Aluminum strip for transformer is the key raw material for manufacturing transformer winding. It is the strip obtained by machine rolling of aluminium ingot. According to different grades, specifications and states, it can be divided into different models for different products. It is the key material of transformer winding, and it is industrial pure aluminium, so it has high and strict requirements for many technical indicators such as conductivity of aluminium strip, foil, burr curling, side bending and surface quality.
As an excellent material for dry transformers, aluminum strip for transformer has advantages of small volume, light weight, good insulation performance, flame retardant, pollution-free, small partial discharge, moisture resistance, stable and reliable operation, low noise, low maintenance cost and so on. It is widely used in transformers for high-rise buildings, underground facilities, commercial centers, residential areas, hotels and hotels, and coastal wet areas.
Regular alloys for aluminum strip for transformer include 1060, 1050, 1070 and 1350. The temper is O, which means soft state. 1060 aluminum strip for transformer is usually made of high quality pure aluminium 1060. Its conductivity is higher than that of iron, and its quality and cost are lower than that of copper. High quality 1060 aluminium strip with smooth surface and no burr is the key raw material for manufacturing transformer winding. Its aluminium content is over 99.6%. It has incomparable conductivity of other series of aluminium strips. The conductivity and thermal conductivity of aluminium are only lower than that of copper. Because the price of copper itself is much higher than that of aluminium, the most commonly used material in transformer strip is aluminium strip.