Advantages of Aluminum Fin Stock

 The advantages of pure aluminum strips are good thermal conductivity, electrical conductivity and ductility, and are often used in transformers, cable armoring, metal stamping, lampshades, radiator fins, etc. In the H24 semi-hard temper, the pure aluminum strip has good bending and punching properties. The typical alloys are 1060 aluminum strip.

Due to the high aluminum content, the aluminum fin stock has the advantages of good heat dissipation and thermal conductivity. In recent years, it has been used more and more in the refrigeration, electronics and other industries. After being processed by professional winding equipment, aluminum strip can play a high heat dissipation effect, and it is a common material in the refrigeration industry, especially in recent years.

The base plate of the air-cooled radiator is usually formed by extrusion of 6063 aluminum alloy, and then fins made of 1050 aluminum strip. The water-cooled radiator is made of cooling tubes and fins made of 4 series/3series aluminum alloy composite plates after processing and brazing. Aluminum alloy composites are the key raw materials for the manufacture of brazed heat exchangers such as automotive radiators.

The aluminum strip is processed by the aluminum coil into the slitting equipment, so the processing thickness and tolerance of the aluminum strip are closely related to the slitting equipment. Our aluminum strip slitting equipment is all from Germany, which can effectively control the width tolerance. The tolerance is controlled within 0.05mm.

Aluminum strips of the same aluminum alloy will affect the price due to different widths and different packaging methods. In principle, the smaller the width and the smaller the inner diameter, the higher the price. The common width is more than 200 mm, and the commonly used inner diameter is 500 mm, so It is suggested that if the user has no specific requirements for the inner diameter, the inner diameter of 500mm can be selected.

As one of the big aluminum fin stock manufacturers, Haomei Aluminum has complete specifications of aluminum strips for you to choose from. Welcome to leave message below to inquire what you need.

Original source: https://www.aluminumstrip24.com/news/advantages-of-aluminum-fin-stock.html

3003 Aluminum Strip for Radiator Fin

 3003 aluminum strip is often used to make radiator fin, which is welded to the radiator water pipe by brazing to form a radiator core. Due to the low yield strength of the aluminum alloy 3003 after brazing during use, the radiator core easily collapses during the brazing process. At the same time, the brazing core body is not high in compressive strength and is easily deformed during use.

To solve this problem, Haomei Aluminum improves the proportion of each alloy elements. It increases the content of silicon (Si), magnesium (Mg), zinc (Zn) and zirconium (Zr) on the basis of the 3003 standard aluminum alloy.

Among them, high content of silicon (Si) can form coarse grains during high temperature brazing process, thereby improving the support strength at high temperature. The ncrease of magnesium (Mg) content can significantly increase the yield strength of the aluminum fin stock and after brazing and improve the overall strength of the core body.
The increase of zinc (Zn) content can reduce the corrosion potential of aluminum alloy, thereby playing an electrochemical anti-corrosion effect, and significantly improving the service life of the radiator. At the same time, adding zirconium (Zr) element can form Zr A 13, which significantly improve the anti-collapse effect of the radiator at high temperatures.
For this application, 3003 aluminum strip is 0.007 mm thick and its collapse value is 10mm in the H14 state at a brazing temperature of 600°C for 10 minutes, while the standard 3003 aluminum alloy has a collapse value of 30mm under the same conditions.
The tensile strength of 3003 aluminum fin stock at room temperature is 205-245 MPa, the yield strength is not less than 160MPa, and a post-weld yield strength is not less than 55MPa. Yet the tensile strength of the traditional 3003 aluminum alloy is 145~195MPa, yield strength is not less than 115MPa, and the yield strength after welding is not less than 35MPa.
Haomei Aluminum is an experienced aluminum alloy manufacturer, providing rich kinds of aluminum strips for different applications. Welcome to leave message below to inquire what you need. 

Original source: http://www.aluminumstrip24.com/news/aluminum-strip-for-fin-stock.html

The Surface Quality of Aluminum Strip for Transformer

Aluminum strip for transformer is mainly used in large transformers , solar energy and power industry. The common alloys are 1050, 1060,1070 and 1350 aluminum strips with O temper. The thickness is within 0.2-3mm.

The surface quality of the aluminum strip for transformer winding:

1. The edge of aluminum strip is neat and clean, and free of burs, cracked edges, scratches,those defects.

2. The surface of the aluminum strips are flat.

3. The surface of the aluminum strips is clean, without corrosion marks, oil marks, wrinkles, seams, scratches, bright and dark lines, rubber roller marks, vibration marks, twills, etc.

4. There are no bright spots, roller marks, wheel marks and black lines on the surface of aluminum strip.

5. The surface of the finished aluminum strip is free of yellow oil spots, oil sticking, blistering and tearing phenomena formed by the burning of lubricating oil.

6. Resistivity is less than or equal to 0.028.

7. After chamfering process, the edge of aluminum strip is of round corner and zero burrs.

How to Package Aluminum Fin Stock

There are two packaging methods: jumbo roll packaging and wooden box packaging.

Jumbo roll packaging: The size of the large roll are determined by the width and length customized by the customer.

Wooden box packaging: The general size of the wooden box is 1.4m*1.3m*0.8m. The customer's requirements for aluminum strip width and roll diameter are the deciding factors for the size of the wooden box.

Original source: https://www.hm-alu.com/a/the-surface-quality-of-aluminum-strip-for-transformer.html