Corten A weathering steel is a weathering steel that is more suitable for load-bearing structures. Corten A is made from blast furnace slab castings and hot rolled. Corten A steel is made of high quality austenite with special alloys. Corten A steel has excellent mechanical properties, even at high temperatures and self-passivation properties. Exposure to corrosive media in the urban atmosphere. Compared to ordinary steel, this property allows Corten A steel to face corrosion for a longer period of time even if it is not painted.
Hot forming of Corten A steel plate: usually 800 ° C to 1050 ° C in a temperature range. If the Corten A steel plate needs to be carried out at different temperatures, it is recommended to perform a normalizing treatment at the end.
Drawing: Corten A steel plate has excellent mechanical properties, but it can also be pulled moderately.
Welding: Corten A weather-resistant steel sheets can be easily welded, using common procedures for mild steel sheets (points, TIG, MIG, MAG, electrodes, etc.). However, it is recommended to avoid tempering in the heated zone, thereby limiting the ratio of linear energy to thickness. Considering the chemical composition, it can be said that the Corten A weathering steel is not affected by cold cracking. Welded structures made with Corten A steel plates generally do not require thermal stress relief.
Flame cutting: Corten A steel plates are usually cut in the usual way. In general, no preheating is required, but the temperature at which the Corten A steel plate is operated should be avoided to be less than 10 °C.
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