Corten-A这种耐候性钢材（weathering steel）,系在普通钢内加入少许铜、铬、磷、等元素，并经特殊处理制成，其耐候耐腐蚀性能，较普通钢料高出三至八倍。
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耐候性钢材应谨慎使用，因为表面机械磨损经常会大幅度降低其抗腐蚀能力。
Weathering steels should be used with caution as their resistance to corrosion is often significantly reduced by mechanical wear att he surface.
耐候性钢材以其耐腐蚀性能和全寿命成本经济性在欧美、日本等发达国家广泛应用于桥梁工程。
The weathering steel has been widely applied to bridges in the developed countries in Europe, America and in Japan owing to its good corrosion resistance behavior and life-cycle costing.
此款产品为全钢结构普通钢材处理成型：经酸洗表面喷户外粉末涂料，耐候性久；（表面颜色可供选择）
Material: steel Normal steel material , washed by hydrochloric acid. long time for using without fading ( options for color)
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