aluminum steel bimetal coil strip

May 29, 2023

The perfect combination of aluminum steel bimetal coil strip performance
Corrosion resistance
Since the aluminum layer provides cathodic protection for the steel, the aluminum steel bimetal coil strip exhibits very good corrosion resistance. This can reduce or slow down corrosion, especially in the trimmed part of the strip.
The protective performance of the strip surface is particularly ficant in salt spray corrosion tests: for example, a 50-micron aluminum layer can withstand at least 400 hours of corrosion testing. In fact, in this test, only after more than 1000 hours, rust was noticeable. Moreover, the high temperature up to 600°C has no effect on the appearance of aluminum steel bimetal coil strip or its moisture and corrosion resistance, and no discoloration or scaling occurs.

Scale heat resistance

The aluminum steel bimetal coil strip can be easily cleaned: heating the aluminum steel bimetal coil strip to a temperature of over 600°C, the material will produce a dark gray surface, which provides excellent anti-scaling performance at temperatures up to 850°C. This behavior is the result of the so-called composite aluminum and steel layer forming a metal bond. This characteristic opens up many additional application areas for this material.

Decorative appearance: dull or rolled
Aluminum steel bimetal coil strip can carry out different surface processing, and it also provides a decorative appearance for different applications. Its surface can be used exclusively for painting, coating or glazing. It can be done according to the same procedure as for ordinary aluminum.

advantage
 Low-cost steel core combined with surface aluminum
Excellent formability compared to pure aluminum
 Steel core can give aluminum ferromagnetism
Excellent heat reflection characteristics
 The homogeneous layer has high corrosion resistance after forming and processing,

Aluminum steel bimetal coil strip is used in multi-layer metal gaskets, heat shields, engine brackets, hard pipe and hose clamps, quick couplings and power station cooling pipes. It is also used in lighting and household appliances industries (in microwave ovens). Reflector plate) and in the heater (reflector plate of gas heater).

aluminum steel bimetal coil strip

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