Businesses often ask whether a steel bracket is better or an aluminum bracket. In response to this problem, the author here briefly analyzes the advantages and disadvantages of steel and aluminum. Under the same conditions, the deformation of aluminum alloy profile is 2.9 times that of steel, and its weight is 35% of steel. Under the same weight, the cost of aluminum profile is 3 times that of steel. Therefore, the cost of steel is better than aluminum alloy profiles in areas with strong winds and large spans.
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