Zinc Aluminum-magnesium Coated Coil

Product Details:

1. What is the zinc aluminum-magnesium coated steel coil?

The zinc-aluminum-magnesium steel coil is a new type of high-corrosion-resistant coated steel coil. proportions are slightly different).

Due to the composite effect of these added elements, its corrosion-inhibiting effect is further enhanced. In addition, it has excellent processing performance under severe conditions (stretching, stamping, bending, paint welding, etc.), and the coating has high hardness and excellent damage resistance. Compared with ordinary galvanized and galvalume products, it has better corrosion resistance. Due to this super corrosion resistance, it can be used instead of stainless steel or aluminum in some fields. The corrosion-resistant self-healing function of the cut section is a major feature of the product.

2. What are the uses of zinc-aluminum-magnesium steel coils?

Zinc-aluminum-magnesium products are widely used, mainly used in civil construction (keel ceiling, perforated plate, cable tray), agriculture and livestock (steel structure of agricultural feeding shed, steel structure accessories, greenhouse, feeding equipment), railway road, power communication (transmission Power distribution high and low voltage switchgear, box-type substation outer body), photovoltaic support, automobile motor, industrial refrigeration (cooling tower, large outdoor industrial air conditioner) and other industries, the application field is very wide.

3. Why are there occasional black spots on the surface of zinc-aluminum-magnesium steel coils?

Zinc-aluminum-magnesium, because of the ternary alloy, and the magnesium ions are relatively active, so the black spots on the surface of zinc, aluminum, and magnesium products are common, objective, and unpredictable.

Mass production can relatively avoid black spots.

In the process of small batch production, it will be relatively obvious. The main reason is that the alloy zinc ingots have not been given enough time to react during the heating process.

This problem exists in both domestic and international galvanized aluminum-magnesium products. Whether the black spots are obvious is directly related to the comparison of the brightness of the boards of various manufacturers.

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