Copper Coating Bundy Tube

Copper coating bundy tube   Product Description We can supply all kinds of condenser coated bundy tube, copper coated tube, codenser pipe, bundy tube, steel pipe 1.product name: copper coated bundy steel tube   2. standard and Materia:ASTM A254  BHG2 low carbon steel 3. Size:OD 4mm --12.7mm, W.T: 0.5mm--1.0mm 4. Copper coating thickness: 0.3um+/-0.05um 5.  Treatment: copper coated  6.  Product application: refrigeration,auto brake system 7. Surface outlook: Both ends of tube without rag, corner processing, smooth, absence of istortion. 8.  Packing: plastic bag inside, iron frame fixed 9. Certification: ISO9001, ROHS Chemical Composition C Si Mn P S ≤0.08% ≤0.03% ≤0.03% ≤0.02% ≤0.02%   Chemical Composition   Machnical Properties   Tensile Strength   ≥290Mpa   Yield Strength   ≥180Mpa   Elongation   ≥20%   Salt spray test   24hours   Inside Surface Cleanliness   ≤20g/m2   The tolerance allowed for the OD of the steel tube: OD The tolerance allowed (based on no coating) < 4.76 ±0.05mm 4.76 ~ 8.00 ±0.08mm > 8.00 ~ 12.00 ±0.10mm