ALUMINIUM TUBE
At KRN Heat Exchanger & Refrigeration Ltd., our Aluminium Tubes (AL Tubes) are engineered for reliability, precision, and superior thermal conductivity, making them ideal for use in Roll Bond Evaporators, Frost-Free Evaporators, and other refrigeration applications. Designed and manufactured as per IS 737:2008 and GB/T 3880-2006 standards, these tubes ensure exceptional corrosion resistance, lightweight design, and efficient heat transfer.
Design & Construction
- Tube Type: Seamless and Inner Groove Tubes (IGT)
- Material Grades: A1050-O, A1060-O, A1070-H14
- Purity: Up to 99.7 % aluminum
- Tube Outer Diameters: 6.35 mm & 7.94 mm (± 0.05 mm tolerance)
- Wall Thickness: 0.45 mm – 1.00 mm (± 0.05 mm tolerance)
- Temper: O / H14
- Surface Finish: Clean, smooth, and oxidation-free; internal residue ≤ 0.038 g/m²
- Testing: 100 % Eddy-Current Tested (ASTM E243) for leak-free performance
- Standards Compliance: ANSI H35.2(M)-2009, EN 10204 Type 3.1 certification
Packaging & Storage
- Each coil ≈ 60 – 70 kg, properly labelled with Part Name, Grade, Specification, Lot Number, Net Weight, and Packaging Date.
- Stored in a clean, dry, and humidity-controlled warehouse (≤ 65 %) with no corrosive gases or chemical exposure.