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Nanjing Metalli Industrial Co., Ltd.

High Frequency Welding Tube, Welded Aluminum Tube, Welded Tube manufacturer / supplier in China, offering High Frequency Welding Aluminum Tube, Hot Sale Aluminum Coil for Nocolok, Best Performance Computer / PC CPU Water Cooling Plate and so on.

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Supplier Homepage Product Heat exchanger part Welding aluminum tube High Frequency Welding Aluminum Tube

High Frequency Welding Aluminum Tube

FOB Price: US $6.25 / Kg
Min. Order: 500 Kg
Min. Order FOB Price
500 Kg US $6.25/ Kg
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Port: Shanghai, China
Production Capacity: 500 Tons Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Money Gram

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Basic Info
  • Model NO.: wat1002
  • Surface Treatment: Original
  • Alloy: Alloy
  • Alloy Number: AA3003/4343/7072,etc.
  • Width: 15 to 50 mm
  • Wall Thickness: 0.25 to 0.5 mm
  • Twist: Max 1mm Per 1 Meter Length
  • Pressure Tightness: Over 3.7 MPa
  • Transport Package: Best Suitable Packing Way
  • Shape: Square,Rectangle,Round,etc.
  • Grade: 3000 Series or 4000 Series
  • Temper: O - H112
  • Length: up to 5000 mm
  • Height: 1.5 to 5 mm
  • Depth of Curvature: Max 2mm Per 1 Meter Length
  • Flatness: Max 2mm Per 1 Meter Length
  • Application: Auto Heat Exchanger
  • Origin: Jiangsu, China
Product Description
1. Material
No.ClassificaitonLayerAlloy NumberCladding Ratio
1.2CladdingOuter claddingAA43438%-12%
Inner claddingAA4343/70728%-12%
2. Product size and tolerance
2.1Width (mm)15 to 50within ±0.08
2.2Height (mm)1.5 to 5±0.06
2.3Wall Thickness (mm)0.25 to 0.5±0.015
3. Chemical composition for alloys
No.AA numberChemical Composition (%)
3.130030.60.70.05-0.21-   0.050.15RE
3.243436.8-   0.050.15RE
3.270720.   0.050.15RE
4. Mechanical properties
No.Alloy numberTemperYield Strength
Tensile Strength
Rm (Mpa)
Typical usage
4.13003O3595-13510Auto. Heat exchanger welded tube
4.23003H1290120-1750.5Auto. Heat exchanger welded tube
4.33003H14125145-2000.5Auto. Heat exchanger welded tube
4.43003H24125145-2056Auto. Heat exchanger welded tube
4.54343O3595-1508Auto. Heat exchanger welded tube
4.64343H14120140-2000.5Auto. Heat exchanger welded tube
5. Surface finish and other properties
5.1Surface finisha. shall be free from pinholes and tearing; b. shall be free from waves and buckles; c. shall be bright,clear from dirts
5.2Depth of CurvatureIn any length of 1 meter of the material,the depth of arc shall not exceed 2mm
5.3TwistIn any length of 1 meter of the material,the depth of arc shall not exceed 1mm
5.4FlatnessIn any length of 1 meter of the material,the depth of arc shall not exceed 2mm
5.5Pressure tightnessOver 3.7 Mpa
6. Packing,Shipping and others
6.1PackingTo be packed in wooden crate with polythene cover for water protection
6.2MarkingEach box to be legibly marked with the name of the manufacturer or supplier, the alloy designation of material,condition,dimensions and weight
6.3Shipping toolsShip goods by van to departune port then by sea to desitination port
6.4Quantity variation±10% variation with order quantity shall be acceptable
7.Quality management and spot management
7.1Quality control1. Quality assurance
a. Incoming material quality assurance; b. Process quality assurance; c. First sample quality assurance; d. Final quality assurance.
2. Process management-The right results are from the right process
a. Production process card control; b. Standard operational procedure;c.Job certification;d. Quality chart monitor.
3. Equipment and facility management
a. Periodic maintenance; b.Preventative maintenance.
4. Mold management
a. Mold life management; b.Periodic and preventative maintenance; c. Periodic inspection.
7.2Inspection ToolsAltimeter,Vernier caliper,Micrometer,3D coordinate measuring instrument
7.3Spot management"5S" management (sort,set in order,shine,standard,sustainable).

High Frequency Welding Aluminum Tube
8. Introduction to pipe welding

Pipe welding generally refers to a set of professional skills used for the joining of pieces of metal. Welding is one of the most cost-efficient means of joining multiple sections of pipe and involves heating pieces of metal and joining them so that the resulting product becomes a single piece of metal. This task generally requires welders to learn several methods of connecting pipes and to understand the factors that affect the quality of the connections that they intend to make. Many of the individuals who engage in pipe welding are professionals who specialize in this area of metal work, and they are usually certified.
Although many individuals may have the ability to weld pipes, the tasks are often reserved for those who are certified. This is because pipes are often used to transport hazardous materials, which can pose a risk to individuals and the surrounding environment if connections or repairs are not done properly. Errors, even when non-hazardous material is concerned, can also be very problematic. Certification generally involves passing a number of tests, which tends to require a person to master several welding techniques in advance.
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