5 Transformer Aluminum Strips and How to Choose

Updated : Apr. 06, 2023
Table of Contents
  1. Common Alloys for Transformer Aluminum Strip
  2. 5 Transformer Aluminum Strip of Conductivity
  3. Transformer Aluminum Strips Mechanical Performance
  4. 5 Transformer Aluminum Strips How to Choose
    1. Applications
    2. Electrical Conductivity
    3. Strength and Toughness
    4. Corrosion Resistance
    5. Price

Transformer aluminum strip is one of the indispensable key materials in the manufacture of transformers. Aluminum is widely used in the fields of electricity, electronics and communications due to its excellent properties such as electrical conductivity, thermal conductivity, corrosion resistance and low density. Transformer manufacturing.

Transformer aluminum strip

In the manufacture of transformers, aluminum strip is often rolled and drawn multiple times to achieve the desired dimensions and mechanical properties.

Good quality transformer aluminum strip :

  • Has high electrical and thermal conductivity
  • Has good surface flatness and finish

The commonly used transformer aluminum strips are 1 series aluminum alloys, among which the most common ones are 1050, 1060, 1070 and other aluminum alloys for making transformer aluminum strips. These aluminum alloys usually have high purity and low impurities to ensure the stability of their electrical and mechanical properties.

Common Alloys for Transformer Aluminum Strip

Alloy Type Alloy Number Aluminum Content Main Performance Characteristics
Pure aluminum A1050, A1060 >99% Good conductivity, low mechanical strength
1xxx series aluminum alloy A1100, A1235 >99% Good conductivity, good formability
3xxx series aluminum alloy A3003, A3105 90%-95% Good corrosion resistance, good formability
5xxx series aluminum alloy A5052, A5083 >95% High strength, good corrosion resistance

5 Transformer Aluminum Strip of Conductivity

Series 1 aluminum alloys refer to aluminum alloys containing at least 99% aluminum, such as A1050, A1060, A1070, A1100, A1235, etc. These alloys have high electrical conductivity, good formability, and relatively low price, so they are widely used in transformer manufacturing.

A1050, A1060, A1070 aluminum strips : suitable for manufacturing small and medium power transformers with high requirements, such as small power transformers and chargers in electronic products.

A1100, A1235 aluminum strips : suitable for manufacturing transformers with general power, such as TV sets, stereos, air conditioners, etc. in household appliances.

High Conductivity Transformer Aluminum Strip

Transformer Aluminum Strips Mechanical Performance

Alloy Yield Strength (MPa)
1050 Transformer Aluminum Strip 45
1060 Transformer Aluminum Strip 55
1070 Transformer Aluminum Strip 60
1100 Transformer Aluminum Strip 75
1235 Transformer Aluminum Strip 60
Alloy Tensile Strength (MPa)
1050 Transformer Aluminum Strip 65
1060 Transformer Aluminum Strip 64
1070 Transformer Aluminum Strip 69
1100 Transformer Aluminum Strip 85
1235 Transformer Aluminum Strip 90
Alloy Elongation Rate (%)
1050 Transformer Aluminum Strip 22
1060 Transformer Aluminum Strip 25
1070 Transformer Aluminum Strip 20
1100 Transformer Aluminum Strip 5
1235 Transformer Aluminum Strip 10

5 Transformer Aluminum Strips How to Choose

The selection of specific 1-series aluminum strips should be comprehensively considered according to actual needs, and attention should be paid to factors such as material purity and surface treatment to ensure the performance and quality of the transformer.

Selecting transformer aluminum strip needs to consider many factors, such as application, electrical conductivity, strength and toughness, corrosion resistance and price, etc. In practical applications, it is necessary to select the most suitable material based on comprehensive consideration of specific application requirements and material properties.

Applications

Different types of transformer strips are suitable for different applications, such as coil materials for low-voltage transformers and oil-immersed transformers. When selecting a transformer aluminum strip, it is necessary to clarify its use scenario to ensure that the material can meet the application requirements.

1050 is mainly used for transformers with general requirements, such as generators, motors, etc.

1060, 1070 and 1100 are suitable for transformers with special requirements, such as high-precision, high-sensitivity, high-frequency transformers. 1235 is usually used for low-voltage electrical appliances.

Electrical Conductivity

Different types of transformer aluminum strips have different conductivity properties, and materials with high conductivity can reduce the resistance loss of the coil and improve the efficiency of the transformer. Therefore, when selecting transformer aluminum strips, it is necessary to select materials with appropriate conductivity according to specific application requirements.

1070 has the best conductivity

Strength and Toughness

The transformer aluminum strip needs to have sufficient strength and toughness in use to ensure that it can withstand the current and temperature changes inside the transformer. The strength and toughness of the material can be regulated by controlling its work hardening degree and heat treatment method. Therefore, when selecting the transformer aluminum strip, it is necessary to select the appropriate material according to the specific application requirements.

1070 has the highest intensity, followed by 1060, 1100, 1235 and 1050. The toughest is 1050, followed by 1060, 1100, 1235 and 1070.

Corrosion Resistance

Transformer aluminum strips need to have good corrosion resistance to avoid corrosion in use and lead to transformer performance degradation. The corrosion resistance of the material can be improved by selecting the appropriate alloy composition and surface treatment, so when selecting the transformer aluminum strip, its corrosion resistance needs to be considered.

1050, 1060, 1070, 1100 and 1235 have good corrosion resistance in general environment, but in some special environments, such as strong acid, strong alkali and other environments, their corrosion resistance may be different.

Price

Different types of transformer aluminum strips have different prices, and it is necessary to select materials with reasonable prices on the premise of meeting the application requirements. When selecting transformer aluminum strip, it is necessary to comprehensively consider its performance and price to achieve the goal of optimal cost performance.

The lowest price is 1050, followed by 1060, 1100, 1235 and 1070.

When selecting transformer aluminum strip, it is necessary to select the most suitable material based on comprehensive consideration of specific application requirements and material properties. At the same time, it is also necessary to pay attention to the source and quality of materials to ensure that they meet relevant standards and requirements, so as to ensure the safe and stable operation of the transformer.

Related Topics: Transformer Aluminum 1060 1050 1100

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