Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube

Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube

Product Details:

Place of Origin: Changzhou
Brand Name: Joyruns
Certification: ISO9001,ROHS
Model Number: 3.16*0.5,4.76*0.5,4.76*0.6, 4.76*0.7, 6*0.6, 6*0.7,

Payment & Shipping Terms:

Minimum Order Quantity: 2Tons
Packaging Details: wooden box packing, pallet packing
Delivery Time: 10days
Payment Terms: L/C, T/T
Supply Ability: 1500Tons/Month
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Detail Information

Surface Type: Zinc Coated/Galvanized Coated Outer Diameter(round): 3.16 - 10 Mm
Wall Thickness: 0.5mm-1.0mm Technique: Seamless
Material Grade: DC04, SPCC, BHG1, BHG2 Product Name: Joyruns Copper Brazed Double Wall Steel Tube For Refrigerators
High Light:

3.16*0.5mm Steel Bundy Tube

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EN10305-1 Steel Bundy Tube

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DC04 Thin Copper Tube

Product Description

Brazed Double Wall Zinc-coated Bundy tube used for Compressor

 

The manufacture of double-wall brazed steel tube uses steel sheets that have copper coated on both sides, so it has copper on both inside and outside surfaces as the original surface finish; while to manufacture the copper-coated single wall ERW steel tubes, steel sheets shall be coated with copper on the inside surface, rolled and welded, and then coated with copper on the outside surface finally.

 

Double-wall copper brazed steel tubing, also know as Bundy tube or Bundyweld tube, is the economical alternative to the seamless tube. It has many of the same qualities as seamless tubing and is suitable for most high-pressure applications.

High Dimensional Accuracy

Satisfying Mechanical Properties

Clean Inside Surface

We are offering Bundyweld tubes of regular sizes and at the same time capable of fabricating tubes of customized sizes.

Manufacture Standards

For Bundy tube manufacture, general standards of China, the US, Japan and other countries are very similar and replaceable and our tubes meet all of them, except that the material compositions are slightly different among countries.

China YB/T 4164

US ASTM A254, SAE J527

Japan JASO M101

Russia GOST 11249

India IS 8119

Tube Application

Automotive Hydraulic Brake Lines

Automotive Power Steering Lines

ACR Coolant Transmission Lines

Other Heat Exchanging Equipment

Other Fluid Transmission

Inspection

Eddy Current (Non-Destructive) & Visual Inspection

Flattening & Bending Test

Expansion & Flaring Test

Tension Test

Inside Surface Cleanliness Test

Pressure Proof Test

 

Brazed Double Wall Tubing

 

Double-wall tubing is produced by roll forming copper-coated carbon steel strip into a double wrapped tubular shape as shown in the cross-sectional diagram. The formed tube is passed through a controlled atmosphere brazing furnace where it is fused together to produce a sealed tube. Double-wall tubing is ideally suited for use in applications that are subject to high levels of vibration and fatigue, such as household and commercial refrigeration compressors.

 

Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube 0

Single-Wall Steel Tubing with the same coating range as double-wall tubing but with the addition of a nickel-coated internal diameter to withstand the corrosive environment created by modern-day fuels.

Single & Double Wall Steel Tubing Bundy tubes that can be combined with an extensive range of corrosion- and abrasion-prevention coatings such as NyAl (aluminum and polyamide coating), NyZinc (zinc and polyamide coating), NyGal (Galfan and polyamide coating), PVF and many others. These tubes can also be provided with a polypropylene jacket to provide outstanding abrasion resistance.

 

Single and Double Wall Bundy Tubes

 

Type Double Wall (TDW) Single Wall (TSW)
Welding Technique Copper brazing High-frequency ERW
Resizing Method Cold drawn Cold drawn
Seam 720 Degree seamless Straight-line seamed
Dimensional Accuracy High High
Strength Mostly made hard Can be soft or hard
Inside Cleanliness Good Poor
Vibration Resistance Strong Poor
Safety against Pressure High Low
Application Automobile brake lines, fuel lines, transmission cooler lines, power steering lines; certain hydraulic pipes, etc; AC, refrigeration, heat exchangers, automobile fuel lines; compressors, etc;
Original Surface Copper None (steel)
Surface Coating

Copper

Zinc

GALFAN

 

Copper

Zinc

 

 

Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube 1   Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube 2   Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube 3

 

Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube 4   Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube 5   Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube 6

 

Zinc Coated Steel Bundy Tube EN10305-1 DC04 Brazed Double Wall Zinc coated Tube 7

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