.76mm. Wall Thickness: 0.5mm, 0.6mm, 0.028″, optional. Surface Coating: original copper/white zinc/colorful zinc/olive green zinc plated/PVF coated/Nylon coated/AlGal coated.

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ASTM A254 7×0.7mm Bundy Welded (Brazed) Steel Pipe OD 7mm Wall 0.7mm

Now have plenty of stock of 7×0.7mm Bundy tubes, with copper coated both inside and outside. Please don’t hesitate to contact us to get an quote! Product: copper brazed steel tube, double wall, Bundy welded; OD: 7mm; Wall: 0.7mm, 0.028″; MFG method: copper brazed (Bundy welded), followed by cold drawing and re-annealing; Mechanical properties: following […]

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Bundy Weld SAE J527 Brazed Steel Tubing

SAE J527 defines the standard specifications for double walled steel tubing (copper brazed). Engineered Industries Limited offers double walled SAE J527 tubing with great quality, and very quick delivery. We have plenty of stock of regular size tubing, and offer flexible packing and shipping options based on many year experience of ocean freight and airway […]

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Double Walled ASTM A254 Steel Tubing

ASTM A254 defines the standard specifications for double walled steel tubing (copper brazed). Engineered Industries Limited offers double walled ASTM A254 tubing with great quality, and very quick delivery. We have plenty of stock of regular size tubing, and offer flexible packing and shipping options based on many year experience of ocean freight and airway […]

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Double Wall Brazed Steel Tubing Dark/Olive Green Zinc Plated

Tube Type: Double wall, copper brazed Surface Finish: copper inside as original plating, zinc plated outside and treated with dark green (olive green) chromate Tube Size: OD, mm  Wall Thickness, mm  0.5 0.6 0.7 0.8 0.9 1 1.3  Unit Weight (Theoretical), g/m  3.18 33.0 38.2 42.8 47.0  4 43.2 50.3 57.0 63.1  4.76 52.5 61.6 […]

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1/8″ 3.17mm OD Copper Brazed Double Wall Capillary Steel Tube

Tube Type: Double wall brazed MFG: Bundy welding OD: 3.17mm, 1/8″ Wall: 0.7mm, 0.6mm, 0.5mm optional Heat Treatment: Extra annealed to soft condition Typical Mechanical Performance: Tensile 310~350 MPA, yield 210~240MPa, elongation 30~35%. Typical Application: Replacing copper tubes used in ACR compressors Packaging: Rolled in small coils fit in carton box, or cut to straight […]

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