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Brand Name : Joyruns
Model Number : 3.16*0.5,4.76*0.5,4.76*0.6, 4.76*0.7, 6*0.6, 6*0.7,
Certification : ISO9001,ROHS
Place of Origin : Changzhou
MOQ : 2Tons
Payment Terms : L/C, T/T
Supply Ability : 1500Tons/Month
Delivery Time : 10days
Packaging Details : wooden box packing, pallet packing
Surface treatment : Copper Coated/Zinc coated
Thickness : 0.5mm-1.0mm
Technique : ERW
Outer diameter(round) : 3.16 - 10 mm
Material : DC04, SPCC, BHG1, BHG2
Product name : Bundy Tube
Transport Package : Coils or Bundles, Then in Pallets or Wooden Boxes
Delivey Time : Within 15 Days
ASTM A254-97 BHG1 7.9*0.7mm Copper Coated Steel Bundy Tube
The Tube Applied for Condenser, Hydraulic System Industries, Copper brazed double-wall steel tube is made of steel strip which is copper plated on both sides. It has widely applied for automobiles, refrigerators and other hydraulic system industries.
Tube tolerance
outer diameter (φ) | wall thickness tolerance(mm) | wall thickness(mm) | diameter tolerance (mm) | weight (g/m) | weight Zinc(g/m) | weight PVF (g/m) | resistance to pressure (Mpa) | length(m/ton) | |
4.75(3/16″) | ±0.05 | 0.7 | ±0.12common ± 0.08 Higher | 70 | 71 | 72 | 88 | 13889 | |
6 | ±0.05 | 0.7 | ±0.12common ± 0.08 Higher | 91 | 92 | 93 | 70 | 10753 | |
6.35(1/4″) | ±0.05 | 0.7 | ±0.12common ± 0.08 Higher | 97 | 98 | 99 | 64 | 10101 | |
8(5/16″) | ±0.05 | 0.7 | ±0.12common ± 0.08 Higher | 125 | 127 | 128 | 51 | 7813 | |
9.52(3/8″) | ±0.10 | 0.7 | ±0.12common ± 0.08 Higher | 152 | 153 | 154 | 43 | 6494 | |
10 | ±0.10 | 0.7 | ±0.12common ± 0.08 Higher | 160 | 162 | 163 | 41 | 6135 | |
Mechanical Property | Yield Strength 6s ≥180Mpa Elongation δ≥25% Tensile Strength 6s ≥290Mpa | ||||||||
Test item | Flaring Test / Bending Test / Flattening Test / Pressure Test / SalJt mist Test |
Specification and performance of surface plating
Mark | Type | Typical Appearance | Aiti-corrosion Time |
A | Copper Tube | Bright or light blue | 6-8h |
B | White Zinc Tube | Rainbow and white | 24-36h |
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ASTM A254-97 BHG1 7.9*0.7mm Copper Coated Steel Bundy Tube For Condenser Images |